Fig.5 (CBCT axial section): The socket is wider bucco(B)-palatally (P) than mesiodistally.  The palatal and mesiobuccal roots are fused.  There is bone loss mesially.

Fig.6 (CBCT coronal section): A 6x10 mm implant is to be placed with bone graft in the buccal and palatal gaps (red circles). 

Implant in the Middle of the Socket

Xin Wei, DDS, PhD, MS 1st edition 12/09/2015, last revision 12/09/2015