Can Dentures Be Whitened?

Dentures are artificial dental appliances that serve as replacements for missing teeth, crafted from various materials such as acrylic, porcelain, or a combination of both. While these prosthetic devices offer a practical solution for individuals with missing teeth, they are not immune to discolouration over time. The accumulation of stains on dentures can be attributed to a variety of factors, including consumption of certain foods and beverages, tobacco use, and other daily wear and tear. 

In this article, we will delve into the materials dentures are composed of, why they may lose their original colour, and the common reasons for denture stains, as well as addressing the question of whether it is possible to restore their natural whiteness.

The Reality of Whitening Dentures

When it comes to the prospect of whitening dentures, it’s essential to understand that traditional teeth whitening methods, such as those employed for natural teeth, are not suitable for dentures. 

Natural teeth are primarily composed of enamel, a hard, mineralised outer layer that plays a crucial role in protecting teeth from stains and discolouration. Whitening agents used for natural teeth, like hydrogen peroxide or carbamide peroxide, work by penetrating the enamel and breaking down the pigmented molecules responsible for staining. However, dentures are typically made from materials like acrylic or porcelain, which do not possess the same enamel layer. Consequently, there is no enamel to bleach, making traditional teeth whitening methods ineffective for dentures.

Furthermore, the texture and porosity of natural teeth differ significantly from dentures. Natural teeth have tiny pores and irregularities in their enamel surface where stains can accumulate, but denture materials are generally smoother and non-porous. This difference in texture makes it challenging for whitening agents to adhere to denture surfaces effectively, ultimately, making denture whitening slightly more difficult.

The material differences between natural teeth and dentures, make traditional teeth whitening techniques unsuitable for prosthetic dental appliances. Therefore, those seeking to rejuvenate the whiteness of their dentures should explore alternative methods specifically designed for these tooth replacements.

Recommended Methods for Cleaning and Whitening Dentures

If you’re looking to restore the brightness of your dentures safely and effectively, there are several recommended methods and products that can help. It’s essential to prioritise these methods to prevent damage to your dentures and maintain their longevity. Here are some tried-and-tested approaches:

1. Denture Cleaning Solutions:

Methods for cleaning dentures are designed specifically for dentures and are highly effective in removing stains and bacteria. These solutions are typically non-abrasive and can break down the residue left by food, beverages, and tobacco. To use them, simply soak your dentures in the solution as directed on the packaging. Be sure to rinse your dentures thoroughly before putting them back in your mouth to avoid any residual cleaning solution.

2. Gentle Brushing:

Using a soft-bristle toothbrush, gently brush your dentures to remove any remaining debris or stains after soaking them in a solution made for cleaning dentures. Avoid using regular toothpaste, as it can be abrasive and damage denture materials. Instead, opt for a mild liquid soap or denture-specific toothpaste recommended by your dentist. This can also help with denture stain removal.

3. Ultrasonic Cleaners:

Ultrasonic cleaners are devices that use high-frequency sound waves to clean dentures. They can be especially effective in reaching small crevices and removing stubborn stains. Follow the manufacturer’s instructions for proper use and be cautious not to overuse this method to prevent wear and tear on your dentures.

4. Daily Maintenance:

To prevent stains and discolouration from occurring in the first place, it’s crucial to practise daily denture maintenance. Rinse your dentures after each meal to remove food particles, and brush them gently to eliminate any remaining debris. This routine will help keep your dentures looking clean and bright.

5. Regular Dental Check-ups:

Schedule regular dental check-ups with your dentist to ensure that your dentures remain in good condition. They can offer professional cleaning and make any necessary adjustments to keep your dentures fitting comfortably and looking their best.

A Word of Caution:

While there are effective methods for cleaning dentures, denture stain removal and denture whitening, it’s essential to avoid harsh chemicals and abrasive materials, as they can cause irreversible damage to your dentures. Never use bleach, household cleaning products, or abrasive toothpaste on your dentures, as these can weaken the materials, result in discolouration, and lead to structural issues.

In conclusion, proper care and maintenance, along with the use of specialised denture cleaning solutions and gentle cleaning techniques, can help you keep your dentures looking their best and ensure a longer lifespan.

