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Two small pieces of onlay graft is harvested from the left ramus and fixed in the defects with pins (Fig.2), surrounded by allograft with PRF. Since the pin at #18 looks violating the Inferior Alveolar Canal (Fig.2 C), CT is taken.
Xin Wei, DDS, PhD, MS 1st edition 12/19/2019, last revision 04/21/2020