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Er,Cr∶YSGG激光对老年人不同牙本质粘接强度的影响

刘艳,付强,贾兴亚,安欣

Journal of China Medical University（2017）

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Abstract
选取老年人正常牙本质和非龋性硬化牙本质的离体前磨牙各30颗,各自随机分为2组,分别使用传统高速涡轮牙钻和铒,铬∶钇钪镓石榴石(Er,Cr∶ YSGG)激光备洞、复合树脂充填.制备试件进行微拉伸强度测试和扫描电镜观察,结果提示Er,Cr∶ YSGG激光预备老年人正常牙本质和非龋性硬化牙本质的粘接强度均高于传统高速牙钻预备者,老年人硬化牙本质与复合树脂的粘接强度较正常牙本质低.
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