What Makes Dentures Smell Bad & Tips to Freshen Them Up

April 2, 2026

Woman looking at her bad smelling dentures

When you got your dentures, you might’ve been excited about having a full smile once again. They helped you regain your confidence and eat a wider range of foods over time. However, if you have had them for a while, have they started to develop a bad smell? You might be a bit embarrassed about it, but there is stuff you can do to stop it! Here’s why this odor might have occurred and tips to keep your restoration fresh.

What Can Make Dentures Have a Bad Smell?

Take a quick moment to run your fingers or tongue across your dentures. You might notice they are solid, but they are actually a bit porous. They have tiny areas that can harbor bacteria if you don’t properly clean them and your mouth. When plaque builds up, a bad smell often follows suit.

These small spaces can’t be cleaned out by regular brushing, as the bristles can’t effectively get into them. So, the only way you can flush them out is by soaking your restoration at night. Doing so in water or a specific solution can wash away bacteria, so make sure you keep up with this habit.

How Can I Keep My Dentures Smelling Fresh?

Although your dentures might not smell fresh anymore, there are ways you can get them back to it. Here are some simple tips you should keep in mind:

  • Tighten your oral hygiene routine and brush your prosthetic twice daily. Use a soft-bristle toothbrush or a specified brush along with clear, gentle soap to remove any plaque that may be on them.
  • Don’t forget to wipe down your mouth as well. This simple act can remove buildup on your tongue, gums, and inner cheeks, preventing anything from transferring to your restoration.
  • Drink water throughout the day to rinse away debris and particles that can linger in your mouth.
  • Soak your dentures every time you sleep. This allows for the water or cleaner to seep into them and clean out bacteria.

In the end, don’t forget to visit your dentist. They will be able to give your restoration a good scrubbing, remove hardened tartar, and make sure it fits snug and is in great shape. That way, you can continue showing off a full smile you love.

About the Author

Dr. Gus Bal earned his dental degree from the Boston University Goldman School of Dental Medicine. He is happy to help the Nepean community restore their grins with reliable options like dentures. By using high-quality materials, you can trust your results look natural and feel comfortable. If you want to make sure your prosthetic is going strong, schedule an appointment or call Dr. Bal’s office at (613) 228-8768.