Medically reviewed by Edmund Khoo, DDS Gum cancer, also called gingiva cancer, occurs when cells in the gum grow out of control, forming tumors or lesions. A common form of gum cancer is squamous cell ...

Canker sores are painful sores that usually appear inside your mouth, at the base of your gums. While these are not contagious, they are quite uncomfortable. Just about anything can trigger an episode ...