CBCT taken 15 months post cementation shows that the implant is buccally placed (Fig.21 B), associated with possible postop buccal plate resorption (as compared to Fig.23 (coronal section of the site of #19).  The buccal plate is not only thinner than the lingual one, but also concave (Fig.22 <).  The tooth center (i.e., septum; Fig.23 T) is more buccally located than the center of the basal bone (B).  Considering the denser bone lingually, the initial osteotomy should be more lingually (^).  If the implant develops infection, it will be replaced by a more lingually placed implant (Fig.24 green).

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Xin Wei, DDS, PhD, MS 1st edition 01/14/2015, last revision 11/04/2018