In fact, the fistula remains with minimal exudate, 8.5 months post cementation.  Open debridement is performed, followed by bone graft with PRF (Fig.17).   A localized buccal plate defect is found until the implant surface.  Clindamycin is applied before bone graft.

How to Close Fistula Last Next

Xin Wei, DDS, PhD, MS 1st edition 04/01/2016, last revision 05/27/2018