After tooth extraction (Fig.4), a medium-sized implant (4.5 mm, Fig.5 green) will be placed in the mesial socket, but the coronal end of the long axis of the implant (white line) will be in the middle of the socket for future restoration.  The gingival margin of the socket is also uneven (Fig.6 pink).  Purple dashed line: the superior border of the Inferior Alveolar Canal.

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Xin Wei, DDS, PhD, MS 1st edition 01/12/2019, last revision 12/26/2019