Retention of bone graft (Fig.1 *) is maintained by spreading setting acrylic into the edentulous undercut areas (Fig.2 *).  The so called "acrylic dressing" remains in place 3 weeks postop (Fig.8).  When it is removed with high-speed handpiece, the wound heals (Fig.3).  Note the limited vertical height.

High Torque Last Next Xin Wei, DDS, PhD, MS 1st edition 11/20/2018, last revision 11/20/2018