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. These are less common and occur more.
Aug 06, 2018 · Canker sores are not the same as cold sores (fever blisters), which are an infection caused by the herpes virus and are contagious. Canker sores are not contagious, and are categorized into three types: Minor sores measure from 3 to 10 millimeters (mm) and are the most common type of canker sore. Lesions last 10 to 14 days and heal without scarring.
A canker sore (aphthous ulcer) is characterized by painful, open sores in the inner lining of the oral cavity, gum or upper throat. It can be due to various causes including mechanical and chemical trauma. In seniors this may be seen with poorly fitting dentures, certain medication, diabetes and nutritional deficiencies among other causes.
Feb 19, 2018 · Get information on causes, symptoms and various treatments including home remedies for canker sore on gums. Also get to know if canker sores are contagious or not. Are Canker Sores Contagious? Canker sores are not known to be contagious. They do not spread from one-person to another. Canker sores normally develop in an individual due [ ]5/5(1).