* Does not require secondary range number to follow: back to top : State Abbreviations : State/Possession. Abbreviation. ALABAMA. AL. ALASKA. AK. AMERICAN SAMOA. AS. ARIZONA . AZ. ARKANSAS. AR. CALIFORNIA CA. COLORADO . CO. CONNECTICUT. CT. DELAWARE. DE. DISTRICT OF COLUMBIA. DC. FEDERATED STATES OF MICRONESIA. FM
Canker sores are small, shallow ulcers that appear in the mouth and often make eating and talking uncomfortable. There are two types of canker sores: Simple canker sores. These may appear three or four times a year and last up to a week. They typically occur in people ages 10 to 20. Complex canker sores.
Mouth ulcers are sores that appear in the mouth, often on the inside of the cheeks. Mouth ulcers, also known as aphthous ulcers, can be painful when eating, drinking, or brushing teeth. Occasional mouth ulcers are usually harmless and clear up on their own. Seek medical advice if they last longer than 3 weeks or keep coming back.