Aphthous stomatitis, [2] or recurrent aphthous stomatitis (RAS), commonly referred to as a canker sore or salt blister, is a common condition characterized by the repeated formation of benign and non- …

Canker sores — or aphthous ulcers — are small ulcers in the lining of your mouth. A canker sore looks like a white or yellowish mouth sore with a red border.

Apr 7, 2025 · What are aphthous mouth ulcers? Ada doctors explain what canker sores are, where they're typically found, symptoms, causes, and treatment options.

Aug 11, 2025 · Aphthous stomatitis, also known as a canker sore, refers to small, painful ulcers that appear on the inside of the mouth. They typically only form on non- keratinized areas of the oral …

An aphthous ulcer is the most common ulcerative condition of the oral mucosa, and presents as a painful punched-out sore on oral or genital mucous membranes. They are also called aphthae, …

Aphthous stomatitis is an illness that causes small ulcers to appear in the mouth, usually inside the lips, on the cheeks, or on the tongue. Aphthous ulcers are also known as "canker sores."

Aphthous ulcers are small, round, shallow lesions that develop on the inside of the mouth or the base of the gums. Aphthous ulcers may also be called aphthous stomatitis or canker sores.

Nov 9, 2025 · Canker sores (aphthous ulcers) are small, painful mouth ulcers. They typically last up to two weeks and cause discomfort when you're talking or eating.

Jan 15, 2024 · Aphthous ulcers (oral aphthous), commonly known as canker sores, present a prevalent oral concern affecting 20-25% of the population. Unlike fever blisters (cold sores), aphthous ulcers …

Apr 3, 2018 · Canker sores, also called aphthous ulcers, are small, shallow lesions that develop on the soft tissues in your mouth or at the base of your gums. Unlike cold sores, canker sores don't occur …