作者用新拔除的63颗乳牙(切牙15颗,磨牙48颗)。磨去颊面釉质1.5mm,备成平直的牙本质面,分别涂Scotehbond2,All-Bond和Amalgambond,在圆模中用复合树脂修复,光固化40秒。处理的标本存于37℃ The author with a new removal of 63 deciduous teeth (incisor 15, molar 48). The enamel of the buccal surface was ground off to a depth of 1.5 mm to form a flat dentin surface. Scotehbond2, All-Bond and Amalgambond were respectively applied and repaired with a composite resin in a circular mold for 40 seconds. Treated specimens were stored at 37 ° C