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[目的]了解贵州省南部磷矿区城乡不同年龄组人群口腔健康现状,探讨口腔疾病患病特点和规律。[方法]采用多阶段分层等容量随机抽样的方法,按照WHO《口腔健康调查基本方法》(第4版)的要求,对贵州省南部磷矿区4、12、30～40、60～70岁4个年龄组的人群进行抽样调查。[结果]4岁组乳牙患龋率为81.26%,龋均为5.57,农村明显高于县城。12岁组:患龋率为56.26%,龋均为2.94。30～40岁组:患龋率为68.77%。龋均为4.02。60～70岁组:患龋率为77.38%,龋均为3.38。农村的中老年人患龋率和龋均远高于县城。11.25%的老年人为无牙颌。[结论]贵州省南部磷矿区儿童和成人的患龋率患龋情况比较严重,口腔卫生状况较差。加强口腔健康教育,提高全人群的口腔健康意识,推广适宜的牙防技术十分重要。
[Objective] The research aimed to understand the status quo of oral health in urban and rural residents in urban and rural areas in southern Guizhou Province and explore the characteristics and regularity of oral diseases. [Methods] With multi-stage stratified random sampling method, according to the requirements of the WHO Oral Health Surveying Basic Methods (4th edition), 4,12,30-40 and 60-70 4-year-old population sample survey. [Result] The dental caries prevalence of 4-year-old group was 81.26% and the caries was 5.57. The rural area was significantly higher than the county seat. 12-year-old group: caries prevalence was 56.26%, caries were 2.94.30 to 40 years old group: prevalence of caries was 68.77%. Caries were 4.02.60 to 70 years old group: prevalence of caries was 77.38%, caries were 3.38. Middle-aged and elderly people in rural areas caries rates and caries are much higher than the county seat. 11.25% of the elderly are edentulous. [Conclusion] The prevalence of dental caries in caries-bearing children and adults in the phosphorite district in the southern part of Guizhou Province is relatively serious, with poor oral hygiene status. It is very important to strengthen oral health education, raise the oral health awareness of the entire population, and promote suitable dental defense technologies.