Davenport's longitude and latitude coordinates in decimal form are 41.542982, â90.590745. According to the United States Census Bureau, the city has a total area of 65.08 square miles (168.56 km 2), of which, 62.95 square miles (163.04 km 2) is land and 2.13 square miles (5.52 km 2) is water.
Canker Sore-Canker sores can develop on the roof of the mouth. These can be caused by exposure to bacteria or when the tissue becomes damaged due to a scratch or burn. Canker sores will begin as a red mark on the roof of the mouth, but will slowly fill in with white or yellow pus.
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.