Fig.4: Twenty months post CBCT, 15 months post #15 immediate implant and 3 months prior to abscess, the tooth #14 starts having symptoms, consistent with periradicular radiolucency associated with the palatal (P) and the mesiobucal roots. 

Socket Preservation

Xin Wei, DDS, PhD, MS 1st edition 06/25/2015, last revision 06/25/2015