Fig.2: T: 4.5x20 mm tapered tap at the site of the upper right 2nd molar; ^: sinus floor; 3: 7x17 mm tapered implant previously placed at the site of the upper right 1st molar; C: crown.

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Xin Wei, DDS, PhD, MS 1st edition 04/29/2014, last revision 01/19/2018