Due to coronavirus and prolonged placement of a healing abutment with poor oral hygiene, the buccal gingiva of the implant is erythematous 1 year postop (Fig.8 healing cap just removed) with bone loss (Fig.9,10 *).  Sticky bone seems to be necessary.  A 6x5 mm abutment with slots will be placed to hold periodontal dressing in place.  Regain Torque Last Next  手术 Xin Wei, DDS, PhD, MS 1st edition 09/24/2020, last revision 10/08/2020