When the recemented crown at #6 is removed, the post is found to have been fractured. When the tooth is extracted, the socket walls are found intact. After moving the initial osteotomy (Fig.1) mesial, a 3.8x13 mm implant is placed (Fig.2).
Xin Wei, DDS, PhD, MS 1st edition 07/14/2020, last revision 07/18/2020