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  • 1. Barzangi, Jir
    et al.
    Unell, Lennart
    Söderfeldt, Björn
    Malmö högskola, Odontologiska fakulteten (OD).
    Bond, Jasmin
    Musse, Ifrah Ahmed
    Arnrup, Kristina
    Infant dental enucleation in an East African population in Sweden: a cross-sectional study on dental records2014Ingår i: International Journal of Paediatric Dentistry, ISSN 0960-7439, E-ISSN 1365-263X, Vol. 24, nr 3, s. 209-214Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Aim To examine the prevalence of infant dental enucleation (IDE) of primary canines, an East African traditional remedial procedure, in a multiethnic population of children in Sweden. Design A cross-sectional study was conducted of dental records of 1133 patients (mean age 4.6years, SD +/- 1.4) attending one public dental service clinic in Sweden. The clinic was located in an area with a large multiethnic community. All were born within the years 2002-2006 and had received a check-up in one of the years 2007-2009. A registry was made of missing primary canines where no reason could be found. In documented cases, information about ethnic origin was extracted. Statistical grouping was made according to known East African ethnicities. Results At least 36 ethnicities were recorded. Twenty-four (2.1%) patients were missing one or more canines according to the criteria for IDE. Significant difference was seen when comparison was made between patients of known East African ethnicities, of whom 20.8% (21/101) manifested findings consistent with the criteria, and the rest of the population (3/1032; P<0.001). Conclusions Prevalence of cases suggestive of IDE among patients of East African origin points to a need for increased awareness within dental and healthcare communities.

  • 2.
    Berlin, Henrik
    et al.
    Malmö universitet, Odontologiska fakulteten (OD).
    List, Thomas
    Malmö universitet, Odontologiska fakulteten (OD).
    Ridell, Karin
    Malmö universitet, Odontologiska fakulteten (OD).
    Klingberg, Gunilla
    Malmö universitet, Odontologiska fakulteten (OD).
    Dentists' attitudes towards acute pharmacological pain management in children and adolescents2018Ingår i: International Journal of Paediatric Dentistry, ISSN 0960-7439, E-ISSN 1365-263X, Vol. 28, nr 2, s. 152-160Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    AIM: This study aimed to investigate Swedish dentists' attitudes regarding pain management strategies for treating children and adolescents. It assessed recommendations for pre- and postoperative analgesics, and use of local anaesthesia, and whether application of these strategies differs between general dental practitioners (GDPs) and specialists in paediatric dentistry (SPDs). DESIGN: We invited all GDPs (n = 807) in southern Sweden (Region Skåne), and all registered SPDs (n = 122) working in Sweden (929 actively practising dentists under age 65 years) to participate in a postal survey on pain management in paediatric dental care. RESULTS: The SPDs reported using all types of pain-reducing strategies more frequently than GDPs except local anaesthesia when extracting a permanent premolar, which SPDs and GDPs used equally often. Preoperative analgesic use was greater among SPDs than GDPs. GDPs used local anaesthesia less frequently for filling therapy in primary teeth than in permanent teeth. CONCLUSIONS: SPDs recommend preoperative analgesics more often than GDPs do. GDPs seem to underuse local anaesthetics when treating children and adolescents. SPDs also use pain management strategies more frequently than GDPs. Among GDPs, pain management is less frequent when treating primary teeth than permanent teeth.

  • 3.
    Brogårdh-Roth, Susanne
    et al.
    Malmö högskola, Odontologiska fakulteten (OD).
    Stjernqvist, Karin
    Matsson, Lars
    Malmö högskola, Odontologiska fakulteten (OD).
    Dental behavioural management problems and dental caries prevalence in 3- to 6-year-old Swedish children born preterm2008Ingår i: International Journal of Paediatric Dentistry, ISSN 0960-7439, E-ISSN 1365-263X, Vol. 18, nr 5, s. 341-347Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Abstract: Background. Today, most children born preterm survive without major impairments. But high frequencies of cognitive and behavioural difficulties arise. Studies on dental behaviour management problems (BMP) in these children are lacking. In addition, studies on caries prevalence are few and inconclusive. Aim. To compare the frequency of behavioural problems and poor compliance with dental treatment in preschool children born preterm with those born full-term. The prevalence of caries was also studied. Methods. The study group included 187 children born between 23 and 32 weeks of gestation. The control group constituted full-term children matched by age, sex, immigrant background, and dental operator. BMP, number of dental visits, missed appointments, and caries between ages 3 and 6 were noted. Results. At age 3, but not at age 6, the prevalence of BMP at clinical examinations was significantly higher in preterm children compared with the control group. Of the children who received dental treatments during preschool years, preterm children displayed significantly more BMP. No significant difference in dental visits or in caries prevalence was found. Preterm children, however, missed significantly more dental appointments. Conclusion. Children born preterm display a higher prevalence of BMP at dental examinations and treatments during preschool years.

