大庆市12岁儿童恒牙患龋情况调查分析

A survey and analysis of Permanent teeth caries in 12-year-old children in Daqing city

目的了解大庆市12岁学生龋病患病情况及发展趋势,为大庆市口腔卫生保健工作及龋病的防治工作提供科学依据。方法于2010年12月至2011年12月对大庆市所属的5个行政区,每个区1所中学,每所中学2个班级,采用分层、等容量、整群随机抽样的方法抽取510名12岁学生,进行连续2年的龋病流行病学调查,并对结果进行统计分析。结果大庆市12岁学生2年患龋率分别为27.06%和32.11%,患龋率比较差异无统计学意义(P>0.05);龋齿充填率分别为9.5%和15.1%,差异有统计学意义(P<0.05);2010年和2011年龋均分别为0.58和0.68,差异无统计学意义(P>0.05)。2010年男女患龋率分别为21.43%和30.43%,差异有统计学意义(P<0.05);2011年男女患龋率分别23.33和39.19%,差异亦有统计学意义(P<0.005);2年男性患龋率分别为21.43%和23.33%,差异无统计学意义(P>0.5);女性患龋率分别为30.43%和39.19%,差异有统计学意义(P<0.025)。结论大庆市12岁学生患龋率不高,随年龄的增长成上升趋势;女性患龋率增长的速度大于男性。龋齿充填率低。

Objective To investigate the current statues of caries in permanent teeth and development trend of the dis- ease among 12-year-old students in Daqing, and to provide scientific fundation to guide the oral health. Methods A total of 510 students were randimly selected in Daqing for disease epidemiology investigation .The results were ana- lyzed by using statistical software SPSS17.0 . Results The prevalence of caries was 27.06%和 32.11%, which showed no difference（P 〉 0.05）.The filling rate of students in 2011 （ 15.1% ）was higher than that in 2010（9.5%） （P 〈 0.05）.The DMFT was 0.58±0.77 和1 0.68±0.98 , which showed no difference （P〉 0.05）. The prevalence of caries of female （30.43%）was higher than male（21.24%） （P〈 0.05）. Conclusion The caries rate is at low level among 12-year-old students in Daqing, which increaseds with age. The growth rate of caries in female is higher than in male. Dental caries filling rate is low.