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Frequency of additional treatments in relation to the number of root filled canals in maxillary first molars. A comparison of age groups in a Swedish population.
Malmö University, Faculty of Odontology (OD).
Malmö University, Faculty of Odontology (OD).
2021 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Aim: The aim was to study the frequency of additional treatments among root filled maxillary first molar teeth, depending on the number of root filled canals in different age groups in a Swedish population.

Methodology: Data was collected from the Swedish Social Insurance Agency based on 248 299 teeth. Treatment codes corresponding to completion of a root canal treatment (RCT) with 1-4 canals in a maxillary first molar, during 2009, was used as the study population. Codes to identify additional treatments were extraction, orthograde-, retrograde RCT and overall additional treatments. The teeth were studied in relation to number of root filled canals (1-3 or 4 canals) and in three age groups (20-45, 46-60, 61+). Chi-square test was applied (p<0.05).

Results: 32 901 maxillary first molars were included. Additional treatments were most common in age group 46-60 (38.4%) and fewest in age group 61+ (30.5%). No distinct pattern regarding age and number of root filled canals was found. Additional treatments were more frequent with 1-3 canals in the age group 20-45 (extraction, overall additional treatment) and 61+ (extraction, orthograde RCT). Retrograde RCT was more frequent with 4 canals inage group 46-60 and 61+.

Conclusion: No distinct pattern regarding age and number of root filled canals and frequency of additional treatments was found. The results support the need for future studies with longer follow-up periods where consideration of the initial clinical status of teeth can be made. Another outcome measure could also be considered.

Abstract [sv]

Syfte: Syftet med denna studie var att granska ytterligare behandling i relation till antalet rotfyllda kanaler i överkäkens första molar, i olika åldersgrupper i den svenska befolkningen.

Material och metod: Studiedata samlades in från Försäkringskassan och baserades på 248 299 tänder. Behandlingskoder motsvarande slutförda rotbehandlingar (RCT) under 2009 med 1-4 rotkanaler utförda på överkäkens första molar, utgjorde studiepopulationen. Behandlingskoderna som motsvarade ytterligare behandling var: extraktion, ortograd-, retrograd RCT och sammantagen ytterligare behandling. Tänderna studerades i relation till antalet rotfyllda kanaler (1-3 eller 4 kanaler) och delades in i tre åldersgrupper (20-45, 46-60, 61+). Chi-square test applicerades (p<0.05).

Resultat: 32 901 av maxillans första molarer inkluderades. Ytterligare behandling var vanligast i åldersgruppen 46-60 (38.4%) och minst förekommande i åldersgruppen 61+ (30.5%). Inget tydligt mönster mellan ålder och antal rotfyllda kanaler upptäcktes. Ytterligare behandling var vanligare i samband med 1-3 kanaler i åldersgruppen 20-45 (extraktion, sammantagen ytterligare behandling) och 61+ (extraktion, ortograd RCT). Retrograd RCT var vanligare i samband med 4 kanaler i åldersgruppen 46-60 och 61+.

Slutsats: Inget tydligt mönster upptäcktes gällande ålder, antal rotfyllda kanaler och ytterligare behandling. Resultatet stödjer behovet av ytterligare forskning inom området med längre uppföljningsperioder och beaktande gällande tandens ursprungliga status. Andra utfallsmått kan övervägas i framtida forskning för mer pålitliga resultat.

Place, publisher, year, edition, pages
2021. , p. 22
Keywords [en]
Age groups, Endodontics, Epidemiology, Molar, Treatment outcome
Keywords [sv]
Behandlingsresultat, Endodonti, Epidemiologi, Kindtand, Åldersgrupper
National Category
Dentistry
Identifiers
URN: urn:nbn:se:mau:diva-42467OAI: oai:DiVA.org:mau-42467DiVA, id: diva2:1558568
Educational program
OD Tandläkarutbildning
Presentation
2021-04-08, 14:15 (Swedish)
Supervisors
Examiners
Available from: 2021-09-17 Created: 2021-05-31 Last updated: 2022-06-27Bibliographically approved

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