Why do I have yellow teeth when I brush them every day?

The root of yellow teeth

• Unavoidable causes 

This group of reasons that cause yellow teeth even with a regular toothbrush are not caused by plaque and bacteria and include:

• • Genetics

    One of the most fundamental causes can be genetics. 

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• • • How to recognize that the yellowness of our teeth is genetic?

      There are some signs by which you will know that the yellowness of your teeth may be genetic. Which include:
      1. If several family members, especially parents or siblings, show the same tooth color despite good oral hygiene, it can indicate a genetic component.
      2. People whose teeth color is genetically determined may notice yellowing from a young age, even before exposure to staining agents such as coffee, tea, or tobacco. This early onset of tooth discoloration, independent of external factors, is a potential indicator of genetic influence.
      3. If the dark color of your teeth is evenly spread over the entire tooth, it indicates that underlying genetic factors have affected the overall tooth pigmentation.
      4. Resistance to whitening attempts despite adherence to recommended protocols may indicate intrinsic factors, such as genetic variations in enamel structure or thickness.

    • Whitening solution for genetically yellow teeth:

      Whitening kits, toothpaste, and whitening mouthwashes can penetrate into the porous structure of enamel and oxidize pigment molecules, leading to a reduction in surface discoloration and, to some extent, improving the brightness of teeth in the long term. 

Professional whitening treatments performed by a dentist, such as veneers and laminates, remain the most effective option to whiten teeth that are genetically dark and yellow.

Note: Bleaching will not be effective in this regard. Because this method is used to remove stains on the surface of the teeth..

• • Aging

    As people age, tooth enamel undergoes natural decay and erosion. By weakening it, the underlying layer of dentin, which is yellow, is exposed. As a result, by eating and chewing a variety of foods, you will see changes in the color and yellowness of the teeth. The solution of genetic yellowness of teeth is also true in this case.

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• • Taking certain medications:

    According to the studies, the use of some medicines causes yellowing of the teeth and the formation of layers in the teeth. As:

    • Antibiotic use in childhood
    • Use of tetracycline during pregnancy  ( From the beginning of the first trimester of pregnancy )
    • Breastfeeding can (mother’s milk can naturally cause children’s teeth to be yellow)
    • Using mouthwashes containing chlorhexidine
    • Taking the acne medication minocycline
    • Undergoing chemotherapy or radiation therapy

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• • • Can tooth yellowing caused by the use of drugs be removed by brushing?

      Unfortunately, the yellowing of teeth caused by using certain medications, known as intrinsic staining, usually cannot be effectively removed by regular brushing.

      Drug-induced internal staining is more resistant to removal because it affects the deeper layers of enamel, making it difficult for surface cleaners to penetrate and remove the discoloration. While regular brushing is essential to maintaining overall oral health and minimizing the accumulation of plaque and surface stains, it is unlikely to change the color of teeth affected by internal stains significantly.

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• • • whitening solution for yellow teeth caused by the use of medicine:

      For people experiencing medication-induced yellowing of their teeth, it is important to consult an experienced dentist to discuss appropriate treatment options.

      Depending on the severity of the staining and underlying causes, the dentist may recommend specialized whitening treatments such as professional teeth whitening, porcelain veneers, composite bonding, or other cosmetic procedures designed to remove internal stains and improve the smile’s appearance.

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• • Excessive use of fluoride

    • Can tooth stains caused by excessive use of fluoride be removed by brushing?

      Excessive use of fluoride, a condition known as dental fluorosis, while mild cases of dental fluorosis may only appear as fine white streaks or spots on the teeth, more severe cases can cause coffee stains. or moles that may affect the overall appearance of the teeth. Brushing alone is unlikely to cure dental fluorosis or discoloration, especially in more severe cases.

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• • • What are the treatment options for severe fluoride stains?

      Treatment of dental fluorosis usually requires professional intervention and may include different treatment options tailored to the individual’s specific needs.
      It can be one of the following:
      1. Microabrasion.
      2. Composite bonding.
      3. Porcelain Veneers. 

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• • Filling teeth with silver

    Sometimes, your dentist may use silver filling materials for your teeth for various reasons (this usually happens in molars that need strength more than beauty).
    In this case, brushing will not cause whitening and change the silver color of the filling. And if their color bothers you, you can ask your dentist to replace them with white material.