Parallel PA (taken with sensor I) shows proximity of the healing abutment with the crestal bone (Fig.3). In spite of using a smaller cemented abutment, there is a gap between it and the implant, suggesting incomplete seating (Fig.4 < (use of sensor II)).  If the screw becomes loose in function, a 6.0 mm profile drill has to be used.

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Xin Wei, DDS, PhD, MS 1st edition 01/23/2020, last revision 03/16/2021