The grafted site, especially at the crest, must be expandable.  With 3.5 mm osteotomy, the palatal bone should be able to be pushed into the low density area when a 4.5 mm implant is being placed.

Palatal Graft  Last  Next

Xin Wei, DDS, PhD, MS 1st edition 08/05/2021, last revision 08/05/2021