The best things to clean dentures with are commercial denture cleansing tablets, mild hand soap, or dishwashing liquid, combined with a soft-bristle brush and warm (never hot) water. These options remove food debris, bacteria, and stains without damaging the acrylic or metal components of your dentures. The cleaning method matters just as much as what you use, so a good daily routine combines brushing with an overnight soak.
Commercial Denture Cleansers
Denture cleansing tablets are the most common commercial option. You drop a tablet into a cup of warm water, which creates a fizzing solution that loosens plaque and kills bacteria. Dentures sit in this solution for the time listed on the package, typically anywhere from a few minutes to overnight. Commercial cleansers also come as creams, pastes, gels, and liquid solutions, so you have options depending on your preference.
These products are specifically formulated for denture materials, which makes them a safer bet than improvising with household products. They’re widely available at pharmacies and grocery stores, and most cost just a few cents per tablet.
Soap and Water as an Alternative
If you don’t have denture tablets on hand, mild hand soap or dishwashing liquid works well. Apply a small amount to a soft-bristle brush, scrub all surfaces of the denture under warm running water, and rinse thoroughly. This approach is effective for daily cleaning and costs almost nothing. Avoid using regular toothpaste, which can contain abrasives that scratch denture acrylic. Those tiny scratches create grooves where bacteria accumulate over time.
What to Avoid
Bleach and powdered household cleansers can damage dentures and should not be used. If you have partial dentures with metal clasps or attachments, skip any soaking solution that contains chlorine. Chlorine-based products tarnish and corrode metal components, shortening the life of your partial.
Hot or boiling water is another common mistake. High temperatures warp the acrylic, changing the fit of your dentures permanently. Stick with warm or cool water for both brushing and soaking.
The Right Brush Makes a Difference
A dedicated denture brush is better than a regular toothbrush. Denture brushes have two heads: one flat head for cleaning broad surfaces and a tapered head for reaching into tight crevices around the teeth. The handle is thicker and easier to grip, which helps if you have arthritis or limited hand strength. The bristles are firmer than those on a standard toothbrush, designed to scrub acrylic effectively without scratching it.
A regular toothbrush isn’t shaped to clean the curves and clasps of a denture, and its softer bristles don’t clean acrylic as thoroughly. If a denture brush isn’t available, a regular soft-bristle toothbrush will do in a pinch, but it’s worth picking up a proper one.
Ultrasonic Cleaners
Ultrasonic cleaning baths use high-frequency vibrations to dislodge plaque and bacteria from denture surfaces, including areas a brush can’t easily reach. A randomized clinical trial found that using an ultrasonic cleaner combined with a denture soaking solution significantly improved denture cleanliness compared to the standard routine of soaking plus brushing. Patients in the ultrasonic group also reported higher satisfaction with how clean their dentures felt.
Home ultrasonic cleaners designed for dentures are available online and at some pharmacies. They’re especially useful for older adults who find manual brushing difficult. That said, they work best as a supplement to your routine rather than a complete replacement for brushing, since a brush still handles heavy debris and food particles most effectively.
A Simple Daily Routine
A solid cleaning routine has three steps: brush, soak, and rinse. After removing your dentures, brush all surfaces with a denture brush and either a commercial cleanser or mild soap. Pay attention to areas that contact your gums, where plaque builds up fastest. Then place the dentures in water or a denture soaking solution overnight. Most dentures need to stay moist when they’re not in your mouth to keep their shape. In the morning, rinse the dentures thoroughly under running water before putting them back in, especially if you used a soaking solution.
While your dentures are out, brush your gums, tongue, and the roof of your mouth with a regular soft toothbrush. This removes the film of bacteria that accumulates under the denture during the day.
Why Cleaning Matters for Your Health
Poorly cleaned dentures are the primary cause of denture stomatitis, a fungal infection of the tissue beneath your denture. The culprit is usually Candida albicans, a yeast that thrives on the warm, moist surface of a dirty denture. The infection causes red, irritated patches on the roof of the mouth or along the gums, and it affects a surprisingly large percentage of denture wearers. Consistent daily cleaning is the most effective way to prevent it.
Hardened tartar can also build up on dentures over time, just as it does on natural teeth. Once tartar has calcified onto the surface, home cleaning won’t remove it. Your dentist can professionally clean your dentures and check their fit, which is why regular dental visits remain important even after you’ve lost your natural teeth.