The incomplete abutment seating (Fig.5,7) is noted after retightening the loose cantilever FPD 1 year post cementation (Fig.9 <).  After removal of the FPD, the abutment is reseated  completely without interference of the proximal contacts (Fig.10).

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Xin Wei, DDS, PhD, MS 1st edition 06/18/2020, last revision 06/20/2020