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  • 1.
    Abdulraheem, Salem
    et al.
    Malmö universitet, Odontologiska fakulteten (OD). Ministry of Health, Kuwait.
    Paulsson, Liselotte
    Malmö universitet, Odontologiska fakulteten (OD).
    Petrén, Sofia
    Malmö universitet, Odontologiska fakulteten (OD).
    Sonesson, Mikael
    Malmö universitet, Odontologiska fakulteten (OD).
    Do fixed orthodontic appliances cause halitosis? A systematic review2019Ingår i: BMC Oral Health, E-ISSN 1472-6831, Vol. 19, nr 1, artikel-id 72Artikel, forskningsöversikt (Refereegranskat)
    Abstract [en]

    Objective: To examine: (I) the current evidence of the impact of fixed orthodontic appliances on the development of halitosis in patients undergoing orthodontic treatment, and (II) the influence of different orthodontic bracket systems on halitosis. Material and methods: Three electronic databases (PubMed, Scopus, and Cochrane Library) were searched prior to March 15, 2018. The review was systematically conducted and reported according to the Cochrane Handbook and the PRISMA statement. Only Randomised Clinical Trials (RCTs) were considered. Selected full-text papers were independently assessed by four investigators and any disagreements were resolved by consensus. The Cochrane Handbook was used to grade the risk of bias and the quality of evidence was rated according to GRADE. Results: Out of 363 identified studies, three RCTs on halitosis and fixed orthodontic appliances met the inclusion criteria. The risk of bias in the three studies was rated as high and the quality of evidence was rated as very low. Conclusions/clinical implications: There is a lack of scientific evidence that subjects with fixed orthodontic appliances develop halitosis during treatment. Additional well-conducted RCTs with extended periods of assessment are needed as well as consensus concerning cut-off values for the diagnosis of halitosis.

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  • 2.
    Al-Okshi, Ayman
    et al.
    Malmö universitet, Odontologiska fakulteten (OD). Department of Oral Medicine and Radiology, Faculty of Dentistry, Sebha University, Sebha, Libyan Arab Jamahiriya.
    Paulsson, Liselotte
    Malmö universitet, Odontologiska fakulteten (OD).
    Rohlin, Madeleine
    Malmö universitet, Odontologiska fakulteten (OD).
    Ebrahim, Eman
    Malmö universitet, Odontologiska fakulteten (OD). Department of Orthodontics, Faculty of Dentistry, Sebha University, Sebha, Libyan Arab Jamahiriya.
    Lindh, Christina
    Malmö universitet, Odontologiska fakulteten (OD).
    Measurability and reliability of assessments of root length and marginal bone level in cone beam CT and intraoral radiography: a study of adolescents2019Ingår i: Dento-Maxillo-Facial Radiology, ISSN 0250-832X, E-ISSN 1476-542X, Vol. 48, nr 5, s. 1-9, artikel-id 20180368Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Objectives: To evaluate measurability and reliability of measurements of root length and marginal bone level in CBCT, periapical (PA) and bitewing (BW) radiographs. Methods: CBCT of both jaws, PA of maxillary incisors and posterior BW radiographs of 10 adolescents (mean age 13.4) were selected. The radiographs comprised part of the baseline examinations of a trial of orthodontic treatment. Six raters assessed measurability and measured root length and marginal bone level. Three raters repeated their assessments. Measurability was expressed as frequency of interpretable sites and reliability as intraclass correlation coefficient (ICC). Results: Measurability was 100 % in CBCT and 95 % in PA of maxillary incisors for root length measurements. For marginal bone level, measurability was 100 % in CBCT, 76 % in PA and 86 % in posterior BW. Mean ICC for interrater reliability for root length measurements in CBCT was 0.88 (range 0.27-0.96 among different teeth) and 0.69 in PA of maxillary incisors. For marginal bone level measurements, mean ICC was 0.4 in CBCT, 0.38 in PA of maxillary incisors and 0.4 in posterior BW. Intrarater reliability varied among methods, root length or marginal bone level and among raters, except for root length measurements in CBCT, which presented high reliability (above 0.8) for all raters. Conclusions: As measurability and reliability were high for root length measurements in CBCT, this may be the method of choice for scientific analyses in orthodontics. For clinical praxis, we recommend PA following the "as low as diagnostically acceptable" principle, as clinical decisions seem to be influenced only when severe root resorption occurs.

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  • 3.
    Bondemark, Lars
    et al.
    Malmö universitet, Odontologiska fakulteten (OD).
    Kallunki, Jenny
    Malmö universitet, Odontologiska fakulteten (OD).
    Paulsson, Liselotte
    Malmö universitet, Odontologiska fakulteten (OD).
    An updated systematic review regarding early Class II malocclusion correction2019Ingår i: Journal of the World Federation of Orthodontists, E-ISSN 2212-4438, Vol. 8, nr 3, s. 89-94Artikel, forskningsöversikt (Refereegranskat)
    Abstract [en]

    Background and aim: Class II malocclusion is one of the most common malocclusions in young children and a great deal of research on this topic has been undertaken. Despite this, there are still knowledge gaps on whether it is effective to treat these malocclusions early or what type of treatment should be performed. The aim of this article was to systematically review and update the quality of evidence for various treatment modalities considering Class II malocclusion correction before 10 years of age and with a focus on improvement of dental and skeletal relationships, soft tissue profile, relation to temporomandibular disorder (TMD), incidence on dental trauma, cost-effectiveness, and quality of life. Material and methods: Four databases were searched, from January 1960 to April 2019. Inclusion criteria were randomized or controlled trials reporting short- or long-term effects on dental or basal relationships, soft tissue profile, associations to TMD, quality of life, incidence of trauma, or costs. The quality of evidence was scored according to Grading of Recommendations Assessment Development and Evaluation. Results: A total of 300 publications were identified and 23 satisfied the inclusion criteria for full evaluation. The quality of evidence was high in 5 trials, moderate in 3, and low in 15. Conclusions: From the short- term perspective, there is a high level of evidence that early treatment reduces overjet and improves the anterior-posterior skeletal relationship. There is insufficient evidence about whether early treatment can reduce the incidence of trauma, is cost-effective, provides improved soft tissue profile, improves oral healtherelated quality of life, or possesses a risk of developing TMD. (C) 2019 World Federation of Orthodontists.

  • 4.
    Brogårdh-Roth, Susanne
    et al.
    Malmö universitet, Odontologiska fakulteten (OD).
    Paulsson, Liselotte
    Malmö universitet, Odontologiska fakulteten (OD).
    För tidigt född: hur påverkar det oral hälsa?2019Ingår i: Aktuel Nordisk Odontologi, ISSN 1902-3545, Vol. 44, nr 1, s. 198-211Artikel i tidskrift (Refereegranskat)
    Abstract [sv]

    Allt fler för tidigt födda barn överlever tack vare en alltmer utvecklad och framgångsrik intensivvård. Tandvården möter därmed en ny grupp barn som är födda 3 till 4 månader för tidigt. För tidig födsel kan ge hälsoproblem, kognitiva och motoriska svårigheter. Det finns idag kunskap om konsekvenser under småbarnsåren och uppväxtperioden men betydligt mindre kunskap om vad som händer i vuxen ålder. Hittills har studier i tandvården visat att för tidigt födda barn klarar sig väl men framförallt de mycket och extremt för tidigt födda barnen kan behöva uppmärksammas. Dels kan det förekomma problem av psykologisk art och dels avvikelser i tandutveckling såsom mindre tandstorlek, förseningar i tandmognad och ökad förekomst av emaljstörningar. De för tidigt födda barnen kan även ha fler bettavvikelser och ökat behov av tandreglering. Därför behöver tandvården ge dessa barn och ungdomar särskilt omhändertagande för att gruppen ska kunna försäkra sig om en god oral hälsa.

