Most of people have no detectable symptoms during the early stages of oral cancer. For those who heavy smoker and heavy drinker should have regular checkups at the dentists-dentist are often able to identify signs of oral cancer. There are several oral cancer symptom:
Mouth ulcers that do not go away.
A sore that does not heal.
Patches on the lining of the mouth or tongue, usually red or red and white in color.
A swelling in the mouth that persist for over three weeks.