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Fig.4 (intraop PA): A 6x17 mm tap (T) is placed 14 mm deep in the septum. Calculus is removed except one (<), which is removed before an implant is placed. The sinus floor has been lifted without air leakage.
Xin Wei, DDS, PhD, MS 1st edition 12/06/2014, last revision 12/06/2014