Is it possible to whiten crowns? Just like real teeth, porcelain teeth need to be properly cared for and cleaned daily to ensure chewing ability and long-term use. However, in many cases, after a few years of use, porcelain teeth are no longer as bright as before. For this reason, many people ask the question “Is it possible to whiten crowns?” This will be answered by the article below.
Is it possible to whiten crowns?
Many people who have had dental crowns or veneers wonder, “Is it possible to whiten crowns?” The reality is that whitening agents only work on natural tooth enamel and have no effect on artificial materials such as porcelain (used in crowns and veneers) or composite resin (used for fillings). These substances do not react to bleaching products the same way natural teeth do. As a result, it is not possible to whiten crowns, veneers, or composite fillings through traditional teeth whitening methods. If discoloration occurs, the only solution would be to replace the crown or veneer with a new one.
See more: What Should You Avoid Eating After Getting Porcelain Crowns?
Causes of discolored and yellowed porcelain crowns
Metal porcelain crowns
There are two main types of dental crowns widely used: metal-porcelain crowns and all-ceramic crowns. Metal-porcelain crowns are constructed with a core made from a metal alloy, typically Nickel-Chromium-Titanium, and covered with a layer of porcelain on the exterior to mimic the natural look of teeth. However, due to the metal base, these crowns have some drawbacks over time. The metal component, when exposed to the acidic environment in the mouth, undergoes oxidation, which leads to discoloration of the tooth. This often results in the darkening or blackening of the gum line, particularly at the base of the tooth near the gum.Is it possible to whiten crowns
In addition to this, metal-porcelain crowns can create aesthetic concerns when exposed to light, as the underlying metal may shine through, giving the teeth a dull or grey appearance. This is especially noticeable in well-lit conditions, where the black metallic reflection becomes more apparent, detracting from the natural look of the teeth. If you notice that your porcelain crowns are becoming discolored, and you are using metal-porcelain crowns, replacing them with new ones—preferably all-ceramic crowns—can solve the issue and restore the bright, natural appearance of your smile.

Daily diet
The foods and beverages you consume play a significant role in the discoloration of porcelain crowns. Dark-colored foods and drinks, such as coffee, tea, soft drinks, red wine, and certain curries, can stain both natural teeth and porcelain crowns over time. Even though porcelain is more resistant to staining than natural enamel, repeated exposure to such substances can cause crowns to become yellow and lose their luster. Additionally, smoking is another major factor that contributes to the yellowing of porcelain crowns. Nicotine and tar from cigarettes can coat the crowns and diminish their original bright white appearance. Is it possible to whiten crowns
Oral hygiene and care routine
Neglecting proper oral hygiene can accelerate the wear and tear of porcelain crowns, leading to quicker discoloration and a reduction in their overall lifespan. Without regular cleaning, plaque and tartar build up around the crowns, which can lead to staining and a dull appearance. To maintain the longevity and appearance of porcelain crowns, it is crucial to follow a thorough oral care regimen. This includes brushing your teeth at least twice a day, using dental floss to remove food particles lodged between your teeth, and rinsing with mouthwash to keep your mouth free from bacteria. Regular dental check-ups also ensure that any early signs of staining or damage are addressed promptly.
Periodontal diseases
Underlying oral health issues, such as tooth decay, gingivitis, or pulpitis, can have a significant impact on the condition of porcelain crowns. If these conditions are not properly treated before placing crowns, they can compromise the integrity of the real tooth stump supporting the crown. This may lead to deterioration of the natural tooth, which in turn affects the overall stability and appearance of the crown. Over time, the discoloration of the underlying tooth stump can even cause changes in the color of the porcelain crown itself. Hence, it is essential to treat any existing dental issues prior to receiving crowns to ensure their longevity and effectiveness. Is it possible to whiten crowns
How to whiten porcelain crowns?

