Fig.4: Although a 7x14 mm implant (I) is placed distally, the coronal end is more or less near the center of the edentulous space.  A 6x3 mm abutment (A) is placed immediately for immediate provisional.  A fair amount of bone graft is going to be placed in the mesial (M) portion of the socket. 

When the patient returns for the definitive restoration 3.5 months postop, the immediate provisional has partially fractured.  There appears to be bone growth or the presence of bone graft in the mesial socket (Fig.8 *).

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Xin Wei, DDS, PhD, MS 1st edition 10/29/2015, last revision 12/25/2018