  • 5.
    Brogårdh-Roth, Susanne
    et al.
    Malmö universitet, Odontologiska fakulteten (OD).
    Paulsson, Liselotte
    Malmö universitet, Odontologiska fakulteten (OD).
    Larsson, Pernilla
    Malmö universitet, Odontologiska fakulteten (OD). Folktandvården Östergötland.
    Ekberg, EwaCarin
    Malmö universitet, Odontologiska fakulteten (OD).
    Do preterm-born adolescents have a poorer oral health-related quality of life?2021Ingår i: BMC Oral Health, E-ISSN 1472-6831, Vol. 21, nr 1, artikel-id 440Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    BACKGROUND: To evaluate oral health-related quality of life (OHRQoL) over a period of five years using the Oral Health Impact Profile (OHIP-14) questionnaire in a population of Swedish adolescents born preterm and full term.

    METHODS: In a longitudinal study of adolescents aged 12-14 and 17-19, changes over time in OHRQoL were measured by using OHIP-14. The OHIP-14 score, self-reported chronic illness, temporomandibular disorder (TMD pain) and subjective orthodontic treatment need were compared between 98 extremely and very preterm born (< 32 gestational week) and 93 full-term controls (≥ 37 gestational week) at two ages. The chi-square test was used for comparisons within the extremely-, very-, and full-term control groups, and to contrast the differences of mean scores of OHIP-14, the ANOVA test was used for comparisons within the study groups of extremely preterm, very preterm and full term-born adolescents.

    RESULTS: All adolescents reported a good self-perceived OHRQoL. No significant differences in the comparisons of the total mean scores were revealed between the groups, between gender or in domain-specific scores over the 5-year period. Very preterm adolescents with reported chronic illness at 12-14 years of age showed significantly higher mean scores of OHIP-14 compared with those without chronic illness (p = 0.015). At age 17-19, significantly higher mean scores of OHIP-14 were reported by very preterm adolescents with TMD pain compared to those without TMD pain (p = 0.024). Significantly higher mean scores of OHIP-14 were found among the extremely preterm (p = 0.011) and very preterm born adolescents (p = 0.031) with a subjective need of orthodontic treatment compared with those without orthodontic treatment need.

    CONCLUSIONS: Poor OHRQoL measured with OHIP-14 in very preterm adolescents aged 12-14 was related to chronic illness and aged 17-19 to TMD pain. In addition, extremely and very preterm-born adolescents with subjective orthodontic treatment need at 17-19 years of age also reported poor OHRQoL. To improve the dentist-patient relationship and achieve more successful treatment results, it is important for dental clinicians to understand the impact that chronic illness, TMD pain and orthodontic treatment need has on OHRQoL in preterm-born adolescents.

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  • 6.
    de Oliveira Cortines, Andrea Araujo
    et al.
    University Hospital, Universidade Federal de Goiás, Goiânia, GO, Brazil.
    Correa-Faria, Patricia
    Programa de Pós-Graduação em Odontologia, Universidade Federal de Goiás, Goiânia, GO, Brazil.
    Paulsson, Liselotte
    Malmö universitet, Odontologiska fakulteten (OD).
    Costa, Paulo Sucasas
    Faculty of Medicine, Universidade Federal de Goiás, Goiânia, GO, Brazil.
    Costa, Luciane Rezende
    Faculty of Dentistry, Universidade Federal de Goiás, Goiânia, GO, Brazil.
    Developmental defects of enamel in the deciduous incisors of infants born preterm: prospective cohort2018Ingår i: Oral Diseases, ISSN 1354-523X, E-ISSN 1601-0825, Vol. 25, nr 2, s. 543-549Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    OBJECTIVE: Developmental defects of enamel (DDE) in preterm infants still require clarification and may favour dental caries, lower food intake, and greater difficulty with weight-height gain. We evaluated factors associated with DDE in preterm infants. SUBJECTS AND METHODS: In this prospective cohort study, we monitored 54 prematurely born infants from birth to 24 months of age. Trained and calibrated dentists examined the oral cavity of these children to identify and categorize DDE. Information on perinatal variables was collected from the infants' medical records and interviews with their mothers. The data were analysed using Student's t test, a chi-squared test, and Pearson's product moment correlation coefficient. RESULTS: A total of 46.3% of the 54 children presented DDE, which was observed more frequently in the left hemiarch in children born extremely (<28 weeks of gestation) or very preterm (28 to <32 weeks) (RR=2.2; 95% CI 1.3-3.6), with very low birth weight (<1500 g) (RR=2.0; 95% CI 1.1-3.5), who were admitted to the neonatal intensive care unit (RR=1.3; 95% CI 1.0-1.7), and who were intubated (RR=1.6; 95% CI 1.1-2.2). CONCLUSIONS: The high incidence of incisor enamel defects, particularly on the left side, was related to higher risk prematurity and to local trauma from intubation. This article is protected by copyright. All rights reserved.

  • 7.
    Ebrahim, Eman
    et al.
    Malmö högskola, Odontologiska fakulteten (OD).
    Paulsson-Björnsson, Liselotte
    Malmö högskola, Odontologiska fakulteten (OD).
    The impact of premature birth on the permanent tooth size of incisors and first molars2017Ingår i: European Journal of Orthodontics, ISSN 0141-5387, E-ISSN 1460-2210, Vol. 39, nr 6, s. 622-627Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Background: Scientific evidence is insufficient to answer the question of whether premature birth causes altered tooth-crown dimensions. Objective: To evaluate permanent tooth-crown dimensions in prematurely born children and to compare the findings with full-term born controls. Subjects and Methods: Preterm children of 8-10 years of age were selected from the Swedish Medical Birth Register. One group consisted of 36 extremely preterm children (born before the 29th gestational week); the other group included 37 very preterm children (born during gestational weeks 29-32). The preterm children were compared with 41 matched full-term born children. Clinical examination and study casts were performed on all children. Permanent maxillary and mandibular first molars, central incisors, and laterals were measured with a digital sliding caliper on study casts. The tooth-crowns were measured both mesio-distal and bucco-lingual. Results: Both the mesio-distal and bucco-lingual measurements in the maxillary and mandibular first molars had a significantly smaller width in the extremely preterm group compared with the full-term group. The central incisors and lower laterals were significantly smaller mesio-distally in the extremely preterm group compared to the full-term group. A reduction in tooth size of 4-9% was found between the extremely preterm group and the full-term group for both boys and girls. The maxillary first molars and mandibular left first molar were also smaller mesio-distally in the extremely preterm group compared to the very preterm group. The results indicate that the more preterm the birth, the smaller the tooth-crown dimensions. Independent of gestational age girls had generally smaller teeth than boys. Conclusion: Premature birth is associated with reduced tooth-crown dimensions of permanent incisors and first molars.

