You will immediately spot a canker sore because its middle is white or gray in color and it has a border. Canker sores usually travels alone and you can get one just inside of the cheek or lips but very seldom they are found on tongues. Canker sores become painful only on the first 3 [...]
Canker sores has border that are well defined and its center has a white or grey color. You can have 1 canker sore most of the time instead of multiple and most often they are found in the mouth and seldom on tongue. Canker sores are painful on the first 3 days but sometimes up [...]