Abstract
Objective
The aim of this retrospective, cross-sectional study was to investigate the prevalence of approximal carious lesions in patients after fixed multibracket therapy and in subjects without orthodontics on bitewing radiographs.
Material and methods
Bitewing radiographs of 104 orthodontically treated patients with fixed multibracket appliances were compared to those of 111 untreated subjects. The individuals in both groups were between 15 and 16.25 years of age when radiographs were taken. The test group with orthodontics was recruited from the archive of the Department of Orthodontics at the University of Zürich. The untreated control group was selected randomly from 16 communities in the Canton of Zürich. The approximal surfaces of the permanent premolars and molars of all subjects were assessed by two calibrated investigators.
Results
The average number of enamel lesions in the test group after fixed orthodontic treatment was lower than in the control group (0.57 vs. 1.85, p < 0.001). The same was found for dentin lesions (0.06 vs. 0.49, p < 0.001). The distribution of lesions was similar in both groups.
Conclusion
Fewer approximal carious lesions were detected in the test group after fixed multibracket appliances than in the age-matched control group without orthodontic treatment.
Zusammenfassung
Hintergrund und Ziel
Das Ziel dieser retrospektiven Querschnittsstudie war es, mit Hilfe von Bissflügelaufnahmen die Prävalenz von approximalen kariösen Läsionen bei Patienten nach festsitzender kieferorthopädischer Behandlung und Patienten ohne kieferorthopädische Behandlung zu vergleichen.
Material und Methodik
Bitewing-Röntgenbilder von 104 mit festsitzenden kieferorthopädischen Apparaturen behandelten Patienten wurden mit denen von 111 unbehandelten Probanden verglichen. Zum Zeitpunkt der Röntgenaufnahmen waren die Jugendlichen beider Gruppen zwischen 15 und 16,25 Jahre alt. Die kieferorthopädische Testgruppe wurde aus dem Archiv der Klinik für Kieferorthopädie der Universität Zürich ausgewählt. Die unbehandelte Kontrollgruppe wurde randomisiert aus 16 Gemeinden des Kantons Zürich zusammengestellt. Die approximalen Flächen der permanenten Prämolaren und Molaren wurden durch zwei kalibrierte Untersucher beurteilt.
Resultate
Die durchschnittliche Anzahl der Schmelzläsionen in der Testgruppe nach festsitzender kieferorthopädischer Behandlung war niedriger als in der Kontrollgruppe (0,57 vs. 1,85, p < 0,001). Dasselbe wurde auch für Dentinläsionen gefunden (0,06 vs. 0,49, p < 0,001). Die Verteilung der Läsionen war in beiden Gruppen vergleichbar.
Schlussfolgerungen
In der Testgruppe nach Behandlung mit festsitzenden Apparaturen wurden weniger approximale kariöse Läsionen als in der gleichaltrigen Kontrollgruppe ohne Kieferorthopädie gefunden.
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Baumgartner, S., Menghini, G. & Imfeld, T. The prevalence of approximal caries in patients after fixed orthodontic treatment and in untreated subjects. J Orofac Orthop 74, 64–72 (2013). https://doi.org/10.1007/s00056-012-0111-2
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DOI: https://doi.org/10.1007/s00056-012-0111-2