The prevalence of malocclusion in China--an investigation of 25,392 children / 中华口腔医学杂志

ABSTRACT

<p><b>OBJECTIVE</b>To investigate the prevalence of malocclusion in China.</p><p><b>METHODS</b>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.</p><p><b>RESULTS</b>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.</p><p><b>CONCLUSION</b>The prevalence of malocclusion among Chinese children had increased from 40% to 67% over the last 40 years.</p>