The nervous patient is not pleased with lengthened procedure and pressure from sinus lift in spite of seemingly sufficient anesthesia (Fig.3 >). Later the implant is placed deeper ~ .5 mm for restoration. The sinus floor appears to be thickened (Fig.4 > with apparently increased bone density), while the original sinus floor becomes indistinct 3.5 months postop. The unipost cannot be removed for cementation.
Xin Wei, DDS, PhD, MS 1st edition 12/14/2019, last revision 02/16/2020