  • 4.
    Brogårdh-Roth, Susanne
    et al.
    Malmö högskola, Odontologiska fakulteten (OD).
    Stjernqvist, Karin
    Matsson, Lars
    Malmö högskola, Odontologiska fakulteten (OD).
    Klingberg, Gunilla
    Malmö högskola, Odontologiska fakulteten (OD).
    Dental anxiety patterns in adolescents born preterm compared with matched controls2009Ingår i: International Journal of Paediatric Dentistry, ISSN 0960-7439, E-ISSN 1365-263X, Vol. 19, nr Supplement 1, s. 66-170Artikel i tidskrift (Övrigt vetenskapligt)
    Abstract [en]

    Introduction A high frequency of cognitive and behavioural disturbances has been reported in preterm children. It is not known if this affects the children’s apperceptions or behaviours during dental treatment. The aim was therefore to investigate dental behavioural management problems (BMP) and dental anxiety (DA) in preterm children from age 3-14, and to compare with matched controls. Materials and Methods 187 preterm children (23-32 weeks of gestation), born 1994-96 were followed regarding BMP and DA. Comparisons were made with matched full-term controls. Data on BMP were collected from dental records for the ages 3 and 6 yrs. During the school years, parents were interviewed twice regarding BMP in their children. Two periods of time were covered; preschool period, and early school years. Finally, at 12-14 yrs the children filled out the CFSS-DS scale, measuring DA. Results During pre-school years pre-term children showed significantly more BMP at various kinds of dental treatments (32% vs. 15%; p<0.001). This was confirmed in the first interviews of the parents (20%vs. 10%; p=0.028). At the second interviews, covering early school years, no differences were found between the groups. This was also verified by the children’s scorings on CFSS-DS at age 12-14 where no differences in mean scores were revealed. Conclusion Children born preterm seem to have a high prevalence of BMP during preschool years. But this difference decreases with increasing age, possibly reflecting a catch-up. At school years and early adolescence no differences were seen between the groups regarding BMP or DA.

  • 5.
    Brogårdh-Roth, Susanne
    et al.
    Malmö högskola, Odontologiska fakulteten (OD).
    Stjernqvist, Karin
    Matsson, Lars
    Malmö högskola, Odontologiska fakulteten (OD).
    Klingberg, Gunilla
    Malmö högskola, Odontologiska fakulteten (OD).
    Dental fear and anxiety and oral health behaviour in 12-to-14-year-olds born preterm2010Ingår i: International Journal of Paediatric Dentistry, ISSN 0960-7439, E-ISSN 1365-263X, Vol. 20, nr 6, s. 391-399Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    BACKGROUND: An enhanced frequency of cognitive and behavioural disturbances has been reported in preterm children. It is not known if this affects their perceptions of or behaviour in the dental care situation. HYPOTHESIS: The hypotheses were that preterm (PT) children aged 12-14 years more often exhibit dental fear and anxiety (DFA) than full-term controls (C), while no differences were expected regarding oral health behaviour. METHODS: One hundred and nine PT and 108 C children took part in the present questionnaire study. DFA was assessed using the Children's Fear Survey Schedule - Dental Subscale (CFSS-DS). In addition the questionnaire covered items including satisfaction with received dental care, oral health behaviour and medical health. RESULTS: The children's CFSS-DS scores revealed no differences between the PT and C groups. Regarding oral health behaviour there were no differences, except that PT children more often used dental floss and extra fluoride supplements. PT children reported more medical health problems than C children. CONCLUSIONS: Preterm (PT) children 12- to 14-years-old, as well as C of same age group, seem to be satisfied with their dental care and display low prevalence of DFA. Still, a higher frequency of medical health problems in the PT children suggests that these children should be regarded as potential risk patients for oral health problems.

