大连开发区7～9岁儿童龋病患病状况及相关因素分析

Prevalence and related factors of dental caries in 7-9-year-old children in the Development District in Dalian

目的:了解大连开发区7～9岁儿童龋病患病状况及影响因素。方法:采用多阶段、整群随机抽样方法,抽取3所小学全部7～9岁学生进行口腔健康检查和问卷调查。口腔健康检查参照第三次全国口腔健康流行病学调查的方法和标准,问卷内容包括口腔健康知、信、行和社会经济因素。结果:样本量1160人。乳牙龋病患病率84.9%,龋均4.44,不同年龄组患龋率间差异有统计学意义(P<0.05)。恒牙龋患病率19.7%,龋均0.33。多元线性回归分析结果显示儿童生活地(P<0.05)、家庭月收入(P<0.05)、父亲学历(P<0.05)与龋病患病程度相关。结论:大连开发区学龄儿童龋病患病状况较严重,龋病患病程度与社会经济因素相关。

Objective： To investigate the prevalence and related factors of dental caries in 7 -9-year-old children in the Development District in Dalian. Methods： A multi-stage, cluster sampling method was used. Oral examinations were performed by two calibrated dentists according to the criteria and methods used in the Third Chinese National Oral Health Survey. The structured questionnaire in- cluded information on socioeconomic status, oral hygiene habits, dietary habits and oral health knowledge. Results： Th~ study sample included 1 160 school children. The prevalence of primary caries experience was 84.9% , and the mean dmft score was 4.44. The cor- responding data of permanent teeth were 19.7% and 0.33 respectively. Multiple regression analysis showed that children＇s residence （ P 〈 0.05 ） , father~ education level（ P 〈 0.05 ） and family monthly income （ P 〈 0.05 ） were significantly related to the sum of DMFT and dmft scores. Conclusion： The prevalence and severity of dental caries of school children in Dalian are high and socioeconomic fac- tors are significantly related.