Fig.6: One month after extraction, an implant is placed (I). In fact with bone expansion and sinus lift (no drill), bone is pushed upward into the sinus with placement of the implant (yellow outline in Fig. 6 as compared to original sinus the floor (red outline)).

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Xin Wei, DDS, PhD, MS 1st edition 04/20/2013, last revision 04/20/2013