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[目的]了解贵州省老年居民(65～74岁)恒牙患龋病的情况。为进一步开展口腔预防保健提供参考依据。[方法]采用多阶段分层等容量随机抽样的方法,抽取贵州省65～74岁城乡常住人口792人,男女各半。按《第3次全国口腔健康流行病学抽样调查方案》中临床检查牙状况的检查方法和标准,使用CPI探针检查全口恒牙牙冠龋病情况。对其中的396人进行了问卷调查。数据采用SPSS软件统计,计算出患龋率、龋均,并进行了问卷调查与龋病的相关分析。[结果]贵州省老年的年龄组居民无牙颌为8.1%,城乡、男女无差异。患龋率为67.6%,农村高于城市,两者之间差异有统计学意义(χ2=30.70,P﹤0.05);男性患龋率低于女性,两者差异有统计学意义(χ2=16.18,P﹤0.05)。龋均为(2.90±3.44),农村高于城市,城乡间差异有统计学意义(t=8.31,P﹤0.05);女性龋均高于男性,两者差异有统计学意义(t=6.54,P﹤0.05)。生活在农村、女性、12月前有牙痛史与患龋呈正相关关系,而收入大于1万元、没有吸烟、有喝茶史、有刷牙史及用牙签清理牙齿与患龋呈负相关关系。[结论]贵州省老年人恒牙龋患率和DFMT低于全国水平,但应重视贵州老年人冠龋的防治,采取各种保健措施,尤其应改善农村口腔卫生条件,以维护和促进口腔健康。
[Objective] To understand the prevalence of dental caries among elderly residents (65-74 years old) in Guizhou Province. To provide a reference for further oral preventive health care. [Method] A multi-stage stratified random sampling method was used to extract 792 permanent urban-rural population of 65-74 years old in Guizhou Province. According to the “Third National Oral Health Epidemiology Sampling Survey” clinical examination of the dental check-up methods and standards, the use of CPI probe to detect full-mouth permanent teeth dental caries. 396 of them conducted a questionnaire survey. The data were analyzed by SPSS software, the caries prevalence and caries were calculated, and the correlation between questionnaire and caries was analyzed. [Results] The resident age of the residents in Guizhou province was 8.1% of the edentulous. There was no difference between urban and rural areas and between men and women. The prevalence of dental caries was 67.6% in rural areas and higher in rural areas than in urban areas (χ2 = 30.70, P <0.05). The prevalence of dental caries in males was lower than that in females (χ2 = 16.18 , P <0.05). (T = 8.31, P <0.05). The caries of female was higher than that of male, the difference was statistically significant (t = 6.54, P <0.05). Living in rural areas and women, there was a positive correlation between the history of toothache and caries pre-December, while the income was more than 10,000 yuan. There was no smoking, tea drinking history, brushing history and teeth cleaning with tooth decay. [Conclusion] The prevalence of permanent dental caries and DFMT in the elderly in Guizhou province are lower than the national level. However, the prevention and treatment of coronary caries in the elderly in Guizhou should be taken seriously. Various health measures should be taken, especially the oral hygiene in rural areas should be improved to maintain and promote oral health.