窝沟封闭剂与沟壁釉质密合度的观察

被引:1
作者
杨是 [1 ]
王勤 [1 ]
李宏毅 [1 ]
王巧璋 [2 ]
机构
[1] 北京医学院附属口腔医院口腔内科教研组
[2] 中国医学科学院首都医院口腔科
关键词
D O I
暂无
中图分类号
R788.1 [];
学科分类号
100302 ;
摘要
<正> 窝沟是牙齿发育过程中遗留的缺陷,是龋齿的好发部位。据调查北京部分地区学龄儿童龋患率达80%以上,其中第一恒磨牙窝沟龋占70%以上。因此,研究学龄儿童的防龋措施应以窝沟为主要对象。预防龋齿的方法很多。氟化物能降低釉质平滑面龋的研究在国内外已有很多报道。而对
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