Pictures Of Denture Sores

Pictures of denture sores usually show small red or white spots, shallow ulcers with a yellowish centre and red border, or broader areas of redness under the denture. Most denture sores are common and temporary, caused by pressure or rubbing in the first weeks, and they often heal within a week or two once the cause is fixed. However, a sore that lasts longer than two weeks should always be checked, and a trusted dentist in Tillsonburg can confirm whether it is a simple irritation or something that needs closer attention.
Pressure sores look like small, tender, red or white patches where the denture edge rubs. Ulcers are round or oval with a pale centre. Denture stomatitis appears as widespread redness under the denture, often on the palate. Long-lasting, painless, or growing sores need a professional exam.
If a sore is very painful, bleeding, or swelling quickly, you do not need to wait for a routine visit. Prompt emergency dental care can relieve pressure on the area and prevent the problem from getting worse.

Many sores come from a denture that no longer matches the shape of your gums. Adjustments, relines, or a replacement denture are common restorative solutions that remove the source of irritation.
For certain stubborn soft tissue problems, such as overgrown tissue at the denture edge, your dentist may also discuss options like laser treatment after a full assessment.
What Do Different Denture Sores Look Like?
Denture sores are not all the same. Recognising the type helps you understand the likely cause and what to do next.
| Type | How it looks | Common location | Usual cause |
|---|---|---|---|
| Pressure spot | Small red or white tender area | Along the ridge or under the denture edge | Uneven pressure or a high spot in the base |
| Traumatic ulcer | Round or oval sore with yellow-grey centre and red rim | Cheek, tongue side, or gum ridge | Rubbing from a sharp or overextended edge |
| Denture stomatitis | Diffuse redness, sometimes with tiny red dots | Palate under an upper denture | Yeast overgrowth and wearing dentures overnight |
| Angular cheilitis | Cracked, red, sore corners of the mouth | Lip corners | Moisture build-up, reduced face height, or yeast |
| Tissue overgrowth | Folds of pink tissue around the denture edge | Inside the lip or cheek along the flange | Long-term rubbing from a loose denture |
Why Do Denture Sores Happen?
- New dentures: Gums need time to adapt to pressure in new areas.
- Poor fit: Bone shrinkage over time leaves gaps, allowing the denture to move and rub.
- Rough or broken edges: Cracks, chips, or sharp spots can scratch soft tissue.
- Food trapped underneath: Seeds and small particles press into the gums.
- Overnight wear: Gums never get a chance to rest, and yeast can grow.
- Dry mouth: Less saliva means more friction between the denture and tissue.
- Health factors: Diabetes, certain medications, and nutritional deficiencies can slow healing.
Normal Irritation vs When to Worry
Usually minor
Tender red spot in the first weeks with new dentures that improves with an adjustment.
Needs a check soon
Sores that keep coming back in the same place, or redness under the whole denture.
See a dentist promptly
A sore lasting more than two weeks, a lump, a white or red patch that does not wipe away, or numbness.
Most denture sores are harmless, but any persistent change in the mouth deserves professional review. Early assessment is simple and gives peace of mind.

