A 43-year-old male with a history of diabetes mellitus presented with solitary ulcer on both buccal mucosa. Dorsum of the tongue shows an area of papillary atrophy close to the junction of anterior two-third and posterior one-third of the tongue surrounded by an area of regenerating papillae. Bilateral angular cheilitis was noted. A solitary ulcer with ragged borders and tissue tags was present on both sides of mucosa corresponding to the sharp teeth margins. Intraorally poor oral hygiene was noted along with complete attrition of teeth [].\nDifferential diagnosis: Geographic tongue (related to psychosomatic disorders) and traumatic ulcers.
A 50-year-old female with history of diabetes mellitus and hypertension presented with ulcers on her lower lip. Lower lip appears to be swollen. A necrotic area on the lower lip extending from the right lateral incisor to the left commissure. Whitish pseudomembrane along with neighboring erosive areas close to the midline along with bloody encrustations on the left side closer to the commissure [].\nDifferential diagnosis: Traumatic ulcer with bloody encrustations (history of intubation).