Provisional restorations are seated/cemented to keep the bone graft and collagen membrane in place securely (Fig.11 P).  There is no occlusal contact for the provisional.  Temporary abutments may be most secure in keeping provisional and therefore bone graft in place.

Hemisection

Xin Wei, DDS, PhD, MS 1st edition 04/14/2015, last revision 04/14/2015