Fig. 3
From: Extraction socket sealing using palatal gingival grafts and resorbable collagen membranes

Socket sealing with a resorbable collagen membrane. a The first visit. b Implant placement. c Bio-Oss was transplanted to the labial dehiscence defect before the collagen membrane (Ossix) was covered and the wound was sutured. d Flap undermining was not performed to promote labial soft tissue contour maintenance, and the membrane where the upper part of implant was covered was intentionally left exposed. e Intraoral view 48 months after final prosthesis placement. f Periapical radiograph 72 months after final prosthesis placement