Here are six reasons why you may have white spots on your gums and how to treat each condition. 1. Canker sores Canker sores are small yellow or white mouth ulcers that have a red border.

Mouth cancer may look like white patches, red ... spots in your mouth. If you have erythroplakia, a dentist will take a biopsy of these cells. This may involve cutting off a thin layer of the sore ...

Several conditions can cause spots or patches of your gums to turn white ... of uneven shape and gum pain, especially after eating acidic or spicy foods. White or red lesions can be signs of ...