Objective:To appraise the obturation capability of bonded vertically fractured posterior tooth using 3 different detin adhesive by microleakage tests and scan electron microscopy(SEM) observation.
目的：通过染料渗透
扫描电镜观察对三种牙本质粘结剂粘结离体纵折后牙进行微渗
测试，评价其封闭性能。
Objective:To appraise the obturation capability of bonded vertically fractured posterior tooth using 3 different detin adhesive by microleakage tests and scan electron microscopy(SEM) observation.
目的：通过染料渗透扫描电镜观察对三种牙本质粘结剂粘结离体纵折后牙进行微渗测试，评价其封闭性能。
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