Aphthous stomatitis scars. Each episode of ulceration usually produces a greater number of ulcers, and the time between attacks is less than seen in minor aphthous stomatitis. Major aphthous ulceration usually affects non keratinized mucosal surfaces, but less commonly keratinized mucosa may also be involved, such as the dorsum (top surface) of the tongue or the gingiva (gums). The soft palate or the fauces (back of the throat) may also be involved, the latter being part of the oropharynx rather than the oral cavity. Compared to minor aphthous ulceration, major aphthae tend to have an irregular outline. Herpetiform ulcers, (also termed stomatitis
Stomatitis or similar species. Treatment usually involves the administration of topical nystatin or similar antifungal agents. Another treatment can be to correct the jaw relationship with dental treatment ("e.g.", dentures or occlusal adjustment). This is a common condition present in denture wearers. It appears as reddened but painless mucosa beneath the denture. 90% of cases are associated with "Candida" species, and it is the most common form of oral candidiasis. Treatment is by antifungal medication and improved dental hygiene, such as not wearing the denture during sleep. Allergic contact stomatitis (also termed "allergic gingivostomatitis" or "allergic contact gingivostomatitis") is a type