Comparison of orthodontic treatment need and malocclusion prevalence according to KIG, ICON, and mIOTN in German 8- to 9-year-old children of the Sixth German Oral Health Study (DMS 6)

URN to cite this document:

urn:nbn:de:bvb:355-epub-538065 Copy

DOI to cite this document:

10.5283/epub.53806 Copy

Kirschneck, Christian ; Kuhr, Kathrin ; Ohm, Cristiana ; Frenzel Baudisch, Nicolas ; Jordan, Andreas Rainer

License: Creative Commons Attribution 4.0 PDF - Published Version (499kB)

Date of publication of this fulltext: 21 Feb 2023 06:24

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This publication is part of the DEAL contract with Springer.

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Details

Item type:	Article
Open Access Type:	DEAL (Springer)
Journal or Publication Title:	Journal of Orofacial Orthopedics / Fortschritte der Kieferorthopädie
Publisher:	Springer
Volume:	84
Number of Issue or Book Chapter:	S1
Page Range:	pp. 26-35
Date:	1 February 2023
Institutions:	Medicine > Lehrstuhl für Kieferorthopädie
Projects (Historical):	Deutsche Gesellschaft für Kieferorthopädie e. V.
Identification Number:	Value Type 10.1007/s00056-023-00446-6 DOI
Keywords:	Orthodontic treatment need · Malocclusion prevalence · Orthodontic Indication Groups · Index of Complexity, Outcome and Need · Modified Index of Orthodontic Treatment Need
Dewey Decimal Classification:	600 Technology > 610 Medical sciences Medicine
Status:	Published
Refereed:	Yes, this version has been refereed
Created at the University of Regensburg:	Partially
Item ID:	53806

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Abstract

Purpose The aim of the present study was to compare the malocclusion indices KIG (Kieferorthopädische Indikationsgruppen, Orthodontic Indication Groups), ICON (Index of Complexity, Outcome and Need), and mIOTN (modified Index of Orthodontic Treatment Need) regarding differences in malocclusion prevalence and their assessment of orthodontic treatment need in German 8‑ to 9‑year-old children of ...

Abstract

Purpose
The aim of the present study was to compare the malocclusion indices KIG (Kieferorthopädische Indikationsgruppen, Orthodontic Indication Groups), ICON (Index of Complexity, Outcome and Need), and mIOTN (modified Index of Orthodontic Treatment Need) regarding differences in malocclusion prevalence and their assessment of orthodontic treatment need in German 8‑ to 9‑year-old children of the Sixth German Oral Health Study (Deutsche Mundgesundheitsstudie, DMS 6).
Methods
The necessary data for the calculation of the KIG, mIOTN, and ICON were collected by a dentist as part of a clinical orthodontic examination during the field phase of the DMS 6 and by a subsequent digital orthodontic model–analytical evaluation of intraoral scans of the dental arches and the occlusal situation in habitual occlusion.
Results
Prevalence, severity, and treatment need of tooth and jaw misalignments differed in part considerably depending on the index used for assessment. On the other hand, there were several outcomes which yielded quite similar results for the different indices used, such as orthodontic treatment need, which ranged from 40.4% (KIG) over 41.6% (ICON) to 44.2% (mIOTN). Interestingly, orthodontic treatment need for the individual subject could differ considerably, when assessed using different indices.
Conclusions
In general, the results show that the mIOTN is much more conservative in assessing malocclusion prevalences often being smaller than those derived by KIG or ICON. In contrast, KIG and ICON often yield similar prevalences with certain distinct differences due to discrepancies in the respective definitions and also clearly differentiate between treatment possibility and arbitrarily determined treatment need.

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Metadata last modified: 25 Jul 2024 10:21

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