  • 8. Faxén Sepanian, Varoojan
    et al.
    Paulsson-Björnsson, Liselotte
    Malmö högskola, Odontologiska fakulteten (OD).
    Kjellberg, Heidrun
    A long-term controlled follow-up study of objective treatment need on young adults treated with functional appliances2014Ingår i: Swedish Dental Journal, ISSN 0347-9994, Vol. 38, nr 1, s. 39-46Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    The aims of this study were to 1) evaluate the objective success rate of Class II malocclusion treatment with functional appliances five years after completion of treatment and 2) to compare the remaining objective treatment need with an untreated control group. Records of all listed patients between 18-20 years (n=1054) treated in a general practice were reviewed for the purpose of finding treatments with removable functional appliances. Among all subjects (n=61) who previously had been treated, 58 accepted to participate in the study.The test group was matched with an orthodontically untreated group with no history of objective treatment need. Clinical, examination was performed and study casts and photos were taken from both groups. The objective treatment need was evaluated through clinical examination and study cast analysis with weighted Peer Assessment Rating index (wPAR). Twenty patients,.(34.5 %) (mean wPAR 13.8), succeeded with the functional appliance treatment.The wPAR score (mean 15.o) of the entire test group was significantly higher than the one of the control group (mean 7.3).The group that was treated exclusively with functional appliances had a mean wPAR score of 17.4. Eighteen patients (31.0 %) who received retreatment with fixed appliances had a slightly higher mean wPAR (8.6) than the control group. Treatments with functional appliances in a general practice showed a high failure rate and a remaining treatment need. It is the treating dentist's responsibility to motivate the patient to cooperate to the treatment, because as it previously has been shown the treatment with functional appliances is a well-functioning treatment alternative with the cooperation of the patient being sufficient. It is also of importance, already before starting treatment, to estimate the child's cooperation ability and to avoid treatment with removable appliances if the child or parents are reluctant about such a treatment.

  • 9. Germa, Alice
    et al.
    Marret, Stéphane
    Thiriez, Gérard
    Rousseau, Sylvaine
    Hascoët, Jean-Michel
    Paulsson-Björnsson, Liselotte
    Malmö högskola, Odontologiska fakulteten (OD).
    Söderfeldt, Björn
    Malmö högskola, Odontologiska fakulteten (OD).
    Ancel, Pierre-Yves
    Larroque, Béatrice
    Kaminski, Monique
    Nabet, Cathy
    Neonatal factors associated with alteration of palatal morphology in very preterm children: The EPIPAGE cohort study2012Ingår i: Early Human Development, ISSN 0378-3782, E-ISSN 1872-6232, Vol. 88, nr 6, s. 413-420Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Background: Altered palatal morphology has been observed among some preterm children, with possible consequences on chewing, speaking and esthetics, but determinants remain unknown. Aim: To explore the role of neonatal characteristics and neuromotor dysfunction in alteration of palatal morphology at 5 years of age in very preterm children. Study design: Prospective population-based cohort study. Subjects: 1711 children born between 22 and 32 weeks of gestation in 1997 or born between 22 and 26 weeks of gestation in 1998 were included in the study. They all had a medical examination at 5 years of age. Outcome measures: Alteration of palatal morphology. Results: The prevalence of altered palatal morphology was 3.7% in the overall sample, 5.1% among boys and 2.2% among girls (adj OR: 2.52; 95%CI: 1.44–4.42). The risk for altered palatal morphology was higher for lower gestational age (adj OR: 0.85; 95%CI: 0.74–0.97 per week), small-for-gestational age children (adj OR: 2.11; 95%CI: 1.20–3.72) or children intubated for more than 28 days (adj OR: 3.16; 95%CI: 1.11–8.98). Altered palatal morphology was more common in case of cerebral palsy or moderate neuromotor dysfunction assessed at 5 years. Results were basically the same when neuromotor dysfunction was taken into account, except for intubation. Conclusion: Male sex, low gestational age, small-for-gestational age and long intubation have been identified as probable neonatal risk factors for alteration of palatal morphology at 5 years of age in very preterm children. Further studies are needed to confirm these results.

  • 10.
    Johansson, Kristina
    et al.
    Malmö universitet, Odontologiska fakulteten (OD). Department of Orthodontics, Östersund Hospital, Östersund, Sweden.
    Bokander Matilainen, Linda
    Malmö universitet, Odontologiska fakulteten (OD).
    Wiaderny, Michal
    Department of Orthodontics, Folktandvården Dalarna, Falun, Sweden.
    Berlin, Henrik
    Malmö universitet, Odontologiska fakulteten (OD).
    Klingberg, Gunilla
    Malmö universitet, Odontologiska fakulteten (OD).
    Ghiasi, Houda
    Private Orthodontic Practice, Bernhold Ortodonti, Helsingborg, Sweden.
    Brechter, Anna
    Private Orthodontic Practice, Bernhold Ortodonti, Helsingborg, Sweden.
    Paulsson, Liselotte
    Malmö universitet, Odontologiska fakulteten (OD).
    Self-reported pain during different phases of orthodontic treatment with fixed appliance: A multi-centre randomized controlled trial in adolescents with crowding2024Ingår i: Orthodontics & craniofacial research, ISSN 1601-6335, E-ISSN 1601-6343Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    OBJECTIVES: To compare self-reported pain levels across various treatment phases using passive self-ligating (Damon) and conventional (Victory) standardized fixed appliance systems.

    MATERIALS AND METHODS: Adolescents (12-17 years old) with crowding and displaced teeth, planned for non-extraction treatment, were recruited from four orthodontic clinics. They were randomized into stratified blocks (1:1 ratio) using concealed allocation to receive Damon Q™ (34 boys, 28 girls) or Victory™ (39 boys, 31 girls). Pain and analgesic intake were assessed on seven different occasions with validated self-report questionnaires using a 10-grade scale.

    RESULTS: Of the 132 patients included, six were lost to follow up. Clinically relevant mean pain scores (≥4) were registered in both groups after bonding upper and lower arches and after insertion of 0.019 × 0.025 stainless steel archwire. The highest mean scores were reported on day two after bonding the upper arch (Damon 5.96, Victory 7.18, P = .011). In both groups, at least 40% reported taking analgesics during various treatment phases. The Damon group reported a lower intake of analgesics on days one and two (P = .042 and .037) after treatment initiation. In the entire sample, boys reported significantly higher mean pain scores than girls on the second and third days after bonding (P = .008 and .026, respectively).

    CONCLUSIONS: Lower pain levels were reported from the Damon group after bonding. In general, boys reported higher pain than girls did. Clinicians and adolescents need to be aware that clinically relevant pain levels can be expected not only after bonding but also in later phases.

