The red lines in Fig.4 (CT coronal section) represent bony cuts in the ridge.  A transverse incision is made over the top of the ridge with minimal exposure of the ridge.  A curved osteotome is inserted into the upper bony cut (Fig.5). B: buccal; N: Inferior Alveolar Nerve.

Ridge Split

Xin Wei, DDS, PhD, MS 1st edition 11/16/2014, last revision 11/17/2014