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.
Before they become obvious spots or blisters, cold sores and canker sores may cause swelling on the roof of your mouth. Stress and hormonal changes may trigger a canker sore. Many canker sores develop on your cheek or the gums near your teeth, but itâs not uncommon for them to appear on the roof of your mouth, too.