  • 11.
    Johansson, Kristina
    et al.
    Östersund Hospital.
    Lindh, Christina
    Malmö universitet, Odontologiska fakulteten (OD).
    Paulsson, Liselotte
    Malmö universitet, Odontologiska fakulteten (OD).
    Rohlin, Madeleine
    Malmö universitet, Odontologiska fakulteten (OD).
    A tool for assessment of risk of bias in studies of adverse effects of orthodontic treatment applied in a systematic review on external root resorption2021Ingår i: European Journal of Orthodontics, ISSN 0141-5387, E-ISSN 1460-2210, Vol. 43, nr 4, s. 457-466, artikel-id cjaa072Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    BACKGROUND AND AIMS: Systematic reviews (SRs) are considered to provide reliable estimates, but flaws in designs, methods of monitoring effects, and outcomes have the potential to bias results. There are several tools for assessing risk of bias (RoB), most of them designed for SRs of beneficial effects. To our knowledge, there is no tool that is adapted specifically to assess RoB in studies of adverse effects associated with orthodontic treatment. To address this, the aim of this study was first to introduce a tool for assessment of RoB in studies of adverse effects associated with orthodontic treatment and, second, to apply it in an SR of external root resorption (ERR) associated with orthodontic treatment with fixed appliance.

    MATERIALS AND METHODS: The approach with domains supported by signalling questions was used for the tool. Domains and signalling questions were tailored to the review questions of the SR of studies of ERR after orthodontic treatment using periapical radiography or cone beam computed tomography. Duplicate study selection, data extraction, and RoB assessment using the tool, followed by meta-analyses, were performed.

    RESULTS: Using the tool for the assessment of RoB identified shortcomings and report deficiencies of primary studies concerning the presentation of orthodontic treatment, identification of ERR, and analysis of outcomes. RoB assessment resulted in 12 of 32 studies read in full text being included. Reported severe ERR varied across studies between 2 and 14 per cent for all incisors and 10 and 29 per cent for maxillary incisors. Results of ERR related to patients' age and sex, orthodontic diagnosis, and treatment were contradictory. Quality of evidence evaluated by GRADE was low due to study limitations, imprecision, and inconsistency of study results.

    CONCLUSIONS: As the tool and its application highlight important issues to consider when planning, conducting, and reporting research, the tool may have a valuable role for quality enhancement of future studies of outcomes of orthodontic treatment. The tool may also serve for authors when planning SRs. Our SR identified a need for studies that use rigorous methodology and transparent reporting.

    REGISTRATION: PROSPERO (ID = CRD42018084725).

  • 12.
    Kallunki, Jenny
    et al.
    The Center for Orthodontics and Pedodontics, County Council Östergötland, Norrköping, Sweden.
    Bondemark, Lars
    Malmö universitet, Odontologiska fakulteten (OD).
    Paulsson, Liselotte
    Malmö universitet, Odontologiska fakulteten (OD).
    Comparisons of costs and treatment effects-an RCT on headgear activator treatment of excessive overjet in the mixed and late mixed dentition2022Ingår i: European Journal of Orthodontics, ISSN 0141-5387, E-ISSN 1460-2210, Vol. 44, nr 1, s. 86-94, artikel-id cjab026Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    OBJECTIVES: To compare the costs and treatment effects of headgear activator treatment of Class II malocclusion with excessive overjet between treatments started in the mixed (MD) and late mixed dentition (LMD).

    TRIAL DESIGN: Two-arm parallel-group single-centre randomized controlled trial (RCT).

    MATERIAL AND METHODS: A total of 56 children presenting Class II malocclusion with excessive overjet were assessed and invited to an RCT designed as intention-to-treat. The children were randomized, by an independent person not involved in the trial into two groups, treatment with headgear activator in the MD starting at the age of 9 or to treatment with a headgear activator in LMD, starting at the age of 11. The primary outcome measure was to compare the treatment costs between the two groups. Societal costs (the sum of direct and indirect costs) were calculated for successful treatments only and when unsuccessful treatments were included. Secondary outcomes were comparisons of oral health-related quality of life (OHRQoL), dental and skeletal treatment effects, lip closure, and trauma incidence. Data collections were performed before and after treatment, corresponding to a treatment period of 2 years. Blinding was accomplished when assessing outcomes.

    RESULTS: No group differences in costs were found of successful treatments or when unsuccessful treatments were included. The most pronounced treatment effects in both groups were the reduction of overjet and improved molar relation. Treatment started in MD or in LMD were equal and without significant differences regarding effects on OHRQoL, skeletal effects, lip closure, and incidence of trauma.

    HARMS: No harm was observed, but 8 of 30 children (27%) in the MD and 6 of 21 children (29%) in the LMD group showed unsuccessful results.

    LIMITATIONS: Costs depend on local factors and can thereby not be directly transferred to other settings. It was a single-centre trial and can thus be less generalizable.

    CONCLUSIONS: Regarding costs and treatment effects, there is no difference if headgear activator treatment of excessive overjet starts in the MD or LMD.

    CLINICAL TRIAL REGISTRATION: NCT04508322.

  • 13.
    Kallunki, Jenny
    et al.
    County Council Östergötland, Norrköping, Sweden.
    Bondemark, Lars
    Malmö universitet, Odontologiska fakulteten (OD).
    Paulsson, Liselotte
    Malmö universitet, Odontologiska fakulteten (OD).
    Early headgear activator treatment of Class II malocclusion with excessive overjet: a randomized controlled trial2021Ingår i: European Journal of Orthodontics, ISSN 0141-5387, E-ISSN 1460-2210, Vol. 43, nr 6, s. 639-647, artikel-id cjaa073Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    OBJECTIVES: To compare early headgear activator treatment of Class II malocclusion with excessive overjet with untreated control subjects in terms of the primary outcomes overjet and overbite as well as the effect regarding oral-health-related quality of life (OHRQoL), lip closure, incidence of trauma, and skeletal changes.

    TRIAL DESIGN: Two-arm parallel group single-centre randomized controlled trial.

    MATERIAL AND METHODS: A total of 60 children (mean age 9.5 years) presenting a Class II malocclusion with excessive overjet were recruited. The trial was designed as intention-to-treat and the participants randomized by an independent person not involved in the trial to either early treatment with headgear activator or to an untreated control group (UG). Dental and skeletal variables as well as registrations of OHRQoL, lip closure, and incidence of trauma were recorded. For the treatment group, data were registered at baseline before treatment and when treatment was finished, corresponding to approximately 2 years. For the UG, registrations were made at baseline and at 11 years of age. Observers were blinded to treatment allocation when assessing outcomes.

    RESULTS: Early treatment with headgear activator significantly decreased overjet and improved molar relationship when compared with untreated controls. The effects were primarily due to dentoalveolar changes. Early treatment had no evident effect regarding OHRQoL, lip closure, or incidence of trauma. Lack of cooperation resulted in unsuccessful treatments for 27% of the patients.

    LIMITATIONS: The trial was a single-centre trial and can thus be less generalizable.

    CONCLUSIONS: The main treatment effect of early headgear activator treatment of Class II malocclusion with excessive overjet is reduction of overjet.

    TRIAL REGISTRATION: NCT04508322.

