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The abutment should be at least one size smaller than the implant so that the crown margin can be seated on the implant (Fig.3 (3 abutments: 5x5 mm, 5x3 mm (straight), 5x10 degree (angled, blue)). The hole of the angled abutment for the abutment driver is off center. It has a prefabricated retention groove, whereas the retention groove for a straight abutment will be made clinically. The hole of the abutment driver is for a dental floss.
Xin Wei, DDS, PhD, MS 1st edition 07/11/2020, last revision 07/11/2020