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论著:高分子树脂与玻璃离子在儿童恒磨牙窝沟封闭中的效果比较
Comparison of Macromolecule Resin and Glass Ionomer in Pit and Fissure Sealing for First Molar of Child
施乐 冯希平 吕进 李天豪 吴仲恺
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作者单位:上海市静安区牙病防治所
中文关键字:高分子树脂;玻璃离子;窝沟封闭
英文关键字:Macromolecule resin; Glass ionomer; Pit and fissure sealing
中文摘要:目的:比较高分子树脂与玻璃离子2种材料在窝沟封闭术中的操作性能与防龋效果。方法:327例8~9岁双侧下颌第一恒磨牙均已萌出且无龋齿的儿童,对其左、右下颌第1恒磨牙分别用3M树脂、GC玻璃离子行窝沟封闭术。分别于半年、1年、2年后复查比较2种材料的保存率与防龋效果。结果:应用2种材料进行窝沟封闭术的操作时间存在显著差异,2组治疗后的保存率存在显著差异,但患龋率无显著差异。结论:与玻璃离子相比,高分子树脂在窝沟封闭治疗中的流动性较好,注射器式使操作治疗更方便,操作时间更短,保存率更高。
英文摘要:Objective: To compare the operating performance and caries prevention effects of macromolecule resin and glass ionomer in pit and fissure sealing. Methods: A total of 327 children at the age of 8 9 whose first lower molars have emerged on both sides and with no dental caries have been randomly selected. The left and right molars of them underwent pit and fissure sealing using 3M resin and GC glass ionomer ,respectively, under the same operation conditions. The operating performance of the two types of materials were compared. All the children have been followed up for 2 years. Preserving rate and caries prevention effects were observed at half year, 1 year and 2 years after the operation. Results: There were significant difference in the operation time and preserving rate between the two groups, while there were no significant difference in caries prevalence rate between the two groups. Conclusions: Compared with glass ionomer, macromolecule resin has better liquidity, and owing to its injector type package, it is more convenient.
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