See Also: Aphthous ulcer(health)
aphthous ulcer(medicine)
aphthous(medicine)
Aphthous ulcers(health)
aphthous stomatitis(medicine)
stomatitis, aphthous(medicine)
recurrent aphthous stomatitis(medicine)
recurrent aphthous ulcers(medicine)
Dells Area Health Center Avera Health(health)
Hegg Memorial Health Center Avera Health(health)

Aphthous ulcer (health)


A small sensitive painful ulcer crater in the lining of the mouth. Commonly called a canker sore. Aphthous ulcers are one of the most common problems that occur in the mouth. About 20% of the population (1 in 5 people) have aphthous ulcers at any given time. Aphthous ulcers typically last for 10-14 days and they heal without leaving a scar. There are many possible causes of aphthous ulcers. Often the cause is unknown.