Price for first-class stamp rises to 49 cents. It's going to cost you a few pennies more to mail a letter. The cost of a first-class postage stamp is now 49 cents â 3 cents more than before. Post to Facebook.
Palate Cancer. The palate is commonly called the roof of the mouth. It is divided into two parts: the bony hard palate in the front, and the fleshy soft palate (called the velum) in the back of the mouth. The hard palate is part of the oral cavity and the soft palate is part of the oropharynx.
Causes of Bump on the Roof of Mouth. These are the most common causes of a bump on the roof of mouth: 1  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.