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.
1 It can also occur with aging or Sjogren's syndrome, an autoimmune disease that causes both dry mouth and dry eyes.  Other oral conditions. Oral yeast infection (thrush) is a common cause of a burning mouth that may also occur with other causes, such as diabetes, denture use and certain medications. Geographic tongue, a condition that causes a dry mouth and a sore, patchy tongue, also may be associated with burning mouth syndrome.