The prevalence of malocclusion in China--an investigation of 25,392 children.
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.


CONCLUSIONS
The prevalence of malocclusion among Chinese children had increased from 40% to 67% over the last 40 years.
Fu
Minkui
M
Department of Orthodontics, Peking University School of Stomatology, Beijing 100081, China.
Zhang
Ding
D
Wang
Bangkang
B
Deng
Yan
Y
Wang
Fohan
F
Ye
Xiangyu
X
D002648:Child; D002675:Child, Preschool; D002681:China / Q000453:epidemiology; D005260:Female; D006801:Humans; D008297:Male; D008310:Malocclusion / Q000145:classification / Q000453:epidemiology*; D008403:Mass Screening / Q000379:methods; D015995:Prevalence