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Before placement of a 4.5x11.5 mm final UF implant, allograft is placed in the 3 defective bony areas mentioned above, including the apical mesial one (Fig.6 *). But the final UF implant seems too short with non-satisfactory torque. S: graft lost in the sinus.
Xin Wei, DDS, PhD, MS 1st edition 09/27/2019, last revision 03/13/2020