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目的:探讨新疆乌鲁木齐市7~9岁维吾尔族儿童第一恒磨牙窝沟封闭2年后的临床效果,分析窝沟封闭剂的2年保留率。方法:对乌鲁木齐市7~9岁457名维吾尔族儿童的1499颗新萌出第一恒磨牙进行窝沟封闭,并对封闭后6、12、24个月的封闭剂保留情况和罹患龋病情况进行观察及记录,应用SPSS 16.0软件包对检查结果进行x~2检验和t检验。结果:457名新疆维吾尔族儿童窝沟封闭术后6、12、24个月的窝沟封闭剂完全保留率分别为98.33%、92.71%和88.93%,患龋率分别为0%、0.63%和1.15%。结论:对新疆乌鲁木齐市7~9岁维吾尔族儿童的第一恒磨牙进行窝沟封闭,预防窝沟龋效果好,值得大力推广。
Objective: To investigate the clinical effect of first permanent molars and fissure septa after two years of occlusion in Urumqi, Xinjiang Uygur children from 7 to 9 years old, and to analyze the two-year retention rate of fissure sealant. Methods: 1499 newly erected permanent molars of 457 Uighur children aged 7-9 years old in Urumqi were treated by pit and fissure sealant, and the occlusive conditions of 6,12,24 months after occlusion and the caries were evaluated Observation and record, the application of SPSS 16.0 package on the test results for x ~ 2 test and t test. Results: The complete retention rates of pit and fissure sealant at 45th, 52th, 64th month after fistula closure in Xinjiang Uigur were 98.33%, 92.71% and 88.93%, respectively. The caries prevalence rates were 0%, 0.63% and 1.15%. CONCLUSION: It is worthwhile to promote the pit and fissure occlusion of the first permanent molars of Uygur children aged 7-9 years old in Urumqi, Xinjiang.