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When the tooth #17 is extracted (Fig.9), collagen plug is inserted into the root portion of the sockets (Fig.10: 1 (white outline)), Vanilla graft is placed against the distal surface of #18 (2 (red outline)) and Osteogen plug (3 (green outline)) is placed coronally (3 steps).
Xin Wei, DDS, PhD, MS 1st edition 08/01/2020, last revision 08/01/2020