After making incision around the healed socket at #21, osteotomy is initiated free hand (Fig.1: 12 mm), double checked with the lower RPD.  The yellow, red and pink dashed lines represent the Inferior Alveolar Canal, Mental Loop and Incisive Canal, respectively.

RPD as Surgical Stent Next

Xin Wei, DDS, PhD, MS 1st edition 03/02/2018, last revision 07/12/2018