A case is reported of a man who had a lesion on each cheek due to a sinus, originating in an apical abscess of a tooth. This is, to our knowledge, the first recorded case of bilateral odontogenous sinuses.
HYMAN AB, BROWNSTEIN MH. Bilateral Odontogenous Sinuses. Arch Dermatol. 1966;93(6):718–719. doi:10.1001/archderm.1966.01600240084015