A 31-year-old man presents with a chronic draining sinus at the inferior margin of his jaw. He also has low-grade mandibular bone pain several weeks after the extraction of a molar in the area. This history is typical of which of the following?

Question

Quizplus · Accepted Answer

Actinomycosis is characterized by the formation of chronic draining sinuses, often in the jaw area, following dental procedures or trauma. It is caused by Actinomyces bacteria, which are normal flora of the mouth but can cause infection if they penetrate the mucosal barriers.

A 31-Year-Old Man Presents with a Chronic Draining Sinus at the Inferior