  • 14.
    Kallunki, Jenny
    et al.
    County Council Of Östergötland, Linköping.
    Bondemark, Lars
    Malmö universitet, Odontologiska fakulteten (OD).
    Paulsson-Björnsson, Liselotte
    Malmö universitet, Odontologiska fakulteten (OD).
    Outcomes of Early Class II Malocclusion Treatment: A Systematic Review2018Ingår i: Journal of Dentistry: Oral Health Care & Cosmesis, ISSN 2473-6783, Vol. 3, artikel-id 009Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Aim: To undertake a systematic review of the evidence supporting early treatment (before the age of 10) of Class II malocclusion, with special reference to short and long-term outcomes: correction of overjet, dental relationships, improvement in intermaxillary relationships, soft tissue profile, associations to Temporomandibular Disorders (TMD), quality of life, incidence of trauma and cost-effectiveness. Material and methods: Four databases were searched, from January 1960 to October 2017. Inclusion criteria were randomized controlled or controlled trials reporting short or long-term effects on dental or basal relationships, soft tissue profile, associations to TMD, quality of life, incidence of trauma, or costs. The quality of evidence was scored according to GRADE. Results: 297 studies were identified and 23 satisfied the inclusion criteria for full evaluation. The quality of evidence was high in 5 studies, moderate in 3, and low in 15. There is lack of data on long-term outcomes and stability, thus all evidence is based on short-term results. There is high level of evidence that early treatment of Class II malocclusion with functional appliances reduces overjet and improves skeletal relationships, moderate evidence that headgear reduces overjet and restrains forward growth of the maxilla, but insufficient evidence to determine how early treatment influences soft tissue profile, TMD, quality of life, incidence of trauma or treatment-related costs. Conclusion: There is moderate to high evidence that in the short term, early treatment of Class II malocclusion division 1 reduces overjet and improves skeletal relationships.

    Ladda ner fulltext (pdf)
    FULLTEXT01
  • 15.
    Kallunki, Jenny
    et al.
    County Council Östergötland, Linköping, Sweden.
    Sollenius, Ola
    County Council Halland, Halmstad, Sweden.
    Paulsson, Liselotte
    Malmö universitet, Odontologiska fakulteten (OD).
    Petrén, Sofia
    Malmö universitet, Odontologiska fakulteten (OD).
    Dimberg, Lillemor
    Eastman institute, County Council Stockholm, Sweden.
    Bondemark, Lars
    Malmö universitet, Odontologiska fakulteten (OD).
    Oral health-related quality of life among children with excessive overjet or unilateral posterior crossbite with functional shift compared to children with no or mild orthodontic treatment need.2019Ingår i: European Journal of Orthodontics, ISSN 0141-5387, E-ISSN 1460-2210, Vol. 41, nr 2, s. 111-116Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Objectives: To compare Oral health-related quality of life (OHRQoL) among 9-year-old children with excessive overjet (EO) to children with unilateral posterior crossbite (UPC) and children with normal occlusion (NO). Materials and methods: The study sample sourced from 19 Public Dental Service Clinics in Sweden. Reported are baseline data originating from two controlled trials, one regarding UPC and the other focusing on EO. The NO children derive from the same trials. The UPC group comprised 93 children (45 boys and 48 girls), the EO group 71 children (36 boys and 35 girls), and the NO group 65 children (32 boys and 33 girls). In conjunction to a clinical examination, all children completed the Child Perceptions Questionnaire (CPQ8-10) for evaluation of OHRQoL. The CPQ8-10 comprises 25 questions grouped into four domains: oral symptoms, functional limitations, emotional, and social well-being. Validated questions about pain in the jaws and face were also included. Results: The total mean CPQ score was 5.1 for the UPC, 7.4 for the EO, and 4.4 for the NO group, showing a significant difference between the UPC and EO (P = 0.048) and between EO and NO group (P = 0.012). These differences remained when adjusted for the confounders' caries, trauma, enamel defects, and headache. No difference between UPC and NO was found. The EO children also reported significantly higher scores in the domains emotional and social well-being (P = 0.039 and P = 0.012). Limitations: The study would be strengthened if a longitudinal design had been performed. Conclusion: Children with EO reported significantly lower OHRQoL compared to children with UPC or NO. The children generally reported low CPQ scores that imply an overall fairly good OHRQoL.

  • 16.
    Paulsson, Liselotte
    et al.
    Malmö universitet, Odontologiska fakulteten (OD).
    Arvini, Sara
    Malmö universitet, Odontologiska fakulteten (OD).
    Bergström, Niclas
    Malmö universitet, Odontologiska fakulteten (OD).
    Klingberg, Gunilla
    Malmö universitet, Odontologiska fakulteten (OD).
    Lindh, Christina
    Malmö universitet, Odontologiska fakulteten (OD).
    The impact of premature birth on dental maturation in the permanent dentition.2019Ingår i: Clinical Oral Investigations, ISSN 1432-6981, E-ISSN 1436-3771, Vol. 23, nr 2, s. 855-861Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    OBJECTIVES: To evaluate tooth development and calculate dental maturity score in prematurely born children and to compare the findings with full-term born children. MATERIAL AND METHODS: Nine-year-old preterm children were selected from the Swedish Medical Birth Register. One group consisted of 36 extremely preterm children (born before week 29), and the other included 38 very preterm children (born during weeks 29 to 32). Panoramic radiography was performed on each child and the preterm children were compared with 42 full-term born children. Five observers independently assessed the tooth development stages for all teeth in the left mandible (31-37) on the panoramic radiographs according to the method described by Demirjian et al. (Hum Biol 45:211-227, 1973). Data from tooth development stages were compiled and converted into a dental maturity score for each group. Kappa values were calculated for intra- and inter-observer agreement. RESULTS: When the different development stages for each individual tooth were compared, all observers presented a significant delay in the maturity of tooth 37 for the extremely preterm group (p </= 0.002). The extremely preterm group had a significantly lower dental maturity score than the full-term group, as assessed by each observer (p </= 0.006). Kappa values for inter-observer agreement varied between 0.31 and 0.71 depending on tooth and intra-observer agreement was between 0.16 and 1.0. CONCLUSIONS: At age 9, the extremely preterm children had a general delay in tooth development. CLINICAL RELEVANCE: The increased survival rate of extremely preterm babies adds a new group of children to society. Dental clinicians should be aware that the delay in tooth development could impact the timing of orthodontic diagnostics and potential treatment.