  • 6.
    Brogårdh-Roth, Susanne
    et al.
    Malmö högskola, Odontologiska fakulteten (OD).
    Stjernqvist, Karin
    Matsson, Lars
    Malmö högskola, Odontologiska fakulteten (OD).
    Klingberg, Gunilla
    Malmö högskola, Odontologiska fakulteten (OD).
    Parental perspectives on preterm children’s oral health behaviour and experience of dental care during pre-school years and early school years.2009Ingår i: International Journal of Paediatric Dentistry, ISSN 0960-7439, E-ISSN 1365-263X, Vol. 19, nr 4, s. 243-250Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    BACKGROUND: Children born preterm (PT) have medical conditions and impairments that may affect their oral health. Hypothesis. Our hypothesis for the study was that PT children display more dental behaviour management problems (BMPs) and less favourable oral health behaviour than controls (C). METHODS: Parents of 153 PT children and 153 C children were interviewed regarding the children's oral health behaviour and experience of dental care on two occasions, 2 years apart. The interviews concerned the preschool period and the early school years, respectively. RESULTS: BMPs were more common in PT children of preschool age, but not during the early school years. Regarding oral health behaviour, there were no differences between the groups, except that PT children had more problems with toothbrushing than C children in the preschool period, in spite of the fact that the PT group reported more medical health problems and more anxious behaviour and indications of cognitive problems than the C group. CONCLUSIONS: Children born PT exhibit several risk factors for both BMP and impaired oral health. It is essential that this group of patients is identified early and receives special attention from the dental services.

  • 7.
    Eckersten, Charlotte
    et al.
    Malmö högskola, Odontologiska fakulteten (OD).
    Pylvänen, Lena
    Schröder, Ulla
    Malmö högskola, Odontologiska fakulteten (OD).
    Twetman, Svante
    Wennhall, Inger
    Malmö högskola, Odontologiska fakulteten (OD).
    Matsson, Lars
    Malmö högskola, Odontologiska fakulteten (OD).
    Prevalence of dental fluorosis in children taking part in an oral health programme including fluoride tablet supplements from the age of 2 years2010Ingår i: International Journal of Paediatric Dentistry, ISSN 0960-7439, E-ISSN 1365-263X, Vol. 20, nr 5, s. 347-352Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    AIM: To investigate the prevalence of dental fluorosis in children who had participated in an oral health programme between the ages 2-5 years, including fluoride tablets from the age of 2 years. DESIGN: The study group consisted of 135 10- to 11-year-old children who had participated in the programme, including parent education, tooth-brushing instruction and prescribed fluoride tablets (0.25 mg NaF) (2-3 years: 1 tablet/day; 3-5 years: 2 tablets/day). The prevalence of dental fluorosis in the study group was compared with that in a nonintervention reference group consisting of 129 children of the same ages. The analysis was based on photos of the permanent maxillary front teeth using the Thylstrup & Fejerskov (TF) Index. RESULTS: No statistically significant difference in prevalence of dental fluorosis was seen between the two groups. Forty-three percent of the children in the study group and 38% in the reference group had fluorosis, the majority of a mild nature (TF-score 1). None had a TF score above 2. The pattern was the same after correction for parent reported intake of tablets at 3 and 5 years of age. CONCLUSION: Introduction of fluoride tablets at the age of 2 years did not result in increased prevalence of dental fluorosis

  • 8. Hubel, S
    et al.
    Mejàre, Ingegerd
    Malmö högskola, Odontologiska fakulteten (OD).
    Conventional versus resin-modified glass-ionomer cement for Class II restorations in primary molars: A 3-year clinical study2003Ingår i: International Journal of Paediatric Dentistry, ISSN 0960-7439, E-ISSN 1365-263X, Vol. 13, nr 1, s. 2-8Artikel i tidskrift (Övrigt vetenskapligt)
    Abstract [en]

    OBJECTIVE: To compare the clinical performance of two glass-ionomer cements (GICs)for Class II restorations in primary molars: a conventional cement (Fuji II) and a resin-modified cement (Vitremer). DESIGN: Split mouth and random assignment to thetwo materials were used for the majority of the molars. SAMPLE AND METHODS: Forty consecutive 4-7-year-old children were included. One operator made 115 restorations: 53 with Vitremer and 62 with Fuji II. The restorations were evaluated clinically, radiographically and from colour photographs. RESULTS: The cumulative success rate of the Vitremer restorations was 94% and that of the Fuji II restorations 81%. The difference is statistically significant. The risk of a failed restoration was more than five times higher with Fuji II than with Vitremer as the restorative material. Of the 13 unsuccessful restorations, seven had lost their retention, four had secondary caries, and two were fractured. CONCLUSIONS: The resin-modified GIC offered advantages over the conventional GIC for restoring approximal caries in primary molars.

