OBJECTIVE: To investigate the prevalence of malocclusion in China. METHODS: Based on individual normal occlusion and Angle's classification of malocclusion, standard investigation form was made. 25,392 children of different dental ages were evaluated by orthodontic professionals. RESULTS: The prevalence of malocclusion among Chinese children was 67.82%. The prevalence of malocclusion among children with different dental age and the proportion of the different types of malocclusions were revealed. CONCLUSION: The prevalence of malocclusion among Chinese children had increased from 40% to 67% over the last 40 years.
OBJECTIVE: To investigate the prevalence of malocclusion in China. METHODS: Based on individual normal occlusion and Angle's classification of malocclusion, standard investigation form was made. 25,392 children of different dental ages were evaluated by orthodontic professionals. RESULTS: The prevalence of malocclusion among Chinese children was 67.82%. The prevalence of malocclusion among children with different dental age and the proportion of the different types of malocclusions were revealed. CONCLUSION: The prevalence of malocclusion among Chinese children had increased from 40% to 67% over the last 40 years.
Authors: Xinhua Zhou; Ying Zhang; Yan Wang; Hao Zhang; Li Chen; Yuehua Liu Journal: Int J Environ Res Public Health Date: 2017-03-22 Impact factor: 3.390