Aphthae

APHTHAE (from Greek aphtha-ulcer), superficial, painful ulcers of the oral mucosa, less frequently of the external genital organs, properly round or oval, dish-shaped depressions with a yellow diphtheroid base and a bright red periphery. Histologically - a deep blister with coagulation necrosis. Simple aphthae are few in number, do not affect the general condition, last up to 2 weeks, and disappear spontaneously. Their infectious nature is possible. Acute and chronic dyspepsia, carious teeth, gingivitis, and stomatitis are predisposing causes. Treatment - oral hygiene, weak solutions of methylene blue. Bednar's aphthae - large, symmetrically located on the palate on either side of the suture, prone to ulceration and complication by symbiosis with bac. Vincenti, occur almost exclusively in cachectic infants. The etiology is unclear. Treatment - improvement of the general condition, locally - weak antiseptics, especially arsbenzol.