Identifying Mouth Sores From Pictures - Verywell Health
https://www.verywellhealth.com/mouth-sores-pictures-8584729
WEBMar 12, 2024 · A canker sore, also known as an aphthous ulcer or recurrent aphthous stomatitis, can appear on the softer parts of your mouth such as your tongue, lips, soft palate, or cheeks. It typically forms as a small pitted lesion that can be painful. A canker sore is often small and round or oval with a yellow-gray color.
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