Could Your Old Dentures Be Putting You at Risk for Oral Cancer?

September 22, 2026

Patient with dentures rubbing their cheek

Most denture wearers expect some issues as their restoration ages—a little slipping here, some soreness there, occasional irritation. These are often characterized as minor inconveniences, and for some, they are. However, what many patients don’t realize is that chronically ill-fitting dentures can raise the risk of something far more serious: oral cancer. Keep reading to learn how several risk factors can combine to create the perfect conditions for this deadly disease.

How Ill-Fitting Dentures Create a Problem

When dentures don’t fit properly, they create friction against your gums and other soft oral tissues that can go on for weeks. Over time, this repeated irritation leads to repeated sores and inflammation. These wounds are slow to heal on their own, but they also create an environment where abnormal cell changes are more likely to develop. This is especially true if other risk factors are already working against you.

How Tobacco and Alcohol Make It Worse

Tobacco use and heavy alcohol consumption are two of the most well-established risk factors for oral cancer. When either is combined with the chronic tissue irritation caused by ill-fitting dentures, the risk rises.

Damaged, inflamed tissue is also more vulnerable to the carcinogens found in tobacco and the cell-damaging effects of alcohol. For patients who smoke, chew tobacco, or drink regularly, keeping your dentures adjusted isn’t just a matter of aesthetics—it’s a necessity for health.

Signs Your Dentures Need Attention

Dentures naturally lose their fit over time as your jawbone continues to change shape after tooth loss. A restoration that fit well five years ago may no longer sit correctly today. If you suspect your denture might need adjusting, watch for:

  • Persistent sores or irritation
  • Slipping while eating or speaking
  • Difficulty chewing
  • Any noticeable changes in comfort

All of these symptoms are reason enough to schedule an appointment. If you’re experiencing more than two or three of them, you should schedule as soon as possible.

Reducing Your Risk

It’s not all gloom and doom for dentures—all of this is a preventable problem. Attending regular checkups, getting adjustments when you need them, and being honest with your dentist about tobacco and alcohol use can all help reduce your risk. Your dentist can also perform an oral cancer screening during your regular checkups to catch any concerning changes early.

Don’t wait until the discomfort becomes unbearable. If your dentures aren’t fitting the way they should, now is the right time to call your dentist. Together, you can reduce your risk of oral cancer and increase your quality of life.

About the Practice

At Smile Carolina Dental Group, Dr. Johnson and Dr. Gregory provide denture relines, adjustments, and oral cancer screenings to help patients stay comfortable and healthy. Call (843) 884-8884 to schedule your denture evaluation with our talented team and let us help you live your best life.