Aphthae

Symptoms Aphthae are usually small, approximately lentil-sized, white to yellow fibrin-covered, flat erosions and ulcerations of the oral mucosa. The marginal region is slightly raised and reddened. Aphthae occur in one or more locations and are particularly painful on contact with acidic or spicy foods. The so-called herpetiform aphthae are smaller and more numerous than … Aphthae