Journal Article

An epidemiological survey using the Treatment Priority Index (TPI)

T Ugur, S Ciger, A Aksoy and A Telli

in The European Journal of Orthodontics

Published on behalf of European Orthodontics Society

Volume 20, issue 2, pages 189-193
Published in print April 1998 | ISSN: 0141-5387
Published online April 1998 | e-ISSN: 1460-2210 | DOI:
An epidemiological survey using the Treatment Priority Index (TPI)

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The purpose of this study was to evaluate the prevalence of malocclusion and to assess the need for orthodontic treatment among 6-10 year old Turkish primary school children. The Treatment Priority Index (TPI) was used to record and measure the malocclusions. The findings were that 40.38 per cent of the observed population showed normal occlusion, 21.85 per cent had minor manifestations of malocclusion and treatment need was slight, 25.17 per cent of the subjects showed definite malocclusion, 7,54 per cent had severe malocclusion and 5.06 per cent had a very severe handicap with a mandatory treatment requirement. Orthodontic treatment need increased between 6 and 10 years of age. No statistically significant difference was found between the mean TPI values of male and female subjects.

Journal Article.  0 words. 

Subjects: Restorative Dentistry and Orthodontics

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