what causes lump in roof of mouth
These are the most common causes of a bump on the roof of mouth: Enlarged or irritated incisive papilla. This can also be caused by excessive tobacco chewing. Smoking â people who smoke either a cigar or a pipe present an increased risk for mouth roof bumps.
Noncancerous growths. A variety of noncancerous growths may occur in and around the mouth. A persistent lump or raised area on the gums (gingiva) should be evaluated by a dentist. Such a lump may be caused by a gum or tooth abscess or by irritation.