Find out about the cause and treatment of the yellow discoloration of the teeth. Discover how to maintain a bright and healthy smile.

Learn about the cause and treatment of yellowing teeth. Find out how to maintain a bright, healthy smile.

Having yellow spots on the teeth is a common concern for many people, since it can significantly affect the aesthetics of their smile and their general confidence. The discoloration of the teeth may be due to several factors, such as lifestyle, oral hygiene habits and certain underlying diseases. Understanding the causes of this problem is crucial to determine the appropriate treatment options and get a brighter and brighter smile.

Yellow spots on the teeth may be due to:

  1. Excessive consumption of very pigmented food and drinks, such as coffee, tea, red wine and dark fruits.
  2. Smoking or consuming tobacco, which contains substances that can cause persistent spots on the teeth.
  3. Bad oral hygiene practices, such as brushing and an inappropriate dental thread use, which lead to plaque accumulation and discoloration.

Apart from these external factors, the internal causes of dental discoloration can also play an important role. Certain medications, such as tetracycline, can cause yellowing of teeth in children whose teeth are still developing. In addition, dental diseases such as caries and enamel erosion can contribute to the yellowing of teeth, since the internal layers of the tooth become more visible through a fine or damaged enamel.

To effectively treat yellow spots on the teeth, it is important to consult a dentistry professional who can offer personalized advice based on the specific situation of each person. Professional dental whitening treatments, in the office or at home, can effectively eliminate surface spots and restore the natural white color of the teeth. These treatments often imply the use of bleaching agents that penetrate the enamel to eliminate spots and shine to teeth.

The Causes of Yellow Teeth

One of the main responsible for yellow teeth is the lack of oral hygiene. Do not brush your teeth or use dental thread regularly allows the plaque, a sticky film of bacteria, accumulate in your teeth. Over time, this plate can harden and become tartar, which not only causes tooth decay, but also contributes to the discoloration of the teeth. Maintaining an adequate oral hygiene routine, which includes brushing at least twice a day and the daily use of dental thread, is crucial to prevent and reduce yellowing.

“Bad oral hygiene is one of the main causes of yellow teeth, since it allows the plate to accumulate and harden until it becomes tartar.”

  • Another important factor that can cause yellow teeth is the consumption of certain foods and drinks. Dark drinks, such as coffee, tea and red wine, contain chromogens, pigments that can stain dental enamel. Acid foods and drinks, such as citrus and soft drinks, can also erosion the enamel, making teeth look more yellow. Limiting the intake of these substances that stain and rinse the mouth with water after consuming them can help reduce discoloration.
  • It is known that smoking and consuming tobacco contribute to the yellowing of the teeth. Nicotine and tar present in cigarettes can penetrate enamel and cause deep spots. In addition, smoking reduces saliva production, which causes oral dryness and allows bacteria and spots to accumulate more easily. Stop smoking not only improves health in general, but also helps prevent yellow teeth.
  1. Medical conditions and certain medications can also be responsible for yellow teeth. Diseases such as jaundice, liver problems and certain autoimmune disorders can cause teeth yellowing due to their impact on the organism’s metabolic processes. In addition, some medications, such as certain antibiotics and antihistamines, can cause the discoloration of teeth as a side effect. If the yellowish coloration of the teeth is a consequence of a disease or medication, it is necessary to consult a healthcare professional to receive adequate treatment and management.

Preventing Yellow Teeth: Tips and Techniques

1. Brushing and use of dental thread

  • One of the most important steps to prevent yellow teeth is to maintain a regular oral hygiene routine. Brown your teeth at least twice a day, using a teeth with fluorine and a soft bristle brush.
  • In addition to brushing, the dental thread is essential to remove the plate and the remains of between the teeth and along the gum line. Be sure to use the tooth thread at least once a day.

“Adequate brushing and the use of tooth thread are essential to remove the plate and prevent the accumulation of spots on the teeth.”

2. Avoid food and drinks that stain

  • Very pigmented foods and drinks, such as coffee, tea, red wine and berries, can contribute to teeth discoloration. Limit the consumption of these foods or rinse your mouth with water after consuming them to minimize the effects of spots.
  • Acid foods and drinks, such as citrus and carbonated drinks, can erode dental enamel, making teeth more likely to stain. It is important to consume these foods in moderation and rinse your mouth later.

“Reducing the consumption of food and drinks that stain can help prevent yellow teeth.”

3. Periodic dental reviews and cleaning

  • Programming regular dental reviews and cleaning is essential to maintain good oral health and prevent yellow teeth. Dentists can detect early signs of discoloration of the teeth and perform professional cleansing to eliminate difficult spots and plate.
  • A professional cleaning implies the use of specialized tools and techniques to eliminate superficial spots and polish the teeth, leaving them with a brighter and healthier appearance.
Benefits of periodic dental reviews and cleanings
– Early detection and treatment of dental discoloration
– Professional cleaning to remove stains and more resistant plaque
– Orientation on adequate oral hygiene techniques

Types of Teeth Whitening Products

1. Whitening Toothpaste

Dentifriques formulated specifically for whitening teeth are a very popular homemade treatment option. These dentifrices contain soft abrasives and special chemical substances that can help eliminate surface spots and clarify the color of the teeth. However, it is important to keep in mind that bleaching dentifrices may not be effective in treating deep spots or discoloration that originates under the surface of the tooth.

