The patient returns 3 days postop before leaving abroad.  The 6-month membrane remains in place (Fig.4), while one or two 5-0 PGA sutures dislodge distobuccally.牙尖特别尖，长，容易折裂。

Condenser Last Next

Xin Wei, DDS, PhD, MS 1st edition 09/27/2019, last revision 10/02/2020