obturation

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.

通过染料透实验和扫描电镜观察对三种牙本质粘结剂粘结离体纵折后牙进漏试，封闭性能。