    Ladda ner fulltext (pdf)
    FULLTEXT01
  • 17.
    Paulsson, Liselotte
    et al.
    Malmö högskola, Odontologiska fakulteten (OD).
    Bondemark, Lars
    Malmö högskola, Odontologiska fakulteten (OD).
    Söderfeldt, Björn
    Malmö högskola, Odontologiska fakulteten (OD).
    A Systematic Review of the Consequences of Premature Birth on Palatal Morphology, Dental Occlusion, Tooth-crown Dimensions, and Tooth Maturity and Eruption2004Ingår i: Angle orthodontist, ISSN 0003-3219, E-ISSN 1945-7103, Vol. 74, nr 2, s. 269-279Artikel, forskningsöversikt (Övrigt vetenskapligt)
    Abstract [en]

    This systematic review addresses the question whether prematurity re-sults in alteration of palatal morphology, dental occlusion, tooth-crown dimensions, and tooth maturation. A literature survey from the PubMed database covering the period from January 1966 to Novem-ber 2002 used the Medical Subject Headings terms "infant, prema-ture," and "infant, low birth weight" in combination with "jaws," "dental physiology," "dentition," and "tooth abnormalities." Con-trolled studies written in English and with definitions of premature birth according to the World Health Organization were selected. Two reviewers selected and extracted the data independently and also as-sessed the quality of the studies. The search strategy resulted in 113 articles, of which 13 met the inclusion criteria. Scientific evidence was found for altered palatal morphology in the short term among the premature children, and oral intubation was a contributing factor to the alterations. If corrected age was considered for the premature chil-dren, no delay in dental development and eruption was found com-pared with normally born children. Thus, the early birth of premature children must be taken in account when planning for orthodontic treatment. Because of the contradictory results and lack of longitudi-nal studies, the scientific evidence was too weak to answer the ques-tions whether premature birth causes permanent alteration of palatal morphology, alteration of dental occlusion, and altered tooth-crown dimensions. To answer these questions and obtain reliable scientific evidence whether premature children are at risk for malocclusions from possible alterations of palatal morphology such as asymmetry and high arched palates, further well-designed controlled studies as well as longitudinal studies are needed.

  • 18.
    Paulsson, Liselotte
    et al.
    Malmö högskola, Odontologiska fakulteten (OD).
    Ekberg, EwaCarin
    Malmö högskola, Odontologiska fakulteten (OD).
    Nilner, Maria
    Malmö högskola, Odontologiska fakulteten (OD).
    Bondemark, Lars
    Malmö högskola, Odontologiska fakulteten (OD).
    Mandibular function, temporomandibular disorders, and headache in prematurely born children2009Ingår i: Acta Odontologica Scandinavica, ISSN 0001-6357, E-ISSN 1502-3850, Vol. 67, nr 1, s. 30-37Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    OBJECTIVE: To evaluate mandibular function, signs, and symptoms of temporomandibular disorders (TMDs) and headache in prematurely born 8- to 10-year-old children, and to compare the findings with matched full-term born controls. MATERIAL AND METHODS: Seventy-three preterm children were selected from the Medical Birth Register--one group comprising 36 extremely preterm children born before the 29th gestational week, the other group 37 very preterm children born during gestational weeks 29 to 32. The preterm children were compared with a control group of 41 full-term children matched for gender, age, nationality, and living area. The subjective symptoms of TMD and headache were registered using a questionnaire. Mandibular function, signs, and symptoms of TMD and headache were registered. TMD diagnoses were set per Research Diagnostic Criteria for temporomandibular disorders (RDC/TMD). RESULTS: No significant differences between groups or gender were found for TMD diagnoses according to RDC/TMD or for headache. The preterm children had smaller mandibular movement capacity than the full-term control group, but when adjusting for weight, height, and head circumference mostly all group differences disappeared. CONCLUSIONS: Prematurely born children of 8 to 10 years of age did not differ from full-term born children when considering diagnoses according to RDC/TMD, signs, and symptoms of TMD or headache.

  • 19.
    Paulsson, Liselotte
    et al.
    Malmö högskola, Odontologiska fakulteten (OD).
    Söderfeldt, Björn
    Malmö högskola, Odontologiska fakulteten (OD).
    Bondemark, Lars
    Malmö högskola, Odontologiska fakulteten (OD).
    Malocclusion and Orthodontic Treatment Need in Prematurely Born Children2007Konferensbidrag (Övrig (populärvetenskap, debatt, mm))
  • 20.
    Paulsson, Liselotte
    et al.
    Malmö högskola, Odontologiska fakulteten (OD).
    Söderfeldt, Björn
    Malmö högskola, Odontologiska fakulteten (OD).
    Bondemark, Lars
    Malmö högskola, Odontologiska fakulteten (OD).
    Malocclusion traits and orthodontic treatment needs in prematurely born children2008Ingår i: Angle orthodontist, ISSN 0003-3219, E-ISSN 1945-7103, Vol. 78, nr 5, s. 786-792Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    OBJECTIVE: To evaluate if prematurely born children have higher prevalence of malocclusion traits and greater orthodontic treatment need than matched full-term born controls. MATERIALS AND METHODS: Seventy-three preterm children were selected from the Medical Birth Register and divided into two subgroups according to their gestational age. One group consisted of 37 very preterm children (VPT), born in gestational week 29-32, and the other of 36 extremely preterm children (EPT), born before the 29th gestational week. The subjects were compared with a control group of 41 full-term children, who were matched for sex, age, and nationality. Data from clinical examinations, study casts, and panoramic radiographs were used to determine malocclusion traits. The dental health component of the index of orthodontic treatment need (IOTN) was used to rank the treatment need. RESULTS: Two or more malocclusion traits occurred significantly more often among EPT (83.3%) and VPT children (73.0%), compared with the full-term children (51.2%). Significantly higher prevalence of deep bites and was found in EPT and VPT groups compared with the full-term control group. Deep bite was the most common malocclusion trait in the EPT and VPT group. Higher orthodontic treatment need was found for the preterm children but no differences in prevalence of malocclusion traits and treatment need were found between VPT and EPT children. CONCLUSION: The clinician should be aware of the potential for a higher number of malocclusion traits and greater orthodontic treatment need in prematurely born children compared with full-term children.

  • 21.
    Paulsson-Björnsson, Liselotte
    Malmö högskola, Odontologiska fakulteten (OD).
    För tidigt födda kan ha ökat tandvårdsbehov2010Ingår i: Tandläkartidningen, ISSN 0039-6982, Vol. 102, nr 4, s. 72-74Artikel i tidskrift (Övrigt vetenskapligt)
    Abstract [sv]

    Barn födda 3–4 månader för tidigt bör uppmärksammas av tandvården. Dessa barn kan ha fler bettavvikelser, större tandregleringsbehov och fler avvikelser i kraniofacial morfologi jämfört med fullgångna barn.

