The rebonded crown at #7 debonds in a few days.  There is deep anterior overbite and buccal concavity (Fig.1 *).  63岁女折断右上2（图一），由于缺失多个后牙（右下局部托牙），保留效果可能不好，决定拔除植牙。

Aborted Shield Last Next

Xin Wei, DDS, PhD, MS 1st edition 10/28/2019, last revision 12/12/2020