<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The need for orthodontic treatment was determined in a random sample of 10-year-old Dunedin, New Zealand schoolchildren using the Dental Aesthetic Index (DAI); an index based on the social acceptability of dental appearance. When absent or unerupted teeth were disregarded, orthodontic treatment was considered to be “mandatory” for one-third of the children. The remaining children were almost equally divided into the three other treatment-need groups: “highly desirable”, “elective”, and “not necessary”. The majority of the children had crowding and spacing in at least one incisor segment, and a molar occlusion other than Angle Class I. In this predominately mixed-dentition sample, more children were considered to need orthodontic treatment than older children in studies using the DAI. This raises some questions about the suitability of the DAI as a tool to assess orthodontic treatment need in mixed-dentition samples.</p>
</abstract>

The need for orthodontic treatment was determined in a random sample of 10-year-old Dunedin, New Zealand schoolchildren using the Dental Aesthetic Index (DAI); an index based on the social acceptability of dental appearance. When absent or unerupted teeth were disregarded, orthodontic treatment was considered to be “mandatory” for one-third of the children. The remaining children were almost equally divided into the three other treatment-need groups: “highly desirable”, “elective”, and “not necessary”. The majority of the children had crowding and spacing in at least one incisor segment, and a molar occlusion other than Angle Class I. In this predominately mixed-dentition sample, more children were considered to need orthodontic treatment than older children in studies using the DAI. This raises some questions about the suitability of the DAI as a tool to assess orthodontic treatment need in mixed-dentition samples.

Prevalence of malocclusion and orthodontic treatment need in 10-year-old New Zealand children

Australasian Orthodontic Journal

This work is licensed under the Creative Commons Attribution 4.0 International License.

The need for orthodontic treatment was determined in a random sample of 10-year-old Dunedin, New Zealand schoolchildren using the Dental Aesthetic Index (DAI);...

Prevalence of malocclusion and orthodontic treatment need in 10-year-old New Zealand children

Published Online: Dec 15, 2023

Page range: 1 - 8

Received: Dec 01, 1998

Accepted: Aug 01, 1999

DOI: https://doi.org/10.2478/aoj-2000-0001

© 2000 Mark Johnson et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.