Canker sores, also called aphthous ulcers, are small shallow ulcers that occur in the lining of your mouth ... Canker sores are yellowing sores that appear in your mouth or along your gums. They are ...
These include bleeding and sore gums. Other signs can be spotted in the ... Oral cancer often starts as a small white or red spot or sore in the mouth and it is more likely to affect smokers ...