  • 9.
    Hänsel Petersson, Gunnel
    et al.
    Malmö högskola, Odontologiska fakulteten (OD).
    Isberg, Per-Erik
    Twetman, Svante
    Caries risk profiles in schoolchildren over 2 years assessed by Cariogram2010Ingår i: International Journal of Paediatric Dentistry, ISSN 0960-7439, E-ISSN 1365-263X, Vol. 20, nr 5, s. 341-346Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    BACKGROUND: Caries risk assessment is an important tool in clinical decision making. AIM: To evaluate longitudinal changes in caries risk profiles in a group of schoolchildren in relation to caries development. DESIGN: The Cariogram model was used to create caries risk profiles and to identify risk factors in 438 children being 10-11 years at baseline. The assessment was repeated after 2 years and the caries increment was recorded. The frequency of unfavourable risk factors were compared between those considered at the lowest and the highest risk. RESULTS: Fifty percent of the children remained in the same risk category after 2 years. One third of the children were assessed in a higher-risk category while 18.4% showed a lower risk. Those with increased risk compared with baseline developed significantly more caries than those with an unchanged risk category. The most frequent unfavourable risk factors among those with high risk at baseline were high-salivary mutans streptococci and lactobacilli counts as well as frequent meals. CONCLUSION: Half of the children showed a changed risk category after 2 years, for better or for worse, which suggests that regular risk assessments are needed in order to make appropriate decisions on targeted preventive care and recall intervals.

  • 10.
    Klingberg, Gunilla
    et al.
    Malmö högskola, Odontologiska fakulteten (OD).
    Andersson-Wenckert, Ingrid
    Grindefjord, Margaret
    Lundin, Sven-Åke
    Ridell, Karin
    Malmö högskola, Odontologiska fakulteten (OD).
    Tsilingaridis, Georgios
    Ullbro, Christer
    Specialist paediatric dentistry in Sweden 2008 - a 25-year perspective2010Ingår i: International Journal of Paediatric Dentistry, ISSN 0960-7439, E-ISSN 1365-263X, Vol. 20, nr 5, s. 313-321Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Background. Paediatric dentistry in Sweden has been surveyed four times over the past 25 years. During this period postgraduate training, dental health, and the organization of child dental care have changed considerably. Aim. To investigate services provided by specialists in paediatric dentistry in Sweden in 2008, and to compare with data from previous surveys. Design. The same questionnaire was sent to all 30 specialist paediatric dental clinics in Sweden that had been used in previous surveys. Comparisons were made with data from 1983, 1989, 1996 and 2003. Results. Despite an unchanged number of specialists (N = 81 in 2008), the number of referrals had increased by 16% since 2003 and by almost 50% since 1983. There was greater variation in reasons for referrals. The main reason was still dental anxiety/behaviour management problems in combination with dental treatment needs (27%), followed by medical conditions/disability (18%), and high caries activity (15%). The use of different techniques for conscious sedation as well as general anaesthesia had also increased. Conclusions. The referrals to paediatric dentistry continue to increase, leading to a heavy work load for the same number of specialists. Thus, the need for more paediatric dentists remains.

  • 11.
    Klingberg, Gunilla
    et al.
    Malmö högskola, Odontologiska fakulteten (OD).
    Broberg, Anders G
    Dental fear/anxiety and dental behaviour management problems in children and adolescents: a review of prevalence and concomitant psychological factors2007Ingår i: International Journal of Paediatric Dentistry, ISSN 0960-7439, E-ISSN 1365-263X, Vol. 17, nr 6, s. 391-406Artikel, forskningsöversikt (Övrigt vetenskapligt)
    Abstract [en]

    OBJECTIVES: The objectives of this article were to examine the literature published from 1982 to 2006 and to evaluate prevalence of dental fear and anxiety (DFA) and dental behaviour management problems (DBMP) in children and adolescents, and their relationships to age, sex, general anxiety, temperament, and general behavioural problems. METHODS: A broad search of the PubMed database was performed using three combinations of search terms. RESULTS: A large proportion of the identified articles could not be used for the review owing to inadequate endpoints, measures or poor study design. Thirty-two papers of acceptable quality were identified and reviewed. The prevalence of both DFA and DBMP were estimated to 9%, with a decrease in prevalence with age. DFA/DBMP were more frequent in girls. DFA/DBMP were related to general fear and both internalizing and externalizing behavioural problems, although these relationships were not clear-cut. Temperament was related to both DFA and DBMP but with different temperamental characteristics, while general behavioural problems mainly correlated with DBMP. CONCLUSIONS: DFA/DBMP are common, and several psychological factors are associated with the development of these problems. In order to better understand these relationships, a number of issues concerning design of research and measurement of DFA/DBMP have to be dealt with.

