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The sinus membrane remains intact; after sinus lift with Vera allograft mixed with autogenous bone, a 5x11 mm IBS implant is placed with < 40 Ncm (Fig.4,5). The implant is slightly apical to the crest to get better implant/crown ratio. Sufficient bone graft will be placed to reduce the chance of peri-implantitis.
Xin Wei, DDS, PhD, MS 1st edition 10/02/2017, last revision 08/15/2018