When you choose a whitish dentifric, you are looking for one that has been approved by dental associations and contains ingredients such as hydrogen peroxide or carbamide peroxide. It is known that these chemicals effectively eliminate spots and provide you with a brighter smile. However, it is essential to use bleaching toothpaste according to the indications and not in excess, since excessive use can cause dental sensitivity.

2. At-Home Whitening Kits

Another popular option for whitening teeth is homemade whitening kits. These kits usually consist of a bleaching agent (usually in the form of gel) that applies to some buckets as they are placed on the teeth. The bleach of these kits is usually a low concentration of hydrogen peroxide. Dentists usually recommend these kits, which offer a more economical solution than professional treatments.

  1. Follow the kit instructions carefully to ensure safe and efficient use.
  2. It is important to keep in mind that homemarking kits may take longer to produce appreciable results than professional treatments, since bleaching agents are usually less concentrated.
  3. Consistency and patience are essential when using at-home whitening kits. Results may vary depending on the person and the severity of the spots.

Remember that it is always a good idea to consult with your dentist before starting any teeth whitening treatment to make sure it is suitable for your oral health needs.

Benefits and Risks of Different Teeth Whitening Methods

1. In-office Teeth Whitening

One of the most effective and fastest ways to get a whiter smile is in-office teeth whitening. This professional treatment is performed by a dentist and consists of applying a highly concentrated whitening gel to the teeth. The gel is activated with a special light or laser, which helps remove stains and discoloration.


  • Immediate Results: In just one visit, you can see a significant improvement in the whiteness of your teeth.
  • Personalized treatment: A dentist can tailor the whitening procedure to meet your specific needs and address any underlying dental problems.
  • Safe and controlled environment: Treatment is carried out under professional supervision, ensuring minimal risks and maximum effectiveness.


  1. Tooth sensitivity: Some people may experience temporary sensitivity to hot or cold substances after treatment.
  2. Gum irritation: If the whitening gel comes into contact with your gums, it may cause temporary irritation or sensitivity.
  3. Higher cost: In-office teeth whitening is usually more expensive than other methods.

Note: It is important to consult your dentist before undergoing in-office teeth whitening, especially if you have dental restorations or tooth sensitivity.

2. At-Home Teeth Whitening Kits

Another popular option for yellow teeth is at-home teeth whitening kits. These kits typically contain peroxide-based whitening agents that are applied to the teeth using trays or strips. Treatment duration can vary from a few days to a few weeks, depending on the level of whiteness desired.


  • Convenience: Home kits allow you to whiten your teeth at your own pace and in the comfort of your home.
  • Cost-effectiveness: Compared to in-office treatments, home kits are usually more affordable.
  • Gradual whitening: Results may take longer to become evident, but the gradual whitening process can provide more natural-looking results.


  1. Less powerful: Whitening agents used in home kits are usually less concentrated, which can lead to slower and less noticeable whitening effects.
  2. Inappropriate use: If trays or strips are not used correctly, they can cause gum irritation or unequal bleaching.
  3. Commitment and constancy: To achieve the desired results, it may be necessary to use the whitening kits at home regularly and constantly for a prolonged period.

Note: It is essential to follow the instructions of the homemade dental whitening kit and consult the dentist if an adverse effect is experienced.

3. Natural Remedies

For those looking for more natural alternatives, there are several suggested home and natural remedies to bleach their teeth. These methods often imply the use of common use ingredients in homes, such as sodium bicarbonate, hydrogen peroxide or lemon juice.


  • Accessible and affordable: natural remedies often use easily accessible and low cost ingredients.
  • Without artificial additives: many people prefer natural remedies because they avoid exposure to potentially harmful chemicals found in commercial bleaching products.


  1. Mild efficacy: natural remedies may not provide the same level of bleaching as professional treatments or homemade kits.
  2. Potential damage: some natural ingredients, such as lemon juice, can erode dental enamel if they are used in excess or in high concentrations.
  3. Incherent results: The effectiveness of natural remedies may vary depending on individual factors, which makes it difficult to obtain consistent and predictable results.

Note: Although natural remedies may seem harmless, it is still important to have caution and consult a dentist before trying any homemade method of dental whitening.

Natural Remedies for Whitening Teeth

1. Bicarbonate of sodium and hydrogen peroxide: a popular and effective natural remedy to bleach the teeth is a mixture of sodium bicarbonate and hydrogen peroxide. Bicarbonate acts as a soft abrasive that helps eliminate surface spots from teeth, while hydrogen peroxide acts as a bleaching agent. To use this remedy, mix a small amount of sodium bicarbonate with hydrogen peroxide to form a paste. Apply the pasta to your toothbrush and gently brush your teeth for two minutes. Clarify with plenty of water. However, it is important to keep in mind that the excessive use of this remedy or rub with too much force can erode the enamel, so it should be used in moderation.