How Dentists Treat Denture Sores
- Exam of the sore and surrounding tissue. The dentist checks size, colour, texture, and duration.
- Finding the pressure point. A special paste or marking material shows exactly where the denture presses too hard.
- Adjusting the denture. The base or edge is relieved and polished so it no longer rubs.
- Treating infection if present. Stomatitis or angular cheilitis may be treated with antifungal medication and better denture hygiene.
- Relining or replacing. If the denture is loose overall, a reline or new denture may be advised.
- Follow-up. A short review confirms the tissue is healing as expected.
Home Care That Helps Sores Heal
- Leave the denture out for a few hours a day if possible, and always overnight
- Rinse gently with warm salt water two or three times a day
- Keep the denture very clean, brushing it daily and soaking it overnight
- Eat soft foods while the sore heals and avoid spicy or acidic foods
- Do not use extra adhesive to cover up a loose fit
Myths About Denture Sores
A Closer Look at Each Type of Denture Sore
Pressure spots
Pressure spots are the most common denture sore. They usually appear within the first few days of wearing a new denture, or after a denture has been relined. In photos, they look like small patches of redness, sometimes with a white or slightly raised centre. They are tender when you press on them or when you bite down. Because they come from a specific high point in the denture base, they tend to heal quickly once that point is relieved.
Traumatic ulcers
Ulcers form when the tissue surface breaks down from ongoing rubbing. They are usually round or oval with a creamy yellow or grey base and a red border. Ulcers can sting when eating salty, spicy, or acidic foods. Common spots include the inside of the cheek, the sides of the tongue, and the folds where the denture flange meets the lip.
Denture stomatitis
Denture stomatitis is an inflammation of the tissue that sits directly under the denture, most often the palate. In pictures it looks like a red “footprint” that matches the outline of the denture. Many people feel little or no pain, which is why it often goes unnoticed. It is linked to yeast organisms called Candida, along with plaque on the denture surface and wearing dentures day and night.
Angular cheilitis
These cracks at the corners of the mouth can be sore and may bleed when you open wide. They are often related to moisture collecting in the corners, yeast, or a denture that has worn down and no longer holds the face at the right height. Restoring proper face height with a new or adjusted denture often helps prevent them from returning.
Denture-related tissue overgrowth
When a loose denture rubs for a long time, the tissue along its edge can respond by thickening into folds. This is usually painless but can make dentures fit even worse. Treatment depends on the size of the tissue and may involve adjusting the denture, allowing the tissue to settle, or removing excess tissue before a new denture is made.
Who Is More Likely to Get Denture Sores?
- People wearing new or newly relined dentures
- Those who wear dentures for many years without a reline
- Anyone who sleeps with dentures in
- People with diabetes or reduced immune function
- Those with dry mouth from medications or health conditions
- Smokers, whose tissues may heal more slowly
How to Prevent Denture Sores
Rest your gums
Take dentures out overnight to let tissues recover and reduce yeast growth.
Clean daily
Brush the denture and soak it in a cleanser to remove plaque and yeast.
Keep up with checkups
Yearly visits catch fit changes before they cause sores.
Report changes early
Mention new rubbing, rocking, or clicking right away, rather than waiting.
Why Online Photos Are Not Enough to Diagnose a Sore
Looking at pictures of denture sores can help you describe what you are seeing, but photos cannot replace an in-person exam. Many mouth conditions look similar at first glance. A simple pressure ulcer and a more concerning lesion can both appear as a red or white patch. Lighting, camera angle, and the stage of healing also change how a sore looks from one day to the next.
During an exam, your dentist feels the texture of the area, checks whether it is raised, firm, or soft, asks how long it has been there, and looks at how it relates to the edges of your denture. This combination of touch, history, and close observation is what allows an accurate assessment. If anything looks unusual, your dentist may suggest monitoring it for a short time, adjusting the denture and rechecking, or referring you for further evaluation.
What to Tell Your Dentist About a Sore
- When you first noticed the sore and whether it has changed in size
- Whether it hurts, and if pain is worse when eating or wearing the denture
- How many hours a day you wear your denture, including overnight
- Whether you have recently started a new denture, reline, or adhesive
- Any health changes, new medications, or dry mouth symptoms
Taking a few clear photos over several days can also be useful, as they show your dentist how the area has changed between visits. Bringing your denture to every appointment, even if you have stopped wearing it because it hurts, helps the team find the exact spot that needs adjusting.
Gentle Denture Care at a Family Dentist in Tillsonburg
Family Dentistry on Brock is regarded as one of the best dental offices in Tillsonburg, with a 5.0 Google rating and more than 252 patient reviews. The clinic accepts new patients and CDCP (Canadian Dental Care Plan) patients, and provides dental implants, clear aligners, restorative care, dental veneers, laser treatment, teeth whitening, emergency dental care, sedation dentistry, dental surgery, and orthodontics.
Sore gums under your denture?
Call +1 519-900-5640 or email info@familydentistryonbrock.com to arrange a visit at 49 Brock St E, Tillsonburg, ON N4G 1Z7. Late appointments run until 7:00 PM on Mondays, and Saturdays are available by appointment.
Frequently Asked Questions
How long do denture sores take to heal?
Most minor sores improve within 7 to 14 days once the cause is removed. Sores lasting longer than two weeks should be examined.
Can I keep wearing my denture with a sore?
If the sore is mild, you may wear it for short periods, but removing it often helps healing. A dentist can adjust the denture so it stops rubbing.
What is the red patch under my upper denture?
Widespread redness under an upper denture is often denture stomatitis, usually linked to yeast and overnight wear. It responds well to better hygiene and treatment.
Do salt water rinses help denture sores?
Yes. Warm salt water rinses are gentle, soothing, and help keep the area clean while it heals.
Should a new denture cause sores?
Some tender spots are common in the first weeks. Adjustment appointments are a normal part of fitting new dentures.
Conclusion
Denture sores are usually caused by pressure, rubbing, or yeast and often heal once the denture is adjusted and kept clean. Knowing what different sores look like helps you decide when home care is enough and when to book a visit. Any sore that lasts longer than two weeks deserves a professional examination.



