Common idiopathic disease affects 20% of people and is characterized by the occurrence Recurrent painful ulcers of the oral mucosa.
Completely unknown reason and doubted the existence of an auto-immune disorder or a viral cause of pretending with small red spots on the oral mucosa and lips and edges of the tongue and within hours turns into painful ulcers rounded 1-10 mm in diameter and a single or several with a yellow base gray heal spontaneously within a week.
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Dentistry