Fig.5: CT taken less than a week after extraction shows that the bone is wide (between white >), whereas the height is limited (between yellow >).  A wide, but short implant is planned (white box: 6x11 mm).  The top end of the implant is protruded into the sinus, but still within the sinus membrane (soft tissue, between pink and red outlines). 

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Xin Wei, DDS, PhD, MS 1st edition 02/24/2013, last revision 02/24/2013