  • 22.
    Paulsson-Björnsson, Liselotte
    Malmö högskola, Odontologiska fakulteten (OD).
    Premature birth - studies on orthodontic treatment need, craniofacial morphology and function2009Doktorsavhandling, sammanläggning (Övrigt vetenskapligt)
    Abstract [sv]

    Få studier har utvärderat om det finns något samband mellan för tidig födsel och bettavvikelser eller behov av tandreglering. Dessutom har inga tidigare studier undersökt om för tidigt födda barn skiljer sig från barn födda efter fullgången graviditet avseende ansiktsmorfologi, huvudvärk och temporomanibular dysfunktion (TMD), dvs. smärttillstånd och avvikande funktion lokaliserade till ansikte och käkar. Det övergripande syftet med denna avhandling är att i en unik serie av studier utvärdera och jämföra bettavvikelser, tandregleringsbehov, ansiktsmorfologi, TMD och huvudvärk mellan extremt för tidigt födda (födda före graviditetsvecka 29), mycket för tidigt födda (födda i graviditetsvecka 29-32) och fullgångna kontrollbarn.Avhandlingen är baserad på följande studier:Studie I är en systematisk litteraturöversikt med följande frågeställningar:-Påverkar för tidig födsel gommens morfologi, bettförhållandena, tändernas storlek samt tandanlagens utveckling och frambrott?-Påverkar oral intubering under neonatalperioden uppkomsten av eventuella morfologiska avvikelser?-Är dessa avvikelser permanenta eller övergående?Översikten omfattade tidsperioden från januari 1966 till november 2002 och har därefter även utökats att gälla t.o.m. september 2008. En kvalitetsbedömning gjordes även av de utvalda studierna.Syftet med studierna II-IV var att jämföra extremt för tidigt födda och mycket för tidigt födda 8-10-åringar med matchade fullgångna kontrollbarn avseende:-Förekomst av bettavvikelser och behov av tandreglering•Ansiktsmorfologi •TMD och huvudvärk Konklusioner i studie I inklusive den kompletterande litteratursökningen:-I litteraturen fanns det måttligt starkt underlag för att för tidigt födda barn har fler bettavvikelser jämfört med fullgångna barn. Det fanns begränsat underlag för att för tidigt födda barn inte har förseningar i tändernas frambrott, när hänsyn tas till korrigerad ålder. Underlaget i litteraturen var otillräckligt för att för tidig födsel orsakar permanenta avvikelser av gommens morfologi och avvikande tandstorlek. -Det är också önskvärt att utreda om för tidig födsel kan leda till ökat tandregleringsbehov, avvikande ansiktsmorfologi, TMD och huvudvärk. Konklusioner i studie II-IV:•De för tidigt födda barnen hade fler bettavvikelser och ett större tandregleringsbehov jämfört med de fullgångna kontrollbarnen.•Flera ansikts- och huvudmått skiljde sig mellan de för tidigt födda barnen och de fullgångna barnen.•Det fanns inga skillnader mellan de för tidigt födda barnen och de fullgångna barnen beträffande TMD eller huvudvärk. Klinisk betydelse:Den ökade överlevnaden av barn som är födda 3 till 4 månader för tidigt utgör en ny grupp i samhället. Tandvården bör därför vara medveten och uppmärksam på att dessa barn kan ha fler bettavvikelser, större tandregleringsbehov och avvikelser i ansikts- och huvudmått jämfört med fullgångna barn. Dock hade de för tidigt födda barnen vid 8-10 års ålder inte mer TMD eller huvudvärk än de fullgångna barnen.

  • 23.
    Paulsson-Björnsson, Liselotte
    et al.
    Malmö högskola, Odontologiska fakulteten (OD).
    Adams, Judith
    Bondemark, Lars
    Malmö högskola, Odontologiska fakulteten (OD).
    Devlin, Hugh
    Horner, K.
    Lindh, Christina
    Malmö högskola, Odontologiska fakulteten (OD).
    The impact of premature birth on the mandibular cortical bone of children2015Ingår i: Osteoporosis International, ISSN 0937-941X, E-ISSN 1433-2965, Vol. 26, nr 2, s. 637-644Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Children born prematurely often have reduced skeletal mineralization. The aim in this study was to compare the cortical thickness of the lower jaw on radiographs of 8- to 10-year-old children with histories of preterm or full term births. There were no significant differences in cortical thickness between full term and preterm children at this age. The purpose of this study was to compare the cortical thickness of the mandible on panoramic radiographs of 8- to 10-year-old children with histories of preterm or full term births. Panoramic radiography was performed on 36 extremely preterm, 38 very preterm and 42 full term children at the age of 8 to 10 years. Five observers independently measured the mandibular cortical width on the panoramic radiographs at four defined sites bilaterally. Altogether, 928 sites were available. Measurements were performed twice on a random 24 % of the sites by four observers. One-way analysis of variance with Tukey's post hoc test was used to test differences between groups. Intraclass correlation coefficient (ICC) was calculated for interobserver agreement while intra-observer agreement was expressed as measurement precision. Significant differences of mandibular cortical width were found between extremely preterm and very preterm children for five of the eight measurement sites with the very preterm showing the highest value. No significant differences were found between full term and either very preterm or extremely preterm except for one measurement site, with the extremely preterm showing the lowest value. ICC varied between 0.30 and 0.83 for the different sites (mean 0.62). The precision of a single measurement varied between 0.11 and 0.45 mm (mean 0.25 mm). From the evidence that very preterm children had significantly thicker mandibular cortices than extremely preterm children, we suggest that these findings may reflect the effect of mineral supplementation provided to premature infants, causing a 'shifting up' of bone mineral status relative to the full term peer group while maintaining the difference between very preterm and extremely preterm born children.

  • 24.
    Paulsson-Björnsson, Liselotte
    et al.
    Malmö högskola, Odontologiska fakulteten (OD).
    Bondemark, Lars
    Malmö högskola, Odontologiska fakulteten (OD).
    Craniofacial morphology in prematurely born children2009Ingår i: Angle orthodontist, ISSN 0003-3219, E-ISSN 1945-7103, Vol. 79, nr 2, s. 276-283Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    OBJECTIVE: To test the null hypothesis that there is no difference between the craniofacial morphology of prematurely born children and that of matched full-term born controls. MATERIALS AND METHODS: White children 8 to 10 years of age, born at the University Hospitals of Lund and Malmö and living in the same part of Sweden, were included. One group consisted of 36 very preterm children, born during gestational weeks 29 to 32; the other group included 36 extremely preterm children, who were born before the 29th gestational week. Subjects were compared with a control group of 31 full-term children, who were matched for gender, age, nationality, and living area. One lateral head radiograph was taken for each child, and the cephalometric analysis included 15 angular and 11 linear variables. Also, the height, weight, and head circumference of each child were registered. RESULTS: A significantly shorter anterior cranial base and a less convex skeletal profile were found among extremely preterm children, and significantly shorter maxillary length was noted in both extremely preterm and very preterm groups as compared with full-term children. The lower incisors were significantly more retroclined and retruded in the extremely preterm group compared with the very preterm group and the full-term control group. Extremely preterm children were significantly shorter, and both extremely preterm and very preterm children had significantly lower weight and smaller head circumference compared with full-term children. CONCLUSION: The null hypothesis was rejected because several craniofacial parameters differed significantly between preterm and full-term born control children.

  • 25.
    Paulsson-Björnsson, Liselotte
    et al.
    Malmö högskola, Odontologiska fakulteten (OD).
    Bondemark, Lars
    Malmö högskola, Odontologiska fakulteten (OD).
    För tidigt född - är risken för bettavvikelser större då?2007Konferensbidrag (Övrigt vetenskapligt)
  • 26.
    Paulsson-Björnsson, Liselotte
    et al.
    Malmö högskola, Odontologiska fakulteten (OD).
    Bondemark, Lars
    Malmö högskola, Odontologiska fakulteten (OD).
    Permanent tooth-crown dimensions in Prematurely born children (Sydney)2010Konferensbidrag (Övrigt vetenskapligt)
    Abstract [en]

    Poster abstract.

