Stained Teeth

Stained teeth are a common issue that can affect your confidence and oral health. It’s something many people experience, regardless of age. We provide gentle and effective treatments to help you achieve a brighter smile.

What Are the Causes of Stained Teeth?

  • Coffee stains teeth: Coffee, tea, red wine, and certain fruits contain intense colour pigments that can stain teeth over time. 
  • Smoke stain on teeth: Smoking or chewing tobacco leads to significant discolouration due to the nicotine and tar in these products. 
  • Certain medications: Medications such as tetracycline antibiotics and antihistamines can darken teeth. Cancer treatments like chemotherapy and radiation can also cause discolouration.
  • Ageing & genetics: As we age, the enamel on our teeth wears down, revealing the yellowish dentin beneath, which can make teeth appear more stained. Some individuals naturally have darker or thicker enamel, affecting the appearance of their teeth.
  • Environmental factors: Inadequate brushing, flossing, and rinsing allow plaque and food particles to build up, causing stains. On the other hand, excessive fluoride exposure, whether from environmental sources or overuse of fluoride products, can cause fluorosis, leading to stained teeth. Using the right amount of toothpaste and brushing thoroughly is crucial to keep your teeth white.

How To Remove Stains From Teeth?

At-Home Whitening Kits

Customised kits from your dentist allow you to whiten your teeth at home. These kits include whitening gels and trays designed to fit your teeth perfectly. While over-the-counter kits are available, they are generally less effective and not as safe. For more noticeable results, we recommend professional dental care.

Professional Teeth Whitening

Our dentists use advanced techniques and high-quality whitening agents to achieve safe and effective results. Professional teeth whitening can significantly brighten your smile in just one visit.

Dental Bonding

If whitening isn’t effective, dental bonding might be suitable for you. This involves applying a tooth-coloured resin to the surface of your teeth, which is then shaped and polished to cover stains and improve your smile.


Veneers are an excellent option for a more permanent solution. These thin, custom-made shells cover the front surface of your teeth, providing a durable, long-lasting solution for severe staining.


Preventive Measures

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Maintain Good Oral Hygiene: Brush twice daily, floss regularly, and use an antibacterial mouthwash.

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Limit Stain-Causing Foods and Drinks: Reduce consumption of coffee, tea, red wine, and certain fruits.

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Quit Smoking: Avoid tobacco products to prevent significant tooth discolouration.

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Regular Dental Check-Ups: Schedule routine dental visits for professional cleaning and early detection of potential issues.

When Should You See a Dentist For Stained Teeth?

If regular brushing and over-the-counter products aren’t improving your stained teeth, it’s time to visit the dentist. Sudden or severe discolouration, or stains accompanied by pain or sensitivity, need professional attention. If stains are affecting your confidence or are caused by medications or medical conditions, our dentists can offer the right treatments. Mention any staining concerns during your regular check-ups to keep your smile bright. Timely professional care ensures effective treatment and prevents further discolouration. Contact Knight Street Dentists today.

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