Preventive Measures to Avoid Denture Discolouration

To maintain the natural whiteness and overall appearance of your dentures, it’s essential to implement preventive measures that minimise staining. By incorporating these tips into your daily routine, you can effectively preserve the aesthetic quality of your prosthetic dental appliance:

1. Mindful Dietary Considerations:

Some foods and beverages are more likely to stain dentures than others. Foods like berries, tomato sauce, and dark-coloured spices can contribute to discolouration. Similarly, beverages like tea, coffee, red wine, and fizzy drinks can leave stubborn stains on dentures. While you don’t have to eliminate these items entirely from your diet, it’s a good idea to rinse your mouth and clean your dentures soon after consuming them.

2. Stay Hydrated:

Drinking plenty of water can help rinse away staining agents and reduce their impact on your dentures. Staying hydrated is not only beneficial for your overall health but also aids in maintaining your denture’s cleanliness and appearance.

3. Denture Care Routines:

Establish a consistent denture care routine. Rinse your dentures after meals to remove loose food particles and prevent them from settling in crevices. Brush your dentures gently with a soft-bristle toothbrush and a mild liquid soap or denture-specific toothpaste. Avoid using abrasive materials that can scratch the surface.

4. Soak Overnight:

Consider soaking your dentures in a denture-cleaning solution overnight. This can help break down stubborn stains and disinfect your dentures. Be sure to follow the product’s instructions for proper usage.

5. Regular Dental Check-ups:

Maintain regular visits to your dentist for professional cleaning and assessment of your dentures. Professionals can identify any issues early on and provide guidance on proper care techniques to avoid discolouration.

6. Avoid Smoking:

If you smoke, consider quitting or reducing your tobacco use. Smoking not only stains natural teeth but can also cause severe staining on dentures. Reducing or quitting smoking can help prevent denture discolouration and improve your overall oral health.

7. Cleaning Denture Adhesives:

If you use denture adhesives, make sure to clean them thoroughly from your dentures as residue can trap staining substances. Follow the manufacturer’s recommendations for proper application and removal of adhesive products.

By adopting these preventive measures and staying committed to your denture care routine, you can significantly reduce the risk of discolouration and keep your dentures looking clean and natural. Remember that regular cleaning, both at home and through professional dental visits, is key to preventing the buildup of stain-causing substances and ensuring the longevity of your dentures’ appearance and functionality.

Professional Denture Care

Seeking professional assistance for denture cleaning and repair can be essential for maintaining the appearance, functionality, and longevity of your dentures. Here’s when and why you should consider professional help, as well as the services denture technicians can provide to restore the appearance of discoloured dentures:

When to Seek Professional Denture Care

Routine Check-ups: Regular dental check-ups are recommended for denture wearers. Denture professionals can inspect your dentures to ensure they fit properly and make any necessary adjustments. This helps prevent discomfort, irritation, and potential oral health issues caused by ill-fitting dentures.

Denture Cleaning and Polishing: Professional cleaning and polishing can effectively remove stubborn stains and restore the original shine of discoloured dentures. Specialists in denture care have access to specialised equipment and cleaning solutions that are more potent than those available for home use.

Denture Relining or Rebasing: Changes in your jaw structure or gum tissue over time can lead to denture fit problems. Denture specialists like us can perform relining or rebasing procedures to adjust the fit of your dentures, ensuring they remain comfortable and secure. This minimises sore spots and discomfort.

Denture Repair: When dentures become damaged, it’s crucial to seek professional assistance promptly. A reliable can expertly repair cracked or broken dentures, often offering same-day services. Attempting DIY repairs may worsen the damage and compromise the functionality of your dentures.

Denture Replacement: If your dentures are extensively discoloured or worn out, it may be recommended replacing them with a new set. Modern denture materials and techniques can provide improved aesthetics, fit, and comfort, enhancing your overall quality of life.

