What Is the Hard Lump on the Roof of My Mouth?

By Staff WriterLast Updated Mar 24, 2020 5:42:26 PM ET

A hard lump on the roof of the mouth may be a bone growth called a torus, according to Merck Manuals. These growths do not pose a health risk and are generally left untreated unless they cause difficulties while eating or a person requires dentures.