  • 12.
    Klingberg, Gunilla
    et al.
    Malmö högskola, Odontologiska fakulteten (OD).
    Hagberg, Catharina
    Norén, Jörgen G
    Nietzsche, Sandor
    Aspects on dental hard tissues in primary teeth from patients with Ehlers-Danlos syndrome2009Ingår i: International Journal of Paediatric Dentistry, ISSN 0960-7439, E-ISSN 1365-263X, Vol. 19, nr 4, s. 282-290Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Ehlers-Danlos syndrome (EDS) is a rare hereditary condition affecting connective tissues and dental hard tissues. HYPOTHESES: Primary enamel and dentine from EDS patients were expected to differ from those of healthy subjects regarding morphology and chemical composition. DESIGN: Forty-seven exfoliated primary teeth from 25 patients with EDS were investigated. Morphology was studied using a polarized light microscope, scanning electron microscope, and X-ray microanalysis. Comparisons were made with 36 primary teeth from 36 healthy patients. RESULTS: Morphological analysis of enamel in EDS teeth showed a high frequency of postnatally hypomineralized enamel and postnatally located incremental lines, whereas dentine was normal in all patients. Chemical analysis could not reveal any differences between EDS and control patients except for lower content of C and a higher Ca/P ratio in the enamel in the EDS teeth, indicating porous enamel. Regarding dentine, EDS teeth had a lower content of C, and a higher content of Ca, P, and O. Ratios for Ca/C and Ca/O were also higher compared with controls. CONCLUSIONS: There are several aberrations of booth enamel and dentine in primary teeth from patients with EDS. These could explain the occurrence of both more dental caries and tooth fractures in patients with EDS.

  • 13.
    Mejàre, Ingegerd
    et al.
    Malmö högskola, Odontologiska fakulteten (OD).
    Bergman, E
    Grindefjord, Margaret
    Hypomineralized Molars and Incisors of Unknown Origin: Treatment Outcome at Age 18 Years2005Ingår i: International Journal of Paediatric Dentistry, ISSN 0960-7439, E-ISSN 1365-263X, Vol. 15, nr 1, s. 20-28Artikel i tidskrift (Övrigt vetenskapligt)
    Abstract [en]

    molars and incisors of unknown aetiology (MIH) in 18-year-olds. DESIGN: A follow-up study including clinical examination, panoramic radiography and intraoral photos. SAMPLE AND METHOD: Seventy-six individuals treated at the Eastman Dental Institute in Stockholm during 1978-2001 with the diagnosis MIH. Severity of enamel defects in molars and incisors, prevalence and distribution of extracted molars, type, quality and median duration of restorations, periradicular condition of affected molars, dental occlusion and space closure in cases of extraction, as well as the individual's satisfaction with the treatment, were assessed. RESULTS: Severe defects with enamel surface breakdown in all four molars occurred in 42% of the individuals and 29% had at least one incisor with yellow/brown opacity in the enamel. At follow up, 42% of the individuals had at least one molar extracted; 18% had all four molars extracted. The median duration of the molar restorations (n = 153) was 5 years. Of the individuals with restored molars, 48% had at least one unacceptable restoration. Periradicular pathology was observed in three molars. The sagittal relations did not differ between individuals with and without extraction of molars. Space closure was acceptable in 87% of the individuals with extracted molars. Eighty percent were satisfied with the treatment. CONCLUSIONS: Extraction of molars with severe enamel defects gave good or acceptable results in a majority of the patients while conservative restorative treatment resulted in a need for additional treatment in approximately half of the patients.

