Mouth cancers have a higher proportion of deaths per number of cases than breast cancer, cervical cancer or skin melanoma.
The mortality rate is just over 50%, despite treatment, with about 1,700 deaths per year in the UK. This is because of late detection.
Knowing the signs of mouth cancer , what does mouth cancer look like and risk factors can help you take prompt action, which greatly improves the chances of successful treatment.
You may notice subtle changes at first, which can sometimes be confused with less serious issues. If any of the following signs last for more than three weeks, it’s important to get checked:
A sore or ulcer in the mouth that doesn’t heal
White or red patches inside the mouth
Lumps or growths on lips, gums, tongue, or inside cheeks
Loose teeth without a clear cause
Persistent pain in the mouth or ear
Difficulty or pain while swallowing
Difficulty speaking or hoarse voice
Lumps in the neck or throat
Unexplained weight loss
Mouth cancer usually starts when the DNA inside certain cells in the mouth changes, causing those cells to grow uncontrollably. These are typically squamous cells, which form the lining of the mouth and lips.
While the exact cause in every case isn’t always clear, certain factors increase the likelihood of developing mouth cancer:
Tobacco use of any form—cigarettes, cigars, pipes, chewing tobacco, snuff
Frequent and heavy alcohol consumption
Combined use of tobacco and alcohol, which further raises risk
Excessive exposure to sunlight, especially on the lips
Infection with human papillomavirus (HPV), a common sexually transmitted virus
A weakened immune system due to medical conditions or medications
Regular visits to your dentist are important not only for keeping your teeth healthy but also for early detection of mouth cancer.
During routine cleanings and exams, your dentist and dental hygienist carefully examine your mouth for any unusual sores, patches, or lumps that might signal a problem.
If they spot something suspicious, they can guide you toward further evaluation or specialist care.
If you notice any persistent changes like sores, patches, lumps, or pain in your mouth, contact your dentist to schedule an oral cancer screening.
Performing a simple self-check once a month may also help—use a mirror to look at the inside of your lips, gums, tongue, cheeks, and roof of your mouth for anything unusual.
Protecting your lips from excessive sun exposure, avoiding tobacco in any form, limiting alcohol intake, and maintaining a balanced diet all help reduce risk.
Early detection makes a difference. Don’t ignore persistent mouth changes—seek professional advice promptly.
Contact your dentist today to schedule a screening or dental check-up. Your mouth deserves regular attention, and early checks can make all the difference.
The Mouth Cancer Foundation is a registered charity that raises awareness of mouth cancers and provides information and support to patients, carers and health professionals.
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