Other Research Study ✓ Peer reviewed

Anemia, hematinic deficiencies, hyperhomocysteinemia, and serum gastric parietal cell antibody positivity in recurrent aphthous stomatitis patients with vitamin B12 deficiency.

Journal of dental sciences · Wang YP, Lee YP, Wu YH, Chang JY, Sun A, Chiang CP · 2026-10-01

Patients with recurrent aphthous ulcers and vitamin B12 deficiency showed significantly higher rates of anaemia, iron deficiency, elevated homocysteine, and gastric parietal cell antibodies compared to healthy controls, though pernicious anaemia accounted for only 13.3% of these cases.

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