When a 4.5x20 mm implant (Fig.9 I) is placed and allograft fills the coronal peri-implant space (Fig.10 *), the lamina dura is distinct (arrowheads).  Three months postop, the lamina dura is blurred, while new bone appears to have grown into the coronal threads of the implant (arrowheads).  (A: abutment; P: provisional).  Osteointegration is more obvious 9 months postop (Fig.17).

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Xin Wei, DDS, PhD, MS 1st edition 06/19/2013, last revision 04/02/2015