Give yourself a new set of ‘pearls’ that can make you smile every time you look in the mirror!

What causes our teeth to become discoloured?

Foods and Beverages

Foods which contain a lot of acid may cause that yellowish hue on your teeth.

Coffee, all kinds of tea, sodas and wine are some of the beverages that contain acidic polyphenols that can also cause discolouration to your teeth, however, adding milk into tea or coffee could decrease the staining power of these beverages.


Smoking is considered harmful to your health and bad for your teeth. A cigarette contains tobacco which has substances that cause your teeth to stain.

Passage of time

While we go through the natural aging process, the outer layer of enamel found on our teeth gets thinner and exposes the layer called dentin, which is found below the enamel.

Dentin is yellow in colour and is the reason why our teeth doesn’t appear as white anymore.


Injury to the mouth may cause teeth to change colour.


Certain types of medication may cause teeth to become discoloured. This could be one of the side effects of the medication.

What is teeth whitening

At Byron Family Dental we recommend teeth whitening as one of the treatments that could give your discoloured teeth the bright, beautiful and white smile that you have always wanted. You no longer have to look at your discoloured teeth in the mirror and wish that they were brighter anymore!

Preparing the teeth for whitening

Before beginning with the teeth whitening procedure, our dental professionals at Byron Family Dental which make sure the oral health of your teeth is checked thoroughly. Then your teeth will be cleaned.

All the excess build-up of bacteria which causes your tooth to become stained and discoloured will be removed.

Types of teeth whitening

There are two different types of Teeth whitening treatments:

  1. In home – this is done by using a tooth whitening system called the Home Whitening Kit.
  2. In office – this is done at the dental office by a dental professional.

In- home whitening

  • An impression of your mouth will be taken by the dentist.
  • Custom made mouthpieces will be made for you based on the impressions taken of your upper and lower teeth.
  • When you are at home both these mouthpieces must be filled with the whitening gel given to you by the dentist.
  • These mouthpieces should be worn for short periods of time. The dentist will advise you on how long the mouthpieces should be worn.
  • Mouthpieces, containing the whitening gel, may cause irritation to the teeth if it is worn for too long since the whitening gel contains peroxide.
  • In some cases, results can be seen within a week depending on how severe the discolouration is, however, it may also take weeks to achieve the desired results.

In-office teeth whitening

  • During the in-office teeth whitening procedure, our dentist at Byron Family Dental will apply a gel to protect the gums.
  • After the gel is applied to the gums, it is followed by a solution which is applied onto the teeth.
  • This solution contains hydrogen peroxide which is a bleaching agent.
  • A special bright light is used to release oxygen after the bleaching solution is applied.
  • The stains and discolouration is then removed from the surface of the teeth.
  • After the stains are removed from the surface the dentin of the teeth are whitened.

How to maintain your teeth once they have been whitened

  1. Smoking or consuming foods and drinks that can stain your teeth will determine how long the whiteness of your teeth lasts.
  2. Try to keep away from these stain-causers if you would like to extend the results of the teeth whitening treatment for up to 6 to 12 months.
  3. Since teeth whitening is not permanent, you may need to re-whiten your teeth as soon as they begin to discolour again.
  4. It is important to visit the dentist on a regular basis to help maintain a healthy oral lifestyle.
  5. Make sure you floss your teeth after every meal and brush them at least twice a day.

Below are some of the disadvantages of the teeth whitening treatment

  • In some very rare cases you may experience tooth sensitivity that may last a day or two or sometimes a bit longer.
  • In some instances a side effect may be mild gum irritation or inflammation.
  • If the teeth whitening treatment is not done correctly, your teeth may have uneven results.

You could get chemical burns in your mouth if the bleaching solution comes into contact with your gums.


There are a number of factors that can cause tooth discolouration and stains. Some of the most common causes of discolouration include lifestyle habits like smoking and drinking alcohol while dark foods and drinks like coffee, tea, red wine, berries, and soya sauce, can also contribute. For some people, ageing causes tooth discolouration, as the enamel gets thinner while the dentin underneath becomes darker over time. In some cases, poor dental hygiene may be the cause of stains and discolouration as plaque and tartar build up on the surface of the teeth.

Teeth whitening works by lightening the colour of the teeth. The formula that is used in the process effectively breaks down the pigmentation of stains and discolouration, leaving the teeth looking much whiter and brighter than before. The treatment works more effectively on some people than on others, as the procedure achieves best results on teeth affected by surface stains, rather than those with intrinsic stains that develop inside the teeth and may be caused by trauma and certain medications.

We will start by cleaning your teeth to get rid of any bacteria, food debris, and plaque that may have accumulated on the surface of your teeth. Then, if you choose to go with an in-office procedure, a gel containing hydrogen peroxide is applied directly to your teeth. A special light is used to activate the whitening formula and speed up the bleaching process. If you opt for an at-home whitening treatment, we will begin by taking impressions of your teeth so that customised mouth trays can be made for you. The mouth trays are designed to fit your teeth very closely. You will be provided with a whitening gel, which you will need to place inside your mouth tray.

At Byron Family Dental, we offer two types of teeth whitening treatments: at-home and in-office. Our at-home whitening treatments are performed with the use of a tooth whitening system called the Home Whitening Kit, while our in-office treatment is done at our dental office by a dental professional. When you come in for a consultation, we will check your oral health and clean your teeth to remove excess build-up of bacteria. We will then recommend the whitening treatment that best suits your needs and desired outcome.

In order to begin an at-home whitening treatment, you will need to come in and see us so that we can take an impression of your mouth. Customised mouthpieces can then be made for you based on the impression of your upper and lower teeth. When your mouthpieces are ready, we will provide you with a whitening gel. When you are at home, you will need to fill the mouthpieces with whitening gel and wear them for the recommended period of time. We will let you know how long you should wear your mouthpieces for and how much whitening gel to use each time.

In some cases, it is possible to notice results from your at-home whitening treatments within a week. This does depend, however, on how severe your tooth discolouration is. It can sometimes take several weeks to achieve the desired results. We recommend that you follow our instructions in terms of how much whitening gel you use, and how long you wear your mouthpieces for. This will ensure that the treatment is both safe and effective and that you can enjoy successful results.