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9 side effects of teeth bleaching - is teeth whitening dangerous?
مقاله تخصصی

9 side effects of teeth bleaching - is teeth whitening dangerous?

3 weeks ago
664 بازدید
Dr. Mohammad Reza Chiragian

Dr. Mohammad Reza Chiragian

تهران

dentist

عوارض بلیچینگ دندان

تاریخ انتشار 1404/10/03

آخرین بروزرسانی 1404/10/03

آیا سفید کردن دندان خطرناک است؟
9 عوارض بلیچینگ دندان - سفید کردن دندان خطرناکه؟

آیا سفید کردن دندان همیشه بی‌خطر و بی‌عیب است؟ موفقیت فرآیند بلیچینگ بستگی زیادی به نوع و شدت تغییر رنگ‌های داخلی دندان دارد. Stains that were created during growth or after tooth eruption may not be removed by usual methods.

Various factors such as high consumption of fluoride, certain drugs, genetic defects, physical injuries, aging and even some dental treatments can cause complex and different color changes in the teeth.

In this article, we discuss the effects of bleaching in detail, from tooth sensitivity and gum irritation to structural damage and problems caused by excessive whitening, so that you can make the best decision to have a healthy and beautiful smile.

Most tooth stains are caused by external factors such as coffee, tea, red wine and smoking, which can be easily removed by professional teeth cleaning (prophylaxis). But when these stains become deeper and penetrate into the microscopic cracks and crevices of the tooth, the usual cleaning does not work and they find the need for bleaching.

Although teeth whitening gives a beautiful appearance, it may come with complications, which we will discuss in this article about 9 of them that you probably did not know. By knowing these complications, you can have a healthy and attractive smile with more knowledge and a smart decision.

1- Sadness for sensitive teeth: tooth sensitivity

Tooth sensitivity is one of the most common side effects of bleaching, which usually occurs due to the penetration of bleaching agents into tooth enamel and irritation of internal nerves. This sensitivity can be accompanied by a feeling of pain or shooting when coming into contact with cold, hot or even cold foods and drinks. Although this condition is usually temporary and resolves after a few days or weeks, for some people it may last longer and make the bleaching experience unpleasant.

Solution: To reduce tooth sensitivity after bleaching, regular use of anti-allergic toothpaste and avoiding very cold or hot foods and drinks is recommended.

2- Fire on the gum wound: gum irritation and burn

irritation and burn gum

Another side effect of teeth bleaching is irritation and burning of the gums, which can cause discomfort and inflammation in the soft tissue around the teeth. Bleaching chemicals in some cases may come in contact with the gums and lead to redness, burning and even small sores in the gum area. This condition is not only painful, but may also affect the process of healing and whitening of teeth.

Solution: To reduce gum irritation, it is recommended to use special bleaching protectors and wash gently with lukewarm water after treatment; Also, in case of burns, it is necessary to consult a dentist for quick treatment.

3- Break the armor of the teeth: damage to the tooth enamel

Tooth enamel, like protective armor, is responsible for protecting the internal structure of the tooth. Improper or excessive use of bleaching methods can damage this protective layer and make tooth enamel weak and brittle. Damage to the enamel makes the teeth more sensitive, increasing the risk of decay and reducing the durability of whitening. This complication may cause more serious problems for oral and dental health over time and requires specialized treatment.

Solution: To prevent damage to tooth enamel, it is better to perform bleaching under the supervision of a dentist and avoid frequent use of whitening products without consultation.

4- Whiteness and brilliance riding the wind: short-term results

One of the disadvantages of teeth bleaching is the short-term durability of the whitening results, which can cause disappointment to many people. After bleaching, teeth may quickly return to their original color, especially if dietary and behavioral habits such as coffee, tea, or smoking are not abandoned. This short-term whitening effect requires repeated treatment or special care to maintain the beauty of the smile.

Solution: To increase the durability of bleaching results, it is recommended to avoid using colored substances, observe oral hygiene carefully and follow up restorative sessions as recommended by the dentist.

5- Twilight smile: not whitening the fillings with

One of the limitations of teeth bleaching is that whitening agents cannot change the color of fillings, veneers, or other dental restorations. This causes the natural teeth to whiten, but the restorations retain their previous color, resulting in a disparate smile that looks like a "twilight" pattern. This color inconsistency can reduce the beauty and uniformity of the smile and discourage people from doing bleaching.

