Investigation of malocclusion and orthodontic treatment proportion of middle school students in Hailing district, Taizhou city

Abstract

Abstract: PURPOSE: To investigate the prevalence of malocclusion and orthodontic treatment proportion of middle school students in Hailing district, Taizhou city. METHODS： Standard investigation form was made based on the individual normal occlusion and Angle’s classification of malocclusion. 9018 middle school students were investigated. SPSS 19.0 software package was used for Chi-square test. RESULTS: The prevalence of malocclusion was 69.38%. ClassⅠ, ClassⅡ and Class Ⅲ malocclusions were observed in 52.48%, 30.62% and 16.90% of the sample, respectively. The correction rate was lower than those reported for other cities. CONCLUSIONS: The findings of the investigation reveal the need to improve public health plans for orthodontic treatment and to increase the rate of correction in Hailing district, Taizhou city.

Key words: Malocclusion, Prevalence, Rate of correction, Angle classification

CLC Number:

R783.5

LI Wen-yan, FENG Li, TANG Bing, DUAN Yi-feng.. Investigation of malocclusion and orthodontic treatment proportion of middle school students in Hailing district, Taizhou city[J]. Shanghai Journal of Stomatology, 2016, 25(1): 105-107.

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