This is another common complaint or condition in the mouth. Most of them are benign condition
What should I do ? It is usually advised that you seek opinion either from your GP or dentist. If they are not sure, they will refer it to the specialist for advice.
What would the specialist do? The specialist would take a thorough history and examine you. He will look out for any cause and advice you accordingly. Sometimes, a biopsy(tissue sample) may be taken to rule out other causes.
Causes- trauma from sharp teeth, burns, smoking, pan chewing etc. Some of them will have no cause and is called leukoplakia
Should I be concerned? Some white patches are premalignant i.e can change into cancer. The conversion rate varies between1-10%. If you smoke or consume alcohol there is an increased chance of developing oral cancer. Certain angry looking white patches needs very close monitoring.