Solution: To have a harmonious smile, after bleaching, you can replace the old restorations or use methods such as composite veneers to harmonize the color of the teeth.

6- Playful and smudged smiles: heterogeneous results

heterogeneous results

One of the common challenges in teeth bleaching is creating patchy and patchy results that can negatively affect the appearance of your smile. This situation occurs when the whitening agents are not spread evenly on the surface of the teeth or old and deeper stains remain in some areas. Also, the presence of restorations, fillings or veneers that do not whiten, causes color differences and inconsistencies in the smile. This heterogeneity can create a sense of insecurity in a person and reduce the beauty of a smile.

Solution: To achieve a uniform and bright result, it is recommended to consult a dentist before bleaching and, if necessary, use complementary methods such as bonding or veneers to repair stains and harmonize the color of the teeth.

7- Royal price: relatively high cost

One of the important points in deciding to bleach the teeth is the relatively high cost of this beauty treatment, which may be a limitation for some people. The use of high-quality materials, advanced equipment and specialized dental services will increase costs, but this investment is necessary to achieve a healthy and bright smile. In some cases, doing bleaching in unauthorized centers with low-quality products may be less expensive, but it can bring serious risks and complications.

Solution: To save money without reducing quality, it is better to consult a dentist before starting the treatment and set up a plan that fits your budget and needs.

8- Battle in the Inner Land: Occurrence of Digestive Problems

Although teeth bleaching is a topical method, it can cause digestive problems in some cases. Ingesting small amounts of bleach or resulting allergies may lead to discomfort such as heartburn, nausea or abdominal pain. These side effects are usually temporary, but if repeated, they can affect the health of the digestive system. Also, some people are more sensitive to the chemicals in bleaching products, which irritate their digestive system.

Solution: To prevent digestive problems, it is recommended to avoid swallowing bleaching materials during and after bleaching, and if symptoms occur, consult a dentist or doctor immediately.

9- Surprising whiteness of Hor and Sepidar: abnormal whitening of teeth

Sometimes teeth bleaching can lead to excessive and unnatural teeth whitening; A state that in mythology is likened to "the dazzling whiteness of Hor and Sepidar". This type of exaggerated whiteness may make your smile look unrealistic and artificial and affect the natural beauty of the teeth. Also, this excessive whitening can damage tooth enamel and increase sensitivity.

Solution: To avoid unnatural whitening, perform bleaching only under the supervision of a dentist and avoid using strong and unauthorized whitening products.

Complications of teeth bleaching with laser

Bleaching teeth with laser is one of the effective methods of whitening teeth, but it may come with some complications and limitations, the most important of which are mentioned below:

  • Increasing the sensitivity of the teeth that may last for several days after the treatment
  • irritation or damage to the gums due to the contact of bleaching agents with soft tissue
  • Possibility of damage to the dental pulp and tissues around the mouth
  • Loss of minerals and natural tooth fluoride which may weaken tooth enamel
  • increasing the risk of erosion or tooth decay in the long term
  • The lack of suitability of this method for people undergoing orthodontic treatment or with tetracycline-resistant stains
  • Limited access to this treatment in all dental centers
  • Relatively high cost and the need for several sessions to achieve the desired results
  • Possibility of creating heterogeneous and non-uniform results in teeth whitening

Complications of teeth bleaching at home

Teeth bleaching at home using various kits and products is a popular and accessible method, but it may come with some complications and risks that you should be aware of:

  • Possibility of increased sensitivity of teeth to cold, heat or pressure
  • Gum irritation or damage due to prolonged or improper contact with whitening agents
  • Inconsistent and non-uniform result due to improper distribution of materials on the teeth
  • Damage to tooth enamel in case of excessive or incorrect use of whitening products
  • Possibility of chemical burns in the soft tissues of the mouth
  • short-term durability of the results and the need to repeat the treatment frequently
  • Inability to bleach fillings, veneers and other restorations
  • Danger of swallowing chemicals and digestive problems
  • Lower cost but with more risk than bleaching under the supervision of a dentist

Choosing between doing bleaching at home or at the dental office is a question for many people. In the table below, a comprehensive and detailed comparison of the features of home and dental bleaching is presented so that you can make a fully informed decision.