To know exactly how to treat yellowed, discolored porcelain crowns, you should go to a dental clinic for a doctor to examine and check your specific oral condition. First, the doctor will clean the porcelain teeth: polish and scrape tartar, to restore the original shine of the porcelain teeth. In short, whitening porcelain teeth is unnecessary and ineffective, because the whitening agent only works on real tooth tissue. Is it possible to whiten crowns
After checking and detecting signs such as periodontitis or oral diseases, the doctor will remove the porcelain crown, check the tooth stump and completely treat the disease. Then wait for the tooth to recover before covering it with a new porcelain crown.
In cases where your porcelain teeth are severely yellowed and you want to have bright white teeth like before, the best method of whitening porcelain teeth is to replace the porcelain crown for discolored porcelain teeth. Is it possible to whiten crowns
Note that when re-covering new porcelain, you should choose for yourself the type of all-ceramic teeth to avoid the situation of porcelain teeth easily being oxidized after a period of use. All-ceramic teeth are considered to have natural gloss, color fastness and the longest lifespan among the current porcelain teeth lines.
See more: Choosing between dental fillings for tooth erosion or dental crowns
Simple ways to keep porcelain crowns white for longer
Choosing the right dental for porcelain teeth
The quality of your porcelain teeth and the skill of the dentist who performs the procedure are crucial factors that affect how long your porcelain teeth will last. Many issues, such as early discoloration or damage, can arise if the procedure is not done correctly or if low-quality materials are used. To ensure long-lasting results, follow these guidelines when choosing a dental clinic:
- Reputation: Look for a reputable dental clinic with a strong track record and positive customer reviews. Check testimonials, online reviews, and feedback from previous clients to assess the clinic’s reliability. Is it possible to whiten crowns
- Modern facilities: The clinic should be equipped with advanced dental technology and tools. Modern, well-maintained equipment is essential for precise, high-quality results in dental procedures.
- Experienced dentists: Ensure that the clinic has a team of qualified dentists with proper certifications and extensive experience in performing porcelain tooth restorations. The skill and expertise of the dentist can significantly impact the longevity and appearance of your porcelain teeth.
- Material quality: Before the procedure, ask about the origin and quality of the materials being used for your porcelain teeth. Verify the source of the porcelain and request a warranty card, if available. High-quality materials will resist wear, staining, and discoloration better than cheaper alternatives.
By carefully selecting a reputable clinic with experienced professionals and high-quality materials, you will be setting the foundation for durable, long-lasting porcelain teeth that maintain their aesthetic appeal for years.

Caring for porcelain teeth to prolong the lifespan
Once you have your porcelain teeth in place, it is essential to follow proper care and maintenance routines to protect them from damage and discoloration. Even though porcelain is more stain-resistant than natural teeth, without the right care, they can still become dull or damaged over time. Here are some key tips for maintaining porcelain teeth:
- Avoid damaging habits: Avoid habits like grinding your teeth (bruxism), biting your nails, clenching your jaw, or chewing on hard objects like ice or nuts. These habits can put stress on the porcelain and may cause cracks or chips in the material over time.
- Dietary considerations: While porcelain teeth are more resistant to staining, they are not immune to the effects of certain foods and drinks. Try to limit your intake of dark-colored foods and beverages such as coffee, tea, red wine, and cola, as these can still cause your porcelain teeth to appear dull over time. If you do consume these, rinse your mouth with water afterward to minimize staining.
- Daily oral hygiene: Proper oral hygiene is essential to keep your porcelain teeth and natural teeth in top condition. Follow these steps:
- Brush your teeth at least twice a day using a soft-bristled toothbrush to avoid scratching or damaging the porcelain surface.
- Use toothpaste with a suitable amount of fluoride to keep your teeth and gums healthy, but avoid abrasive toothpaste, as it can wear down the porcelain over time. Is it possible to whiten crowns
- Brush gently and in a horizontal motion to prevent unnecessary stress on the crowns or veneers. Is it possible to whiten crowns
- Replace your toothbrush every three months or sooner if the bristles become worn, as an old toothbrush can be less effective at cleaning and can damage the porcelain over time.
- Flossing and mouthwash: After each meal, use dental floss and mouthwash to remove food particles and plaque that could accumulate between your teeth. This helps prevent the buildup of bacteria, which can lead to gum disease or infection that might affect the integrity of your porcelain teeth. Is it possible to whiten crowns
- Gum massage: Gently massaging your gums with your fingertips can stimulate blood flow and improve gum health. This is especially important because healthy gums provide essential support for your porcelain teeth.Is Is it possible to whiten crowns it possible to whiten crowns
Regular dental check-ups
Regular dental visits are crucial for ensuring that your porcelain teeth stay in optimal condition. You should see your dentist every six months for a check-up and cleaning. During these visits, your dentist can assess the health of both your porcelain crowns and your natural teeth and address any potential issues before they become more severe.
- Early detection of problems: If you experience any unusual symptoms, such as tooth sensitivity, pain, discomfort, or signs of infection, don’t wait for your regular check-up. These could be signs of issues like cracks in the porcelain, gum disease, or an infection in the underlying tooth structure. Prompt treatment can prevent further complications and help maintain the lifespan of your porcelain teeth. Is it possible to whiten crowns
- Polishing and maintenance: During your dental check-ups, your dentist may polish your porcelain crowns or veneers to restore their shine and remove any surface stains. This professional cleaning can help your porcelain teeth maintain their bright, white appearance over time.
We have just addressed the common question: Is it possible to whiten crowns? At Bally, we take every measure to ensure that your orthodontic treatment is not only effective but also enhances your facial aesthetics. With our experienced team, modern equipment, and personalized care, you can trust that your braces experience will be smooth and successful. When you choose Bally, you’ll leave with a smile that you’re proud to show off, completely satisfied with the quality of service and the results we deliver. Is it possible to whiten crowns
See more: Can damaged crowns be replaced? and 4 things to know