Objective To assess the need of orthodontic treatment in the adolescents of Xi′an city by using the index of orthodontic treatment need (IOTN).
目的应用含美观量表的正畸治疗需求指数评价西安市正畸最适龄儿童在牙齿健康及牙齿美观基础上的治疗需求。
Objective To assess the need of orthodontic treatment in the adolescents of Xi′an city by using the index of orthodontic treatment need (IOTN).
目的应用含美观量表的正畸治疗需求指数评价西安市正畸最适龄儿童在牙齿健康及牙齿美观基础上的治疗需求。
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