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.
Quick Answer. Itching of the roof of the mouth is a common symptom of allergic rhinitis, a condition in which the immune system reacts to external or internal allergens, such as pollens, mold and dust mites, according to Avera Health. Additional symptoms include nasal congestion, watering eyes and sneezing.