Features Bleaching at home Bleaching in dentistry
duration of the result Medium to long lasting, but needs to be reapplied High durability and faster with predictable results
Bleach concentration Less and gentler density Higher concentration and more effective
possibility of tooth sensitivity Less due to lower material concentration It may be more, but it is controlled under the supervision of a dentist
requires expert supervision Requires strict instructions and little supervision Complete and specialized supervision by a dentist
ease of use comfortable and can be done at home need to visit in person and schedule meetings
cost usually less Usually more due to equipment and expertise
Risk of side effects Higher likelihood of misuse and damage Less and more tightly controlled
uniform results may be heterogeneous More uniform and professional results
whitening restorations Not done It is not usually done, but the dentist can give a solution

Review Rumors about teeth bleaching: are they true?

In social networks, there are many comments from users about teeth bleaching, some of which are true and some of which are rumors. In this section, we will examine these real opinions and their truth or falsity so that you can make a decision with a clearer vision.

The first case: My dear, if you want, tell your doctor that I want home bleaching (home bleaching), that is, the doctor will take a mold, make two clear molds for you from the fact, and give you a bleaching agent to put in the mold and put it in your mouth overnight. After two weeks, you usually get an answer.

Checking the accuracy of the comment: Home bleaching may have better durability and less sensitivity, but because it requires precision and specialized knowledge, it is better to be done under the supervision of a dentist to prevent damage to the teeth and gums and to achieve a better result.

The second case: During bleaching, the teeth usually become sensitive, so the doctor prescribes an anti-allergic gel, you put it in the same mold and use it. It is better not to use coffee, tea, or colored substances, or reduce it or use it diluted, because the teeth will be colored again.

Check the correctness of the comment: The comment is completely correct and expresses the important points of care for the success and reduction of bleaching complications. Observing these points will increase the durability and reduce the sensitivity of the teeth.

Case 3: Bleaching is not permanent, the color will return unless you pay for it after the work you do at the office and buy home bleaching, which you have to use every night. I think it will damage my teeth a lot. But then it got better, but the color came back like it was perfect. After bleaching for a while, you have to go to a number of places where the device has a UV mode and is very advanced and does not have any dentist. If you go to them, it will be great.

Check the accuracy of the comment: The comment expresses a real experience and important points about the limitations and complications of bleaching. To reduce sensitivity and maintain teeth health, it is recommended to do bleaching under the supervision of a specialist and avoid excessive use of household products.

There are many negative side effects associated with teeth whitening (sensitivity to cold, etc.), however there are several ways to avoid these side effects!

Although tooth bleaching is an effective method to whiten teeth, it requires special care after treatment to maintain the result and prevent possible damage. Observing the following tips will help the tooth color last better and oral health:
  • Avoid consuming colored foods and drinks such as coffee, tea, soft drinks and colored sauces for at least 48 hours
  • Avoid smoking, which can cause rapid discoloration of teeth
  • regular use of toothbrush and dental floss to maintain oral hygiene
  • Using hypoallergenic toothpaste in case of temporary tooth sensitivity
  • Drinking enough water to help wash away colored substances and keep the mouth moist
  • Regular visits to the dentist to check the condition of the teeth and make necessary repairs
  • Avoid frequent and unconsulted use of household whitening products
  • In case of severe pain or sensitivity, consult a dentist immediately

Before starting the bleaching process, observing a few important points will help you get a better and safer result and avoid possible complications:

  • Consultation with a dentist to check the health of teeth and gums
  • Treatment of any dental problems such as decay or gingivitis before bleaching
  • Inform the dentist about any sensitivity or allergy to whitening materials
  • Avoid consumption of dyes and tobacco at least 24 hours before bleaching
  • Choosing the right bleaching method according to the condition of the teeth and budget
  • Awareness of bleaching limitations such as dental restorations that do not whiten
  • Strictly following the dentist's instructions in using home bleaching products (if prescribed)
  • Be prepared for the possibility of temporary tooth sensitivity after treatment

Usually between 6 months and 2 years, depending on aftercare and lifestyle.

Usually not recommended due to possible sensitivity and unknown effects on the fetus.

Resources

https://www.fernyhillsdental.com.au/2025/04/14/is-teeth-whitening-harmful-what-are-the-side-effects-and-how-can-you-avoid-damage/

https://www.inspireddoc.com/side-effects-of-teeth-whitening/

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