Bednar's aphthae is a type of

oral ulceration A mouth ulcer (aphtha), or sometimes called a canker sore or salt blister, is an ulcer that occurs on the mucous membrane of the oral cavity. Mouth ulcers are very common, occurring in association with many diseases and by many different mechanis ...

(mouth ulcers) which occurs in infants. The lesions are located on the

palate The palate () is the roof of the mouth in humans and other mammals. It separates the oral cavity from the nasal cavity. A similar structure is found in crocodilians, but in most other tetrapods, the oral and nasal cavities are not truly sep ...

and are caused by trauma. No treatment is required since the lesions heal within a few days. The condition was first described in 1850, by the Austrian physician Alois Bednar (1816-1888).

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{{Oral pathology Oral mucosal pathology