A 75-year-old lady has advanced chronic periodontitis with possible necrosis associated with cervical defect; the tooth #25 has mobility.  Immediately post extraction, a 1.2 mm pilot drill is used ~ 14 mm subcrestal (Fig.2).

No Crestal Bone Resorption Expected Next

Xin Wei, DDS, PhD, MS 1st edition 11/26/2014, last revision 12/22/2018