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After extraction (Fig.5), the middle of the septum (Fig.8a (axial section of the sockets)) will be sectioned (Fig.6, 8b,c) prior to initial osteotomy (Fig.7,8d). B: base of the septum.
Xin Wei, DDS, PhD, MS 1st edition 06/17/2017, last revision 06/17/2017