The nervous patient is not pleased with lengthy free hand procedure and pressure from sinus lift in spite of seemingly sufficient anesthesia (Fig.2). Later the implant is placed deeper ~ .5 mm for restoration because of the short vertical dimension. The threads remain subcrestal, while bone graft keeps supracrestal (Fig.5 *). In spite of severe occlusal wear, the patient refuses night guard.
Xin Wei, DDS, PhD, MS 1st edition 12/14/2019, last revision 12/14/2019