21. When used without qualification, " aphthae " commonly refers to lesions of recurrent aphthous stomatitis . 22. The exact cause of aphthous stomatitis is unknown, but there may be a genetic predisposition in some people. 23. It was also tested against herpes simplex, vesicular stomatitis , poliovirus type I, and human immunodeficiency virus. 24. The current most widely used medical term is " recurrent aphthous stomatitis " or simply " aphthous stomatitis ". 25. The current most widely used medical term is " recurrent aphthous stomatitis " or simply " aphthous stomatitis ". 26. Allergic contact stomatitis appears as non-specific inflammation, so it may be mistaken for chronic physical irritation. 27. The principal diseases studied are foot-and-mouth disease, classical swine fever, and vesicular stomatitis virus. 28. Local trauma is also associated with aphthous stomatitis , and it is known that trauma can decrease the mucosal barrier. 29. The best-known RdRPs are polioviral 3Dpol, vesicular stomatitis virus L, and hepatitis C virus NS5B protein. 30. There was a discussion about aphthous ulcer, and there is a consensus now to move it to aphthous stomatitis .