Inflammation of the Marginal Gingiva and Recalcitrant Endodontic Disease - Case Studies

What are the common causes of a sinus tract near the marginal gingiva?

Patient: 61 year-old female with hypothyroidism (2010)

Chief Complaint: gum swelling with drainage (2010)

Dental History: The patient reported a history of temporomandibular joint disease and a recent draining fistula associated with the buccal marginal gingiva of the right mandibular first molar (tooth #30). No recent restorative dentistry had been performed in the sextant and the PFM crown on tooth #30 had been placed before the year 2000.

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