  • 14.
    Norderyd, Johanna
    et al.
    National Oral Disability Centre, The Institute for Postgraduate Dental Education, Jönköping, Sweden; CHILD Research Group, Swedish Institute for Disability Research, School of Health and Welfare, Jönköping University, Jönköping, Sweden.
    Faulks, Denise
    CHU Clermont-Ferrand, Service d'Odontologie, Clermont-Ferrand, France; Université Clermont Auvergne, CROC Centre de Recherche en Odontologie Clinique, Clermont-Ferrand, France.
    Molina, Gustavo
    Facultad de Odontología, Universidad Nacional de Córdoba, Cordoba, Argentina.
    Granlund, Mats
    CHILD Research Group, Swedish Institute for Disability Research, School of Health and Welfare, Jönköping University, Jönköping, Sweden; Department of Special Education, Oslo University, Oslo, Norway.
    Klingberg, Gunilla
    Malmö högskola, Odontologiska fakulteten (OD).
    Which factors most influence referral for restorative dental treatment under sedation and general anaesthesia in children with complex disabilities: caries severity, child functioning, or dental service organisation?2017Ingår i: International Journal of Paediatric Dentistry, ISSN 0960-7439, E-ISSN 1365-263X, Vol. 28, nr 1, s. 71-82Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    BACKGROUND: The UN Convention on the Rights of the Child gives all children right to the highest standard of services for treatment and rehabilitation. For children with disabilities, sedation and general anaesthesia (GA) are often indicated for dental treatment; however, accessibility to this varies. The International Classification of Functioning, Disability and Health - Child and Youth version (ICF-CY) enables a biopsychosocial description of children undergoing dental treatment. AIM: To investigate conscious sedation and GA in children with complex disabilities and manifest caries and analyse how caries, child functioning, and dental service organisation relate to dental GA (DGA), comparing Argentina, France, and Sweden using the ICF-CY. DESIGN: Quantitative, cross-sectional; data collected through structured interviews, observation, and dental records. RESULTS: Sedation and DGA were common. Children with limitations in interpersonal interactions and relationships were more likely to have had DGA (OR: 5.3, P = 0.015). Level of caries experience was strongly correlated with experience of DGA. There were significant differences between countries regarding caries prevalence, sedation, DGA, and functional and environmental factors. CONCLUSIONS: Although caries experience and child functioning are important, dental health service organisation had the most impact on the incidence of DGA, and for the use of conscious sedation, for children with complex disabilities.

  • 15. Sabel, Nina
    et al.
    Klingberg, Gunilla
    Malmö högskola, Odontologiska fakulteten (OD).
    Dietz, Wolfram
    Nietzsche, Sandor
    Norén, Jörgen G
    Polarized light and scanning electron microscopic investigation of enamel hypoplasia in primary teeth2010Ingår i: International Journal of Paediatric Dentistry, ISSN 0960-7439, E-ISSN 1365-263X, Vol. 20, nr 1, s. 31-36Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    BACKGROUND: Enamel hypoplasia is a developmental disturbance during enamel formation, defined as a macroscopic defect in the enamel, with a reduction of the enamel thickness with rounded, smooth borders. Information on the microstructural level is still limited, therefore further studies are of importance to better understand the mechanisms behind enamel hypoplasia. AIM: To study enamel hypoplasia in primary teeth by means of polarized light microscopy and scanning electron microscopy. METHODS: Nineteen primary teeth with enamel hypoplasia were examined in a polarized light microscope and in a scanning electron microscope. RESULTS: The cervical and incisal borders of the enamel hypoplasia had a rounded appearance, as the prisms in the rounded cervical area of the hypoplasia were bent. The rounded borders had a normal surface structure whereas the base of the defects appeared rough and porous. CONCLUSIONS: Morphological findings in this study indicate that the aetiological factor has a short duration and affects only certain ameloblasts. The bottom of the enamel hypoplasia is porous and constitutes possible pathways for bacteria into the dentin.

