Oral Health Alert
Recurring Mouth Ulcers: When They Are Harmless and When They Are Not
A mouth ulcer seems a small thing until it makes eating and talking difficult. The great majority are harmless and settle on their own. But one situation should never be waited out — and that is the most important part of this article.
Why ordinary ulcers happen
The commonest type is the aphthous ulcer — round or oval, whitish-yellow in the centre with a red rim, usually inside the cheek or lip or along the side of the tongue. Causes are varied:
- Nutritional deficiency — vitamin B12, iron or folate; the most common underlying cause, particularly in vegetarian diets and in women
- Trauma — a bitten cheek, a hard toothbrush, a sharp tooth edge, a broken filling or an ill-fitting denture
- Stress and lack of sleep — ulcers commonly appear during exams, travel or periods of pressure
- Very spicy or very hot food
- Hormonal changes in some women
- Gut conditions in a minority of cases
What helps at home
- Gentle warm salt-water rinses two or three times a day
- Avoid spicy, sour, salty and crunchy food while it heals
- Use a soft brush and take care around the area
- Drink enough water and get proper sleep
- Cold milk, curd and cool foods are soothing
- Never hold a painkiller tablet against the ulcer — it burns the tissue and makes it worse
Most ulcers resolve within a week or two. Medication helps with the discomfort more than with the healing time.
The two-week rule
This is the part worth remembering above everything else:
Any ulcer, sore or patch in the mouth that has not healed within two weeks should be examined by a dentist.
The reason is that oral cancer often begins as something that looks entirely ordinary. Its most deceptive feature is that in the early stages it does not hurt — which is precisely why people leave it.
Signs that deserve particular attention:
- An ulcer unchanged or growing after two weeks
- A sore that is painless
- Firm or raised edges
- Bleeding on touch
- A white or red patch that will not rub off
- A lump in the cheek or tongue, or reduced mouth opening
- Difficulty swallowing, or a persistent change in voice
No need to panic — but do get it checked
To be clear: the overwhelming majority of mouth ulcers are not cancer. Most are ordinary aphthous ulcers or the result of minor trauma, and they heal on their own.
But the five minutes an examination takes, and the small consultation fee, are nothing set against the difference between catching oral cancer early and catching it late. That difference is enormous, and it is entirely within your control.
Ulcers that recur in the same spot
Where an ulcer appears repeatedly in exactly the same place, the cause is usually mechanical — a sharp tooth, a broken filling, a denture edge or an orthodontic wire rubbing. It is easily corrected, and the ulcers stop once it is. Persistent friction over years is not something to live with.
An ulcer that has not healed in two weeks? Do not wait longer. Book an examination at Janata Dental Clinic, Muzaffarpur — consultation ₹200, free for patients in need and at camps. Call 95726 63116.
Frequently Asked Questions
How long should a mouth ulcer take to heal?
Ordinary aphthous ulcers heal within seven to fourteen days without scarring. Any ulcer still present after two weeks should be examined rather than watched for longer.
Why do I keep getting mouth ulcers?
The most common reasons are deficiencies of vitamin B12, iron or folate, stress and poor sleep, repeated trauma from a sharp tooth or denture, and very spicy or hot food. Where ulcers recur frequently, a blood test often identifies a deficiency that is simple to correct.
What is the most important warning sign?
An ulcer, sore or patch that has not healed in two weeks — particularly if it is painless, has firm raised edges, or bleeds on touch. In anyone who uses tobacco, khaini or paan, this warrants urgent examination.