Fig.5: Following implant placement, a buccal flap is raised to reveal bone defect.  T: thread portion of the soft tissue-level implant; R: rough portion of the implant (supposed to contact crestal bone); S: smooth portion (supposed to contact the gingiva).  Osteogen is then placed over the thread and rough portions of the implant, followed by coverage with collagen membrane.

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Xin Wei, DDS, PhD, MS 1st edition 03/30/2013, last revision 12/09/2018