  1. Oil extraction: Pulling oil is an ancient ayurvedic technique that can help whiten the teeth naturally. This method consists in making buffers with a tablespoon of oil, such as coconut or sesame, for 15-20 minutes. Oil eliminates toxins and bacteria that can contribute to discoloration and accumulation of plate on the teeth. After the indicated time, spit the oil and rinse your mouth with water. Regular Pulling Oil not only improves the color of the teeth, but also favors oral health in general.

“Incorporating these natural remedies into your oral care routine, you can get a healthier and more radiant smile.”

2. Apple cider vinegar: Apple cider vinegar is not only a popular kitchen ingredient, but also a natural whiter for teeth. Its acetic acid content helps eliminate difficult spots and kill the bacteria in the mouth. However, it is essential to dilute vinegar with water before using it as a mouthwash to avoid enamel erosion. Make buffers with a mixture of apple and water cider vinegar in the mouth for about 30 seconds and then rinse well with water. Do not use this remedy more than once a week to avoid damaging tooth enamel.

Remedy Ingredients Instructions
Sodium bicarbonate and hydrogen peroxide Sodium bicarbonate, hydrogen peroxide Mix a small amount of sodium bicarbonate with hydrogen peroxide to form a paste. Apply the pasta to your toothbrush and gently brush your teeth for two minutes. Clarify with plenty of water.
Oil extraction Coconut oil or sesame oil Make buffers with a tablespoon of oil for 15-20 minutes. Skip the oil and rinse your mouth with water.
Apple vinager Apple vinegar, water Dilute vinegar in water. Make buffers with the mixture for about 30 seconds and rinse your mouth with water.

Maintaining White Teeth: Daily Habits and Oral Hygiene Tips

1. Brush your teeth twice a day: brush your teeth at least twice a day is crucial to keep white teeth. Use a soft bristle brush and dentifric paste with fluoride to thoroughly clean all dental surfaces, including the previous, posterior and chewing. Remember to brush gently with circular movements so as not to damage the enamel.

Expert Council: Dentists recommend dedicating at least two minutes every time you brush your teeth to guarantee thorough cleaning.

2. Use tooth thread daily: although brushing is essential, it cannot reach the narrow spaces between the teeth. Regular use of dental thread helps remove plate, food particles and stains that can yellow over time. Be sure to gently pass the dental thread between each tooth and along the gum line.

Expert Council: Consider using a water thread or interdental brushes as an alternative or in addition to the traditional dental thread to effectively clean the difficult access areas.

3. Limit the consumption of food and drinks that cause spots: certain foods and drinks can contribute to the discoloration of the teeth. Reduce the consumption of coffee, tea, red wine and dark berries, or rinse your mouth with water after consuming them to minimize the spots. In addition, avoid tobacco products, since they can not only stain their teeth, but also have harmful effects on their oral health in general.

4. Visit your dentist regularly: programming periodic dental reviews is vital to maintain white teeth. Your dentist can professionally clean and polish your teeth to eliminate superficial spots and provide personalized tips on oral care. You can also detect possible dental problems on time and recommend appropriate treatments or interventions.

Expert Council: Most dentists recommend semiannual reviews, but the frequency can vary depending on their specific dental needs. Be sure to consult with your dentist to determine the recommended frequency for your periodic visits to the dentist.

Daily habits to keep the white teeth:
  • Brush your teeth twice a day for two minutes.
  • Use tooth thread daily to remove plaque and spots
  • Limit the consumption of food and drinks that cause stains
  • Regularly visit your dentist to undergo professional cleansing

When to Seek Professional Teeth Whitening

1. Persistent stains

If you have observed persistent spots on the teeth that cannot be effectively eliminated with the usual oral hygiene practices, the time may have come to consider professional dental whitening. This is especially true if you are prone to habits or consume substances that can cause a significant discoloration of the teeth, such as smoking or frequent consumption of coffee, tea or red wine.

2. unequal coloration

An unequal or irregular coloration of the teeth can be a sign that professional dental whitening is necessary. Some people may notice that certain areas of their teeth are significantly darker or yellow than others, which can affect their sel f-esteem and their general appearance. Professional bleaching can help you get a more uniform tone, resulting in a brighter and aesthetically more pleasant smile.

3. Limited success of home remedies

Although there are several home remedies and over-the-counter whitening products, they do not always provide the desired results. If you have tried various at-home whitening methods without seeing significant improvement in the color of your teeth, it may be time to turn to professional teeth whitening. Professional treatments are usually more powerful and effective, guaranteeing notable and long-lasting results.

Author of the article
Dr.Greenblatt M.
Dr.Greenblatt M.
Medical oncologist at the Robert Larner College of Medicine, MD, at the University of Vermont

Cannabis and Hemp Testing Laboratory
Add a comment