https://gloucestershiredaily.co.uk/tags/stomatology/Recent content in stomatology on Gloucestershire DailyHugo -- gohugo.ioen-usWed, 27 May 2026 11:05:51 +0000https://gloucestershiredaily.co.uk/oncologist-highlights-three-week-rule-to-distinguish-mouth-ulcers-from-serious-symptoms/Wed, 27 May 2026 11:05:51 +0000https://gloucestershiredaily.co.uk/oncologist-highlights-three-week-rule-to-distinguish-mouth-ulcers-from-serious-symptoms/Mouth ulcers are a common annoyance, often linked to stress, tiredness, or minor irritations like ill-fitting braces or spicy foods. While most ulcers are harmless and clear up within one to two weeks, radiation oncologist Dr Jiri Kubes of the Proton Therapy Center warns that any ulcer persisting longer than three weeks could be a sign of something more serious, such as mouth cancer. “Ulcers inside the cheeks, lips, or on the tongue are frequent and rarely dangerous, but because they’re so common, persistent ones can easily be overlooked,” explains Dr Kubes.