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After placing PRF membrane (Fig.7 M) and plug (P) over the bone graft, Cytoplast (Fig.8 C: non-resorbable membrane) is used to assist wound closure. The buccal (B) bone is lower than the lingual (L) one.
The abutment wells are partially filled with cotton pellets so that periodontal dressing can be inserted to for further retention.
Xin Wei, DDS, PhD, MS 1st edition 03/30/2017, last revision 06/16/2019