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

Figure 1

Clinical intraoral photographs. (a) Gingival swelling over the buccal region of tooth 30 (see the dark arrow) and healthy gum of tooth 29. (b) A 10-mm pocket in the buccal furcation of tooth 30 at the initial visit. (c) A 4-mm furcal pocket of tooth 30 in three-month follow-up after operation. (d) At 7-month recall, the furcal probing depth of tooth 30 lessened to about 2 mm.

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