With underdrilling at #30 (4x10 and 4x11.5 instead of 4.5x10 and 4.5x11.5), primary stability is high. So is #28. Abutments are placed for periodontal dressing (Fig.5).
Wide Ridge Last Next
Xin Wei, DDS, PhD, MS 1st edition 04/30/2021, last revision 05/01/2021