Services for Restoring Discoloured Dentures:

Professional dentists and prosthodontists offer a range of services to help restore the appearance of discoloured dentures. These services include deep cleaning, where specialists employ cleaning methods to remove deeply embedded stains and discolouration from denture surfaces, bringing back their original colour and brightness. Additionally, professional denture care providers have access to professional-grade stain removal agents and equipment, making it possible to target and eliminate specific types of stains effectively. Denture polishing is another service that can smooth out any surface imperfections, remove minor scratches, and improve the overall appearance of your dentures, giving them a renewed shine.

Professional denture care is essential for maintaining your dentures in optimal condition. Regular check-ups, cleaning, adjustments, and repair services provided by specialists in denture care can help you enjoy comfortable and aesthetically pleasing dentures for years to come. If you’re dealing with discoloured dentures, rest assured that professional denture care can restore their appearance and enhance your smile’s natural beauty.

Alternatives to Whitening

While traditional teeth whitening methods may not be suitable for dentures due to their unique composition, there are alternative options for improving the appearance of your dentures:

Over time, the fit of your dentures can change due to factors like bone resorption or natural wear and tear. Denture lining involves adding a new layer of material to the inside of your dentures to improve their fit and comfort. This not only enhances their function but can also help in reducing the appearance of stains, as a better-fitting denture is less likely to trap food particles and debris.

When your dentures become extensively discoloured, worn out, or no longer fit properly, replacing them with a new set might be the most effective solution. Modern denture materials and techniques offer improved aesthetics, comfort, and durability. Your denture specialist can guide you through the process of obtaining a new set of dentures that will not only look better but also provide better functionality and comfort.

If your dentures have minor issues such as chips, cracks, or minor discolourations, professional denture repairs or adjustments can address these problems. Denture experts have the expertise to repair and enhance the appearance of your dentures, ensuring they function optimally and look their best.

Maintaining Your Dentures

Proper care and regular dental consultations are essential for preserving the appearance and longevity of your dentures. To keep your dentures in optimal condition, remember to clean them daily using a soft-bristle toothbrush and mild soap or denture-specific toothpaste, avoiding abrasive materials. 

After meals, rinse your dentures to remove loose debris and prevent stains. Soaking your dentures overnight in a denture cleaning solution helps break down stains and disinfect them. Steer clear of harsh chemicals like bleach and abrasive toothpaste that can damage the materials. Regular check-ups with your dentist or prosthodontist allow for assessment, adjustments, and professional cleaning. 

Invest in denture care products, handle your dentures with care, and be mindful of your diet to prevent staining. Quitting or reducing tobacco use is also advised, as smoking can lead to severe denture staining and affect your overall oral health. Proper maintenance ensures your dentures maintain their appearance, providing comfort, functionality, and a confident smile for years to come.


Maintaining the health and appearance of your dentures is crucial for your overall well-being and confidence. By following the recommended practices for denture care outlined in this guide, including daily cleaning, regular dental check-ups, and dietary awareness, you can ensure that your dentures remain in optimal condition. Consulting dental professionals for denture maintenance, adjustments, and repairs is invaluable in preserving both the functionality and aesthetics of your dentures. Your smile plays a significant role in your self-esteem and daily life, and by prioritising the care of your dentures, you can continue to enjoy a confident and comfortable smile for years to come. Remember, a healthy smile contributes to your overall health and enhances your quality of life, making it worth every effort to maintain your dentures diligently.

How Can We Help?

If you are still wondering ‘how to whiten dentures’, don’t wait until issues arise; take proactive steps to ensure the longevity and appearance of your dentures. Schedule regular check-ups with our denture specialists to ensure that your dentures are properly maintained. These professionals can provide expert guidance, address concerns about discolouration or damage, and recommend tailored solutions to keep your smile at its best. By taking action today, you can enjoy a confident and comfortable smile for years to come. Your oral health and overall well-being deserve the attention and care they require, so make that appointment and prioritise your denture’s health and appearance.

Medically Reviewed by:

Dip CDT RCS (Eng) Clinical Dental Technician
Determined to remain at the cutting edge of modern Dental Technology, David recently completed an intense training course in producing dentures that genuinely recreate the natural facial structures which are lost during the ageing process through tooth loss and gum regression. He, and his many patients, are overjoyed with the natural appearance and facial proportions which this new methodology offers.