Retention of bone graft placed in the distal socket (Fig.1 *) is maintained by spreading setting acrylic into the edentulous undercut areas.  The bone graft placed in the distal socket appears to have been converted to the native bone 3.5 months postop (Fig.4).

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Xin Wei, DDS, PhD, MS 1st edition 02/18/2019, last revision 02/22/2020