Abscess If you notice a painful bump on the roof of your mouth, it could be an abscess—an infection that forms when bacteria ...

Oral thrush, also known as oral candidiasis, is a yeast infection of the mouth caused by an overgrowth of the Candida fungus. It is most commonly found in infants and toddlers who breastfeed ...

Classic lingual papillitis causes a few red, whitish, or yellow-colored raised bumps on one area of the ... dietary changes or exposure to potential oral (mouth) irritants.