Teeth Whitening: Risks of Abrasion and Staining - Dentistry

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What are the disadvantages of using abrasive whitening methods for discoloration of the front teeth?


A long time ago, when I visited the dentist, I asked how I could make my teeth whiter, and the dentist said that polishing was necessary.
However, the surface would become rougher, making it easier for deposits to accumulate.
I would like to know if the rate of accumulation would be significantly different.
Today, I went to another clinic, and the dentist didn't mention any drawbacks but proactively used a polishing tool (with a pink tip) on my teeth, which seems to be a polishing method.
How can I avoid easier accumulation in the future? In the past, I had mitral valve regurgitation, and I never took antibiotics during dental cleanings (the dentist never mentioned it).
Today, this dentist said that due to the valve issue, bacteria might accumulate there and cause inflammation.
Could the lack of antibiotics during all my previous cleanings have caused cumulative harm up to now?

Dou Dou, 10~19 year old female. Ask Date: 2016/06/02

Dr. Huang Zhicheng reply Dentistry


Hello,
1.
Teeth whitening primarily consists of two methods: removal of stain deposits (such as polishing and scaling) and bleaching (using chemical agents).
You mentioned the former, which involves the removal of stain deposits.
While polishing and scaling do remove a very thin layer of enamel, frequent procedures can inevitably lead to excessive damage to the tooth structure.
The rate of staining is mainly related to your exposure to pigments (such as from coffee, tea, smoking, etc.).
To minimize staining, it is advisable to reduce your intake of such foods.
2.
The decision to administer antibiotics during dental treatment should be evaluated by a cardiologist and determined by the dentist performing the procedure based on the risk of infection.
There is no need to worry excessively if you have not experienced infective endocarditis following dental treatment; however, if you have concerns, you may consult your cardiologist.
Wishing you health and safety,
Dr.
Chih-Cheng Huang,
Director of Dentistry, Taoyuan Hospital, Ministry of Health and Welfare

Reply Date: 2016/06/02

More Info


Teeth whitening is a popular cosmetic dental procedure aimed at enhancing the brightness of your smile. However, it is essential to understand the potential risks and side effects associated with various whitening methods, particularly those involving abrasion and the possibility of staining.

When you mentioned that your dentist suggested using a polishing technique to achieve whiter teeth, it is important to note that this method often involves the use of abrasive materials. While polishing can remove surface stains and give the teeth a brighter appearance, it can also lead to enamel wear. Enamel is the hard, protective outer layer of your teeth, and once it is worn down, it does not regenerate. This can make your teeth more susceptible to sensitivity, decay, and further staining.

Regarding your concern about the speed of staining after abrasion, it is indeed possible that teeth that have undergone polishing may accumulate stains more quickly. This is because the roughened surface created by the polishing can trap food particles and plaque more easily than a smooth surface. To mitigate this, maintaining excellent oral hygiene is crucial. This includes regular brushing with fluoride toothpaste, flossing daily, and using an antibacterial mouthwash to help reduce plaque buildup.

In your case, it seems that you have a history of mitral valve prolapse, which can complicate dental procedures. Patients with certain heart conditions, including mitral valve prolapse, may be at a higher risk for bacterial endocarditis, an infection of the heart lining. Dentists often prescribe antibiotics before dental procedures to prevent this risk, especially if there is a chance of bacteria entering the bloodstream. If you have undergone dental cleanings without antibiotics in the past, it is essential to discuss this with your dentist. They can evaluate your medical history and determine if prophylactic antibiotics are necessary for future dental work.

To avoid future staining and maintain the results of any whitening treatment, consider the following tips:
1. Limit Staining Foods and Beverages: Foods and drinks such as coffee, tea, red wine, and berries can stain your teeth. If you consume these, try to rinse your mouth with water afterward.

2. Practice Good Oral Hygiene: Brush your teeth at least twice a day and floss daily to remove plaque and prevent tartar buildup.

3. Regular Dental Check-ups: Regular visits to your dentist for cleanings and check-ups can help maintain your oral health and address any issues before they become significant problems.

4. Consider Professional Whitening Options: If you are looking for a more effective and safer whitening method, consult your dentist about professional whitening treatments that minimize enamel abrasion and provide longer-lasting results.

5. Use a Straw: When drinking staining beverages, using a straw can help minimize contact with your teeth.

In conclusion, while teeth whitening can enhance your smile, it is crucial to consider the methods used and their potential impact on your dental health. Always communicate openly with your dentist about your concerns, especially regarding your medical history and any procedures you undergo. This will ensure that you receive the best care tailored to your needs and help you maintain a healthy, bright smile for years to come.

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