When the non-resorbable membrane is removed, the buccal aspect of the cuff of the angled abutment is not covered by bone graft or granulation tissue (Fig.12 C).  In fact, the membrane does not hold the bone graft in place as effectively as a provisional.

Single Drill Last Next Xin Wei, DDS, PhD, MS 1st edition 01/20/2017, last revision 08/03/2018