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A 4 mm tissue punch is used for access, followed by 1.6 mm pilot drill (Fig.3). After trajectory adjustment, a 2 mm parallel pin is inserted (Fig.4); later the osteotomy is moved distally with a Lindamann bur (arrow).
Xin Wei, DDS, PhD, MS 1st edition 03/01/2015, last revision 03/01/2015