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Orthodontic treatment need in a representative adult cohort

Kieferorthopädischer Behandlungsbedarf einer bevölkerungsrepräsentativen adulten Probandengruppe

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Journal of Orofacial Orthopedics / Fortschritte der Kieferorthopädie Aims and scope Submit manuscript

Abstract

Background and Objective

There is currently no representative information for central Germany on the prevalence of dental malalignments and jaw discrepancies in permanent dentition. The aim of this study was to describe the extent of tooth and jaw malformations in a representative adult population according to conventional orthodontic indices.

Subjects and Methods

Three dimensionally (3D)-oriented study casts were measured from a representative sample of adults from the Halle and Leipzig urban areas consisting of 102 men and 143 women aged between 18 and 39 years, yielding a total of 245 volunteers. The index values we determined were the Index of Orthodontic Treatment Need (IOTN), the German Orthodontic Indication Groups (OIG) and the Occlusal Index (OI). The descriptive evaluation of the data and group comparisons (U test, chi2 test) were performed with SPSS® 13.0.

Results

More than half of the adults we examined were assessed as needing treatment according to the IOTN (61.6%), the German OIG (59.6%) and the OI (58.4%; intermediate severity = 5.92). We observed no significant differences in age or gender.

Conclusion

This is the first time that the prevalence of orthodontic findings has been documented for the central German area in a cohort representative of the population. Our results reveal a great need for therapy. As the classifications describe different patient groups, the individual need for treatment is inadequately documented.

Zusammenfassung

Hintergrund und Fragestellung

Repräsentative Angaben zur Prävalenz von Zahn- und Kieferfehlstellungen im permanenten Gebiss für den mitteldeutschen Raum liegen derzeit nicht vor. Ziel der Studie war es, anhand gebräuchlicher kieferorthopädischer Indizes den Umfang an behandlungsbedürftigen Zahn- und Kieferfehlstellungen in einer Erwachsenenpopulation zu beschreiben.

Probanden und Methodik

Es wurden die dreidimensional orientierten Modelle einer repräsentativen Stichprobe der Stadtgebiete von Halle und Leipzig bestehend aus 245 Männern (n = 102) und Frauen (n = 143) im Alter zwischen 18 und 39 Jahren vermessen. Die Werte folgender Indizes wurden ermittelt: Index of Orthodontic Treatment Need (IOTN), Kieferorthopädische Indikationsgruppen (KIG) und Occlusal Index (OI). Die deskriptive Auswertung der Daten und die Gruppenvergleiche (U-Test, χ2-Test) erfolgten mit SPSS® 13.0.

Ergebnisse

Mehr als die Hälfte der untersuchten Bevölkerung werden von IOTN (61,6%), KIG (59,6%) und OI (58,4%; mittlerer Schweregrad = 5,92) als behandlungsbedürftig eingestuft. Signifikante Unterschiede zwischen den Gruppen (Alter, Geschlecht) konnten nicht nachgewiesen werden.

Schlussfolgerung

Erstmals konnte die Prävalenz kieferorthopädischer Befunde anhand einer bevölkerungsrepräsentativen Gruppe für den mitteldeutschen Raum erhoben werden. Diese Befunde weisen einen hohen Therapiebedarf aus, dabei umschreiben die verwendeten Klassifikationen jeweils verschiedene Patientengruppen. Der individuelle Behandlungsbedarf wird dabei jedoch nur unzureichend erfasst.

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Authors and Affiliations

  1. -, Am Schlossgarten 1, 36037, Fulda, Germany

    J.J. Bock

  2. Department of Orthodontics, University of Halle-Wittenberg, Halle, Germany

    J. Czarnota & R. Fuhrmann

  3. Department for Pediatric Dentistry, University of Leipzig, Leipzig, Germany

    C. Hirsch

Authors
  1. J.J. Bock
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  2. J. Czarnota
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  3. C. Hirsch
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  4. R. Fuhrmann
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Correspondence to J.J. Bock.

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Bock, J., Czarnota, J., Hirsch, C. et al. Orthodontic treatment need in a representative adult cohort. J Orofac Orthop 72, 421–433 (2011). https://doi.org/10.1007/s00056-011-0047-y

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