Can yellow teeth be whitened? (2024)

This is an automatically translated article.

Yellow teeth greatly affect aesthetics, causing loss of confidence when communicating. However, you do not need to worry too much about yellowing teeth, because yellow teeth can be completely whitened by modern dental methods and technologies.

1. Why are teeth stained yellow?

Teeth are yellow due to many causes, both subjective and objective. One factor that easily causes yellow teeth is smoking, drinking a lot of tea, coffee ... is the direct cause of teeth yellowing over time. Eating and drinking dark foods and beverages such as red wine, co*ke, concentrated sauces in dishes, some fruits such as grapes, blueberries, pomegranates... can also cause teeth to stain. Because in these foods, drinks, and fruits contain a large amount of high pigments, Chromogen easily causes adhesion to tooth enamel, gradually causing enamel to yellow.
Some highly acidic foods and drinks also cause enamel to become yellow compared to the original. Acids in food cause erosion of tooth enamel, supporting the process of chromogen attaching to teeth. However, depending on the location and nature of the enamel of each person, the degree of effect of yellowing teeth will not be the same.
The current way to treat yellowed teeth to white is teeth whitening with many methods. Currently, teeth whitening is the most trusted and chosen way to whiten teeth to have white, healthy teeth. However, in order to effectively whiten your teeth, your teeth must be healthy, such as no wear at the roots, no large fillings, and no cavities. Usually in cases where the teeth have the above conditions, the dentist will advise against whitening teeth, because there will be a risk of permanent tooth damage. Some cases of oral diseases such as gingivitis ... the patient must be treated to be able to proceed with whitening.

Can yellow teeth be whitened? (1)

2. Can yellow teeth be bleached?

Yellow teeth can be completely whitened with teeth whitening technologies at the dentist or at home. Depending on the status of your yellow teeth as well as your needs, the doctor will advise and prescribe the appropriate method.

2.1 Laser teeth whitening

This is the most popular method to whiten yellowed teeth currently used by customers in need. With laser teeth whitening technology, the dentist will examine the health of the teeth, whether it is safe to whiten or not, check the current tooth color and perform good oral hygiene before treatment. yellow teeth. Then apply a bleaching gel and shine a blue laser light on the surface of the yellowed tooth. Let the lamp shine for about 1 hour, during this time, the dentist will check and adjust the light so that the customer does not have too much tooth sensitivity and achieve the best whitening effect.
Mechanism of bleaching yellow teeth under the action of blue light is that the whitening gel will penetrate quickly into the dentin, breaking the color bonds that make teeth yellow. In addition, the laser light also has the effect of stimulating stronger gum tissues without affecting the teeth or surrounding tissues. Therefore, customers will not feel any pain or discomfort, but only mild sensitivity. The sensitivity can be corrected by the dentist during the whitening process.

2.2 Teeth whitening at home

At-home teeth whitening will take longer and need to be maintained for 7-10 days, 8-10 hours a day at night. Bleaching at home, customers need to be persistent to achieve maximum results. With home bleaching, your dentist will check your teeth's current color level, prescribe medication, take impressions of your teeth and make a daily whitening tray. At the same time, provide specific instructions on how to use the eraser cream and how to wear it properly.

Can yellow teeth be whitened? (2)

3. Note when bleaching yellow teeth

Teeth whitening is recommended by doctors not to be applied in some of the following cases:
Patients who are allergic to teeth whitening drugs should stop bleaching immediately Pregnant and breastfeeding women Children under 16 years old are not allowed to whiten yellow teeth because they easily irritate the pulp. Patients with gingivitis, open neck, mechanical neck wear expose dentin. Above is the answer to the question, how to whiten yellow teeth? With the above methods, you can apply them at home or go to the specialists to be consulted and appointed by qualified doctors.
At the Department of Teeth - Jaw - Face - Vinmec International General Hospital, teeth whitening is done with the most modern laser technology, effective for most people with yellow teeth. All examination procedures are performed by a team of qualified doctors and dentists, with modern equipment and machines. Therefore, customers can be assured of medical quality at Vinmec.

Please dialHOTLINEfor more information or register for an appointment HERE.Download MyVinmec app to make appointments faster and to manage your bookings easily.


  • Yellow teeth: Causes and treatment
  • Advantages and disadvantages of current teeth whitening methods
  • Teeth whitening strips and things to know

This article is written for readers from Sài Gòn, Hà Nội, Hồ Chí Minh, Phú Quốc, Nha Trang, Hạ Long, Hải Phòng, Đà Nẵng.


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Can yellow teeth be whitened? (2024)


Can yellow teeth be whitened? ›

Yellow teeth can regain whiteness through various methods, including good oral hygiene, professional dental cleanings, and teeth-whitening treatments. Stains from coffee, tea, or tobacco can be removed with adequate oral care, while professional procedures like bleaching or laser treatments offer quicker results.

Is it possible to fully whiten yellow teeth? ›

What Can Be Done to Whiten Yellow Teeth? If you're looking for a radical change in the coloring of your teeth, you need professional-grade whitening to get the job done. Your cosmetic dentist can provide treatment that penetrates deep into the enamel and removes years of stains with a powerful bleaching agent.

Can your teeth go back to white after being yellow? ›

Discolourations are generally responsive to bleaching procedures, and dentists can advise on how to whiten yellow teeth, depending on your case. Your dentist can provide bleaching kits to take home and use over a period of time, as well as in-office bleaching procedures.

Can yellow teeth be permanent? ›

Age, injuries, trauma, medications, disease and genetics can all be causes for teeth discolouring and becoming yellow in colour. Yellow teeth caused by genetics, age, illness or injury are permanent and need professional dental attention to address.

Why are my teeth not white after whitening? ›

Teeth can become temporarily dehydrated after using whitening strips. Your teeth may appear more yellow as a result of this dehydration because the enamel may become dry and lack moisture. Dehydrated enamel sometimes has a transparent appearance that makes the naturally yellowish dentin underneath visible.

Why won't my yellow teeth whiten? ›

The natural color of teeth can vary due to various factors, including genetics, age, and lifestyle habits. Some individuals naturally have teeth that are darker or have a yellowish tint. These teeth may have a denser enamel layer or more pigmented dentin, making them more resistant to whitening treatments.

How long does it take to whiten really yellow teeth? ›

How Long Does It Take Yellow Teeth To Turn White? If you opt for at-home products like dentist-recommended whitening toothpaste and brush twice daily, results can be seen in two to six weeks. There are many types of whitening toothpaste, and their effects can vary.


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