新疆乌鲁木齐市7~9岁维吾尔族儿童第一恒磨牙患龋情况调查

目的：了解新疆乌鲁木齐市7~9岁维吾尔族儿童第一恒磨牙患龋状况，为新疆维吾尔族儿童口腔卫生保健提供参考。方法：参照第3次全国口腔健康流行病学抽样调查方案，按照世界卫生组织《口腔健康调查基本方法》，由2名口腔科医师对新疆乌鲁木齐市1600名7~9岁维吾尔族儿童第一磨牙患龋情况进行检查并记录，采用SPSS16.0软件包进行数据分析，对检查结果进行χ²检验与t检验。结果：新疆维吾尔族儿童第一恒磨牙患龋率为26.50%，龋均0.44，其中女孩患龋率为30.00%，恒牙龋均0.47，男孩患龋率为22.98%，恒牙龋均0.41，女孩患龋率高于男孩(P<0.05)。随着年龄增长，维吾尔族儿童第一恒磨牙患龋率逐渐升高，9岁儿童患龋率显著高于7岁和8岁儿童(P<0.05)。结论：新疆乌鲁木齐市维吾尔族小学生的第一恒磨牙患龋情况较为严重，应加强对维吾尔族儿童口腔卫生保健的早期健康宣传与指导。

Caries prevalence of the first permanent molar among 7-9 years old Uygur children in Urumqi,Xinjiang Autonomous Region

PURPOSE: To investigate the caries status of the first permanent molar among 7-9 years old Uygur children in Urumqi, Xinjiang Autonomous Region, and provide bases for the oral health care of children in Urumqi. METHODS: The study was conducted in a preschool in Urumqi, Xinjiang Autonomous Region, involving 1600 children aged among 7-9 years old. The dental caries of these children were examined by 2 general dentists according to the criteria of the Third National Epidemiological Survey in China. Data were analyzed by SPSS16.0 software package for χ² test and student’s t test. RESULTS: The prevalence of caries in the first permanent molar among these children was 26.50%, with a mean DMFT of 0.44. The caries prevalence in boys was 22.98% and 30% in girls (P<0.05). The DMFT in boys and girls was 0.41, 0.47, respectively. The caries prevalence increased along with the increase of age. The caries prevalence of 9-year-old children was significantly higher than that in 7 and 8-year-old children (P<0.05). CONCLUSIONS: The caries prevalence of the first permanent molar among 7-9 years old children in Urumqi, Xinjiang Autonomous Region is high. It is necessary to enhance the early guidance for the Uygur children to develop good oral health habits and status.