Abstract:

Objective    To investigate the oral health status of middle and primary school students in Lhasa of Tibet. Methods    Totally 803 students of four middle and primary schools in Lhasa of the Tibet were examined for their decayed teeth and dental fluorosis. Questions were used to collect the information about the frequency of tooth brushing，toothache and dental visits. Results    About 36.49%of them had decayed teeh，the prevalence of dental fluorosis being 82.69%；37.98% of them had the habit of brushing teeth，65.38% of them had toothache and 45.95% of them had dental visits. Conclusion    The oral health condition of the students of Lhasa is unsatisfactory and education about oral health should be strengthened in order to promote school-based oral health education program. 

Key words: students of middle and primary schools, dental caries, dental fluorosis

摘要：

目的    了解西藏拉萨市中小学学生龋病和氟斑牙患病状况以及口腔健康行为状况。方法    于2015年8月采用随机抽样原则结合分层抽样的方法，抽取拉萨市4所城乡中小学的803名学生进行口腔健康检查和问卷调查，检查项目包括龋病及氟斑牙患病情况，调查的健康行为包括刷牙频率、牙痛频率及牙科就诊频率。统计并计算出龋病患病率、氟斑牙患病率、刷牙率等。结果    拉萨市中小学学生龋病患病率为36.49%，氟斑牙患病率为82.69%，早晚刷牙率为37.98%，牙痛率为65.38%，牙科就诊率为45.95%。结论    拉萨市中小学学生龋病和氟斑牙的患病率显著高于内地水平，口腔健康维护显著低于内地水平，应加强口腔疾病预防和健康教育工作。

关键词: 中小学生, 龋病, 氟斑牙