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When the patient returns 1.5 months postop, the provisional has been fractured (Fig.8 lingual view). The abutment is loose. Intraop analysis of a PA shows existence of the peri-implant defect (Fig.7). When the abutment is removed, the implant is found to be stable.
Xin Wei, DDS, PhD, MS 1st edition 01/20/2016, last revision 11/09/2018