Cyanocobalamin May be Beneficial in the Treatment of Recurrent Aphthous Ulcers Even When Vitamin B12 Levels Are Normal

OBJECTIVE: To evaluate the efficacy of cyanocobalamin treatment in patients having recurrent aphthous ulcers (RAUs) with normal or decreased serum vitamin B12 (cobalamin) levels. METHODS: Seventy-two patients with RAU were included in the study. In addition to serum cobalamin levels, hemanitic and biochemistrical parameters were measured. Patients with serum cobalamin levels