Tooth whitening lightens teeth and helps to remove stains and discoloration. Whitening is among the most popular cosmetic dental procedures because it can greatly improve how your teeth look. Most dentists perform tooth whitening. Whitening is not a one-time procedure. It will need to be repeated from time to time if you want to maintain the brighter colour.
What It’s Used For
The outer layer of a tooth is called the enamel. The colour of natural teeth is created by the reflection and scattering of light off the enamel, combined with the colour of the dentine under it. Your genes affect the thickness and smoothness of the enamel. Thinner enamel allows more of the colour of the dentine to show through. Having smoother or rougher enamel also affects the reflection of light and therefore the colour.
Every day, a thin coating (pellicle) forms on the enamel and picks up stains. Tooth enamel also contains pores that can hold stains.
The most common reasons for teeth to get yellow or stained are:
- Using tobacco
- Drinking dark-coloured liquids such as coffee, cola, tea and red wine
- Not taking good care of your teeth
Aging makes teeth less bright as the enamel gets thinner and the dentine becomes darker.
It is also possible to have stains inside the tooth. These are called intrinsic stains. For example, intrinsic stains can be caused by exposure to too much fluoride as a child while teeth are developing. Other causes include tetracycline antibiotics. They can stain a child’s teeth if taken by a mother during the second half of pregnancy or by a child who is 8 years old or younger. Teeth are still developing during these years. Trauma may also darken a tooth.
Tooth whitening is most effective on surface (extrinsic) stains.
At Bracken Barrett, we offer Philips Zoom! Teeth Whitening which is a complete whitening strategy to effectively treat deep staining. As one of the most requested professional whitening treatments, you can choose from in-practice or take-home professional whitening treatments that are tailored to you by your dentist. