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目的了解广州市白云区城乡结合部6~8岁小学生龋病流行情况,为防治龋病提供基本资料和科学依据。方法采用整群抽样以及随机抽样方法,按照《第三次全国口腔健康流行病学调查方案》的原则,对白云区城乡结合部的部分小学二年级6~8岁儿童进行口腔健康检查,并对结果进行统计学分析。结果检查的1175名6~8岁儿童当中,乳牙患龋率为75.6%,乳牙龋均为3.66;第一恒磨牙萌出率为88.5%,第一恒磨牙患龋率为14.4%,随着年龄增长第一恒磨牙患龋率明显升高。结论广州市白云区城乡结合部儿童患龋率高于全国平均水平,第一恒磨牙的患龋率提示应提早做好龋齿预防措施。
Objective To understand the prevalence of dental caries among pupils aged 6 ~ 8 in Baiyun District, Guangzhou City, and to provide basic information and scientific basis for the prevention and treatment of dental caries. Methods According to the principle of “the Third National Oral Health Epidemiology Investigation Plan”, the method of cluster sampling and random sampling was used to examine the oral health of some second-grade children aged 6-8 years in the urban-rural part of Baiyun District, Results were statistically analyzed. RESULTS: Among the 1175 children aged 6-8 years, the primary caries prevalence was 75.6% and the primary caries were 3.66. The first permanent molars ’eruption rate was 88.5%. The first permanent molars’ caries rate was 14.4%. With age The growth rate of the first permanent molar tooth caries was significantly higher. Conclusion The caries prevalence of children in urban-rural areas in Baiyun District, Guangzhou is higher than the national average. The prevalence of caries in the first permanent molars suggests that preventive measures should be taken early.