al-Emran S, Wisth P J, Böe O E
Department of Orthodontics, University of Sheffield, United Kingdom.
Community Dent Oral Epidemiol. 1990 Oct;18(5):253-5. doi: 10.1111/j.1600-0528.1990.tb00070.x.
The prevalence of different malocclusion features was investigated in 500 14-yr-old male Saudi Arabian children, using a modification of the registration method described by Björk et al. (3). Most of the children were in dental stage DS4 (all permanent teeth anterior to the first molars erupted). Totally 62.4% of the children had one or more malocclusion features related to dentition, occlusion, or space. The treatment need was evaluated according to the guidelines used in the Norwegian Health Service. About 40% were found to need treatment with fixed appliances, and for 33% extraction of permanent teeth would be part of the treatment. Only about 2.5% would benefit from treatment with simple removable appliances.
采用对Björk等人（3）所描述的记录方法进行改良的方式，对500名14岁沙特阿拉伯男性儿童的不同错颌特征患病率进行了调查。大多数儿童处于牙齿发育阶段DS4（第一磨牙之前的所有恒牙均已萌出）。共有62.4%的儿童存在与牙列、咬合或间隙相关的一种或多种错颌特征。根据挪威卫生服务部门使用的指南评估治疗需求。发现约40%的儿童需要使用固定矫治器进行治疗，33%的儿童治疗方案中将包括拔除恒牙。只有约2.5%的儿童会从简单可摘矫治器治疗中获益。
