CAJ | 학술논문

目的了解重庆市巫山和奉节2个县8～12岁儿童氟斑牙流行现状及分布特征,为氟斑牙防治工作提供科学依据.方法 2010年,采取整群随机抽样的方法,在巫山、奉节2个县各抽取20、18个乡(镇)作为调查点,用Dean法对抽中乡(镇)的所有8～ 12岁儿童进行氟斑牙检查,计算并比较2个县的儿童氟斑牙检出率、缺损率及氟斑牙指数.结果 2个县共调查8～12岁儿童38 209人,氟斑牙总检出率为43.09％( 16 466/38 209),巫山、奉节2个县氟斑牙检出率分别为48.98％(9397/19 186)、37.16％(7069/19 023),二者比较差异有统计学意义(x2=544.03,P＜0.01);8、9、10、11、12岁年龄组儿童氟斑牙总检出率依次为32.52％(2157/6632)、40.07％(2672/6668)、43.67％(3420/7831)、46.01％(3861/8391)、50.14％(4356/8687),各年龄组间比较差异有统计学意义(x2=510.50,P＜0.01)；巫山、奉节2个县8～ 12岁儿童氟斑牙指数分别为0.713、0.485,氟斑牙缺损率分别为4.05％(777/19 186)、1.57％(298/19 023).结论巫山和奉节2个县8～12岁儿童氟斑牙总检出率仍较高;随着年龄增长,儿童氟斑牙检出率逐渐升高；巫山县仍是氟斑牙流行区,奉节县则处于边缘区.
목적 료해중경시무산화봉절2개현8～12세인동불반아류행현상급분포특정,위불반아방치공작제공과학의거.방법 2010년,채취정군수궤추양적방법,재무산、봉절2개현각추취20、18개향(진)작위조사점,용Dean법대추중향(진)적소유8～ 12세인동진행불반아검사,계산병비교2개현적인동불반아검출솔、결손솔급불반아지수.결과 2개현공조사8～12세인동38 209인,불반아총검출솔위43.09％( 16 466/38 209),무산、봉절2개현불반아검출솔분별위48.98％(9397/19 186)、37.16％(7069/19 023),이자비교차이유통계학의의(x2=544.03,P＜0.01);8、9、10、11、12세년령조인동불반아총검출솔의차위32.52％(2157/6632)、40.07％(2672/6668)、43.67％(3420/7831)、46.01％(3861/8391)、50.14％(4356/8687),각년령조간비교차이유통계학의의(x2=510.50,P＜0.01)；무산、봉절2개현8～ 12세인동불반아지수분별위0.713、0.485,불반아결손솔분별위4.05％(777/19 186)、1.57％(298/19 023).결론 무산화봉절2개현8～12세인동불반아총검출솔잉교고;수착년령증장,인동불반아검출솔축점승고；무산현잉시불반아류행구,봉절현칙처우변연구.
Objective To investigate the prevalence and distribution characteristics of dental fluorosis of children aged 8 - 12 in Wushan and Fengjie counties of Chongqing and to provide a scientific basis for prevention and control of the disease.Methods Twenty townships(towns) in Fengjie county and 18 in Wushan county were selected as survey points by random cluster sampling in 2010.Dental fluorosis of all the children aged 8 - 12 was examined with Dean index.The detection rate of children's dental fluorosis,defect rate and dental fluorosis index were compared between the two counties.Results Totally 38 209 children aged 8 - 12 were investigated.The total detection rate of dental fluorosis was 43.09％( 16 466/38 209) in the two counties.The detection rates of dental fluorosis in Wushan and Fengjie were 48.98％ (9397/19 186)and 37.16％(7069/19 023),respectively,and the difference was statistically significant(x2 =544.03,P ＜ 0.01 ).Total detection rates of dental fluorosis of the five age groups(8,9,10,11,and 12-year-old age groups) were 32.52％(2157/6632),40.07％(2672/6668),43.67％(3420/7831 ),46.01％ (3861/8391) and 50.14％ (4356/8687),respectively,and the difference was statistically significant (x2 =510.50,P ＜ 0.01),Dental fluorosis indexes in Wushan and Fengjie were 0.713 and 0.485,respectively.Defect rates of dental fluorosis in Wushan and Fengjie were 4.05％ (777/19 186) and 1.57％(298/19 023),respectively.Conclusions The total detection rate of dental fluorosis of the two counties is still high,which gradually increases with age.Wushan is still an endemic area of dental fluorosis,and Fengjie is at the edge of the