The buccal gingiva over the tooth #13 (Fig.1 white *) with crack (Fig.2 (mesial view of the extracted tooth)) is erythematous with deep buccal (B) pockets, which do not appear to extend the level of exostosis of the neighboring teeth (Fig.1 black *), i.e., coronal to the apical end of the crack with granulation tissue (Fig.2 *).
Xin Wei, DDS, PhD, MS 1st edition 05/16/2017, last revision 02/18/2018