Can Yellow Teeth Become White? An In-Depth Look at Teeth Whitening

09 August 2023

Yellow teeth


A bright, white smile can boost confidence and reflect good oral health. But as time goes on, our teeth may turn yellow due to various reasons like ageing, poor dental care, or consuming staining foods and drinks like coffee. If you’re wondering whether yellow teeth can become white again, you’re not alone. In this article, we’ll dive into the world of teeth whitening, checking out the methods available, how well they work, and any potential risks.

Understanding Yellow Teeth

To understand teeth whitening, we need to know why teeth turn yellow. The outer layer of our teeth, called enamel, can wear away over time, revealing the yellowish dentin beneath. Also, habits like smoking or drinking dark beverages can leave stains on our teeth, making them look yellow. 

Several factors contribute to the discoloration of teeth, and awareness of these causes can help individuals make informed decisions about their oral care.

Causes of Teeth Discoloration Description
Dietary Habits The foods and drinks we consume play a significant role in teeth staining. Dark-coloured substances like coffee, tea, red wine, and certain berries contain chromogens that attach to the enamel, leading to yellowing over time. Similarly, acidic foods can erode the enamel, making teeth more susceptible to staining.
Tobacco Use Smoking or chewing tobacco introduces harmful chemicals to the mouth, leaving stubborn stains on the teeth. The tar and nicotine in tobacco products can penetrate the enamel, causing deep discoloration that is challenging to remove.
Poor Oral Hygiene Inadequate dental care can lead to plaque buildup on the teeth. Over time, this plaque can harden into tartar, which not only contributes to tooth decay and gum disease but also attracts stains, making teeth appear yellow.
Ageing As we age, the enamel naturally thins, revealing more of the yellowish dentin underneath. This age-related wear and tear can result in a gradual change in tooth colour.
Genetics Some people are genetically predisposed to have thicker or thinner enamel, affecting the overall colour of their teeth. Genetics can also influence the susceptibility to staining or the rate of enamel erosion.
Medications Certain medications, such as antihistamines, antipsychotics, and high blood pressure drugs, can cause tooth discoloration as a side effect. This is often a result of chemical interactions or changes in saliva composition.
Dental Trauma Injuries to the teeth can lead to the formation of dark stains caused by the breakdown of blood products within the tooth structure.
Medical Conditions Certain medical conditions, like enamel hypoplasia (insufficient enamel formation), can lead to discoloured or yellowish teeth.

Professional Teeth Whitening Treatments

For more noticeable and rapid results, consider professional teeth whitening treatments. These are performed by dental experts, either in-office or with custom-made trays for home use. In-office treatments involve using stronger bleaching agents, which can significantly brighten your teeth. If you have severe discoloration or want a dramatic change, this method is your best bet.

You can also consider the Enlighten Whitening system, which utilises advanced bleaching agents that are potent yet safe for your teeth. 

Natural Remedies

Some people prefer natural methods for teeth whitening, such as brushing with baking soda or using activated charcoal. While these remedies are generally safe to try, they lack scientific evidence for their long-term effectiveness. If you choose to go the natural route, consult with your dentist first to ensure they won’t harm your teeth. 

How Effective Is Teeth Whitening?

Teeth whitening’s effectiveness depends on several factors, including the severity of discoloration, the chosen method, and individual variations. Mild yellowing might respond well to over-the-counter products or natural remedies, while more stubborn stains might need professional help for noticeable results. It’s crucial to manage your expectations, as not everyone’s teeth will become perfectly white.

Understanding Results Variation

Just like writing has a mix of long and short sentences, teeth whitening results can vary too. Some people might see great improvements after one professional treatment, while others might need a few sessions. The variation in results is normal and depends on factors like the original tooth colour, enamel thickness, and lifestyle habits. Keeping up with regular dental check-ups and avoiding stain-causing foods and drinks can help keep the results longer.

Potential Risks of Teeth Whitening

Teeth whitening is generally safe when done under professional supervision or using approved products from the store. However, some people might experience temporary side effects like sensitive teeth or gum irritation. These effects are usually mild and go away on their own. To minimise risks, it’s essential to follow the instructions provided and not overuse whitening products. If you have any concerns or experience significant discomfort, consult your dentist for guidance.


Yellow teeth can get whiter with teeth whitening methods. Whether you try over-the-counter products, professional treatments, or natural remedies, manage your expectations, as results can vary. Remember that achieving the desired level of whiteness may take time, especially for severe discoloration. Consistency and patience are key to seeing the best possible outcome.

To maintain your new bright smile, practise good oral hygiene by brushing and flossing regularly. Reduce the consumption of staining substances like coffee, tea, or tobacco. Scheduling regular dental check-ups will also help monitor your oral health and keep your smile shining.

Teeth whitening is a fantastic option for rejuvenating your smile and boosting your confidence. When it comes to achieving the most effective and long-lasting teeth whitening results, we highly recommend considering the professional teeth whitening services offered by our team at Spires Oral & Dermal Care. With the right method and proper care, you can achieve a radiant and healthy smile that leaves a lasting impression. So, say goodbye to yellow teeth and welcome back your beautiful, white smile!

Yellow teeth