  • 27.
    Paulsson-Björnsson, Liselotte
    et al.
    Malmö högskola, Odontologiska fakulteten (OD).
    Bondemark, Lars
    Malmö högskola, Odontologiska fakulteten (OD).
    Permanent tooth-crown dimensions in Prematurely born children (Portoroz)2010Ingår i: Abstract book. 86th Congress of the European Orthodontic Society, 2010, artikel-id SP281Konferensbidrag (Övrigt vetenskapligt)
    Abstract [en]

    AIM: According to the literature, the scientific evidence is insufficient to answer the question as to whether premature birth causes altered tooth-crown dimensions. The aim of this study was to evaluate permanent tooth-crown dimensions in prematurely born children and to compare the findings with full-term born controls. SUBJECTS AND METHOD: White pre-term children, 8 to 10 years of age, were selected from the Swedish Medical Birth Register. One group consisted of 36 extremely pre-term children (born before the 29th gestational week), and the other 37 very pre-term children (born during gestational weeks 29 to 32). The pre-term children were compared with a control group of 41 full-term children, who were matched for gender, age, nationality and living area. Clinical examinations were undertaken and study casts and panoramic radiographs were obtained for each child. The permanent maxillary and mandibular first molars, central incisors and laterals were measured with a digital sliding calliper on the study casts. The tooth-crowns were measured both mesiodistally and buccolingually. The examiner conducting the measurement analysis was unaware of the subject grouping. RESULTS: The maxillary and mandibular first molars were smaller mesiodistally and buccolingually (P ≤ 0.01) whereas the central incisors and lower laterals were smaller mesiodistally (P ≤ 0.02) in the extremely pre-term group compared with the full-term group. A reduction in tooth size of 5-8 per cent was found between the extremely pre-term group and the full-term group. Furthermore, the maxillary first molars and mandibular left first molar were also smaller mesiodistally (P ≤ 0.035) in the extremely pre-term group compared with the very pre-term group. CONCLUSION: Premature birth is associated with reduced toothcrown dimensions of the permanent teeth, and the more preterm the birth the smaller the tooth-crown dimensions.

  • 28. Sepanian, Varoojan
    et al.
    Paulsson, Liselotte
    Malmö högskola, Odontologiska fakulteten (OD).
    Kjellberg, Heidrun
    A long-term follow-up of objective treatment need in young adults, treated with functional appliance. A retrospective study2011Ingår i: Swedish Dental Journal, ISSN 0347-9994, Vol. 33, nr 4, s. 237-237Artikel i tidskrift (Övrigt vetenskapligt)
    Abstract [en]

    AIM To evaluate the success rate of Class II malocclusion treatment with functional appliances 6-7 years after treatment. SUBJECTS AND METHODS The patient records of all listed young adults between 18-20 years (n=1054) treated in a general practice in Eslöv, in southern Sweden were reviewed, for the purpose of finding patients treated with removable functional appliances (Andresen- and van Beek activators). From 61 subjects that previously had been treated with these appliances fifty-four patients, (34 boys and 20 girls) accepted to participate in the study. The test group was matched, in terms of sex and age, with an orthodontically untreated group of 35 boys and 21 girls. All participants were examined clinically and study casts were taken to evaluate the occlusion, lip closure, gingival impingement, and forced bite. Weighted PAR (wPAR) was calculated. Successful treatment was defined if at least three of the following criteria were met: - Normal sagittal molar relation (± ½ cusp) - Overjet less than 5 mm or being reduced by at least 50 % - No gingival impingement - Competent lip closure. If retreatment with fixed appliances was needed or if the treatment had been interrupted prematurely, because of lack of cooperation or undesired treatment result, the treatment was considered as unsuccessful. RESULTS Twenty patients (37,0 %) succeeded with the functional appliance treatment. Twenty-four patients (44.4 %) interrupted the treatment with the functional appliance prematurely, mainly due to lack of cooperation. Fifteen patients (27.8 %) received treatment with fixed appliance in additional to the functional appliance. Very few patients showed gingival impingement and forced bite in both treated and control group. Significantly more patients in the functional appliance group (35.9%) had incompetent lip closure compared with the fixed appliance group (13.3%) and the control group (3.6%). The patient group treated with functional appliance only, had the significantly highest wPAR (mean=18.19). Including only those patients that fulfilled the functional appliance treatment, wPAR declined to 13.78. The patient group who had received additional treatment with fixed appliance showed a mean of 8.67 in wPAR. The control group showed a mean wPAR of 7.43. CONCLUSION Treatments with functional appliances in a general practice, shows that the failure rate is rather high, mainly due to cooperation problems. It is therefore of importance, already before starting treatment, to estimate the child’s cooperation ability and to avoid treatment with removable appliances, if the child or parents are reluctant about such treatment.

  • 29.
    Sollenius, Ola
    et al.
    Department of Orthodontics, County Council, Halland, Halmstad.
    Petrén, Sofia
    Malmö högskola, Odontologiska fakulteten (OD).
    Björnsson, Liselotte
    Malmö högskola, Odontologiska fakulteten (OD).
    Norlund, Anders
    Section of Insurance Medicine, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden.
    Bondemark, Lars
    Malmö högskola, Odontologiska fakulteten (OD).
    Health economic evaluations in orthodontics: a systematic review2016Ingår i: European Journal of Orthodontics, ISSN 0141-5387, E-ISSN 1460-2210, Vol. 38, nr 3, s. 259-265Artikel, forskningsöversikt (Refereegranskat)
    Abstract [en]

    Background: Economic evaluation is assuming increasing importance as an integral component of health services research. Aim: To conduct a systematic review of the literature and assess the evidence from studies presenting orthodontic treatment outcomes and the related costs. Materials/methods: The literature review was conducted in four steps, according to Goodman’s model, in order to identify all studies evaluating economic aspects of orthodontic interventions. The search covered the databases Medline, Cinahl, Cochrane, Embase, Google Scholar, National Health Service Economic Evaluation Database, and SCOPUS, for the period from 1966 to September 2014. The inclusion criteria were as follows: randomized controlled trials or controlled clinical trials comparing at least two different orthodontic interventions, evaluation of both economic and orthodontic outcomes, and study populations of all ages. The quality of each included study was assessed as limited, moderate, or high. The overall evidence was assessed according to the GRADE system (The Grading of Recommendations Assessment, Development and Evaluation). Results: The applied terms for searches yielded 1838 studies, of which 989 were excluded as duplicates. Application of the inclusion and exclusion criteria identified 26 eligible studies for which the full-text versions were retrieved and scrutinized. At the final analysis, eight studies remained. Three studies were based on cost-effectiveness analyses and the other five on cost-minimization analysis. Two of the cost-minimization studies included a societal perspective, i.e. the sum of direct and indirect costs. The aims of most of the studies varied widely and of studies comparing equivalent treatment methods, few were of sufficiently high study quality. Thus, the literature to date provides an inadequate evidence base for economic aspects of orthodontic treatment. Conclusion: This systematic review disclosed that few orthodontic studies have presented both economic and clinical outcomes.There is currently insufficient evidence available about the health economics of orthodontic interventions. Further investigation is warranted.

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