Aphthous stomatitis

Name(s): 
Aphthous ulcer
Bednar's aphthae
Periadenitis mucosa
Nature 

Aphthous stomatitis is a very painful, usually white ulcer or clusters of ulcers inside the mouth. Small ones can last from 10-14 days; large ones can last longer.

Incidence 

Women tend to be affected more than men.

Narrower 
Type 
(G) Very specific problems