  • 16. Weerheijm, Karin L
    et al.
    Mejàre, Ingegerd
    Malmö högskola, Odontologiska fakulteten (OD).
    Molar incisor hypomineralization: a questionnaire inventory of its occurrence in member countries of the European Academy of Paediatric Dentistry (EAPD)2003Ingår i: International Journal of Paediatric Dentistry, ISSN 0960-7439, E-ISSN 1365-263X, Vol. 13, nr 6, s. 411-416Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    OBJECTIVES: The objectives were to find out whether hypomineral-ized permanent first molars and incisors, known as Molar Incisor Hy-pomineralization (MIH), occurs all over Europe, whether its preva-lence in each country is known and whether or not it is considered to be a clinical problem. SAMPLE AND METHODS: Clinical photos of MIH and a five-item questionnaire were sent to members of the Euro-pean Academy of Paediatric Dentistry (EAPD). A total of 59 question-naires were sent to members in 31 countries. After one month a re-minder was sent to non-responders. RESULTS: Fifty-four dentists (92%) in 30 countries (97%) returned the questionnaire. MIH was stated to occur in all but one country (the Czech Republic). Nearly all the responders (97%) stated that they were familiar with the clinical appearance of MIH and a majority saw it as a clinical problem. Fur-thermore, a large majority of the responders (90%) considered it im-portant to map the prevalence of MIH in European countries as such data are available to only a limited extent. CONCLUSION: Paediatric dentists in Europe are aware of MIH and the majority consider it to be a clinical problem. Only limited data are available on the prevalence of MIH. Comparable and representative prevalence studies are there-fore urgently needed to gain more knowledge about the magnitude of MIH and related clinical problems.

  • 17. Wennhall, Inger
    et al.
    Hajem, Samara
    Ilros, Susanna
    Ridell, Karin
    Malmö högskola, Odontologiska fakulteten (OD).
    Ekstrand, Kim R.
    Twetman, Svante
    Fluoridated salt for caries prevention and control - a 2-year field study in a disadvantaged community.2014Ingår i: International Journal of Paediatric Dentistry, ISSN 0960-7439, E-ISSN 1365-263X, Vol. 24, nr 3, s. 161-167Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    BACKGROUND: Salt fluoridation is considered a cost-effective community strategy for reducing caries. AIM: To evaluate the effect of school-based and domestic distribution of F-salt to schoolchildren residing in a disadvantaged community. DESIGN: Seven hundred and thirty-three schoolchildren (12-14 years), attending two public schools, were enrolled; one was assigned to intervention (IS), whereas the other served as reference (RS). Subjects in IS were given access to F-salt (250 ppm F) in marked jars at school lunch and through free supply for domestic use. The 2-year caries increment and progression rate, assessed from bitewing radiographs, was scored. Information on diet, oral hygiene, and fluoride exposure was collected through a baseline questionnaire. RESULTS: The dropout rate was high (IS 27%; RS 18%). At baseline, the IS children displayed more unfavourable risk factors and a higher caries experience than RS children. There were no significant differences in total caries increment or proximal progression rate between the two schools. A negative correlation (r = -0.29; P < 0.05) between the amount of delivered salt and the caries progression rate was, however, noted. No side effects were reported. CONCLUSIONS: F-salt was not effective in this setting. Still, the findings indicate that salt may be a beneficial source of fluoride in schoolchildren provided that compliance can be secured.

  • 18.
    Wennhall, Inger
    et al.
    Malmö högskola, Odontologiska fakulteten (OD).
    Matsson, Lars
    Malmö högskola, Odontologiska fakulteten (OD).
    Schröder, Ulla
    Malmö högskola, Odontologiska fakulteten (OD).
    Twetman, Svante
    Outcome of an oral health outreach programme for preschool children in a low socioeconomic multicultural area2008Ingår i: International Journal of Paediatric Dentistry, ISSN 0960-7439, E-ISSN 1365-263X, Vol. 18, nr 2, s. 84-90Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    BACKGROUND: Despite a significant reduction in the prevalence of dental caries, childhood tooth decay is still a public health problem in both developed and developing countries. OBJECTIVE: The aim of this study was to evaluate the caries preventive effect of an oral health programme for preschool children living in a low socioeconomic multicultural area in the city of Malmö, Sweden. METHODS: Eight hundred and four 2-year-old children were enrolled and recalled every third month between ages 2 and 3 and semi-annually between ages 3 and 5 years. From an outreach facility, parents were instructed on oral health with a focus on toothbrushing and diet, and provided fluoride tablets free of charge. Participants completed a clinical examination and a structured interview at age of 5 years, at which point 651 children (81%) remained in the programme. The results of the intervention group were compared with a non-intervention reference group consisting of 201 5-year-old children from the same district. RESULTS: In the intervention group, 96% attended four or more of their scheduled appointments, and mean caries prevalence was significantly lower than in the reference group (5.4 deft vs. 6.9 deft; P < 0.001). The prevented defs fraction was 27%. Parents' daily assistance with toothbrushing and administering fluoride tablets was significantly better in the intervention group than in the reference group (P < 0.05). CONCLUSION: This study demonstrated that the early start of oral health programme had a significant beneficial effect on caries prevalence after 3 years.

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