Allograft

A 43-year-old man requests #17 extraction (Fig.1,2); the tooth #18 has large periapical radiolucency at the distal root.  After SRP and extraction, Osteogen plug is placed in #17 sockets (Fig.3 P), while Vanilla Cancellous/Cortical Mix (allograft) 18 distal (*).  The wound is closed with 4-0 plain gut suture.  Similar to his son, he has crowding with #10 cross bite, #11 labioversion and a possible supernumerary tooth (11').  Seven months postop, not only does the periradicular radiolucency decrease around the distal root of the tooth #18 (Fig.4 *), but also the mesial and distal sockets of the 3rd molar heal (M, D).  The patient is concerned about the sensitivity of the tooth #18, which is stable with the healthy gingiva.  The sensitivity disappears 1 year postop, but there is a ~ 10 mm pocket distal of #18.  Endo ice test shows necrosis.  Endodontic referral is recommended.  If endodontic treatment is not practical, periodontal referral is next step with laser modality.

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2Xin Wei, DDS, PhD, MS 1st edition 10/02/2018, last revision 12/22/2019