Rare Periodontal Ligament Drainage for Periapical Inflammation of an Adjacent Tooth: A Case Report and Review of the Literature

Figure 3

Intraoperative photographs. (a) Osseous destruction region did not involve the root apex of tooth 30. (b) Osseous destruction region around the root apex of tooth 29 penetrated through periodontal ligament of the mesial root and involved the furcation area of tooth 30. (c) Osseous destruction region was filled with Bio-Oss Collagen.

(a)

(b)

(c)