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The buccal gingival defect is repaired the buccal (Fig.5 B) and septal (S) gingiva and PRF membranes (M) over a large cemented abutment (A). If the PRF membranes do not form the gingival tissue in this case, gingival graft should be supplemented for future cases.
Xin Wei, DDS, PhD, MS 1st edition 04/23/2017, last revision 04/22/2018