13/08/2026
😣 Ouch! That painful sore inside your mouth?
Most mouth ulcers (canker sores) heal on their own within 1–2 weeks.
They may be triggered by:
• Stress
• Lack of sleep
• Accidentally biting your cheek
• Braces or sharp teeth
• Vitamin deficiencies
⚠ If your mouth sore lasts more than 2 weeks, keeps coming back, or looks unusual, it’s best to have it checked by your dentist.