Assessment of orthodontic treatment need in 11- to 20-year-old urban Iranian children using the Dental Aesthetic Index (DAI)

Eslamipour, Faezeh, Borzabadi Farahani, Ali and Asgari, Imaneh 2010. Assessment of orthodontic treatment need in 11- to 20-year-old urban Iranian children using the Dental Aesthetic Index (DAI). World Journal of Orthodontics 11 (4) , e125-e132.

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Abstract

Aim: To determine with a cross-sectional study the prevalence of orthodontic treatment need using the Dental Aesthetic Index (DAI). Subjects and methods: Using a stratified sampling method in private and public schools in Isfahan, Iran, 748 subjects were examined and divided into three age groups: 11 to 14, 14 to 17, and 17 to 20 years (355 females and 393 males, 15.11 ± 2.23 years), including 20 subjects with history of orthodontic treatment. DAI scores were recorded in those without history of orthodontic treatment (n=728, 340 females and 388 males). The proportions of subjects within sexes needing treatment, as defined by having DAI scores of at least 31, were compared using the chi-square test. The chi-square test was also used to test for any difference for DAI treatment categories in different age groups and also to test for sex dimorphism. Results: The mean DAI score was 26.14 (SD=7.64) points (95% CI, 26.60 to 26.72). On the whole, 54.5% showed no need or slight need for treatment. In 23.6%, the need for treatment was elective. However, in 11.0%, treatment was highly desirable and 10.9% showed very severe malocclusions and treatment was mandatory. There was a significant difference between sexes with regard to DAI treatment need categories (chi-square=10.10, df=3, P<.05). There was no significant difference between different age groups with regard to DAI treatment categories (P>.05). Conclusion: According to our findings, 21.8% of the evaluated Iranian school children in our sample had a DAI score above or equal to 31 points, suggesting highly desirable or mandatory orthodontic treatment need.

Item Type:	Article
Status:	Published
Schools:	Dentistry
Publisher:	Quintessence Publishing
ISSN:	1941-6741
Date of First Compliant Deposit:	24 October 2024
Date of Acceptance:	2009
Last Modified:	10 Dec 2024 15:45
URI:	https://orca.cardiff.ac.uk/id/eprint/173322

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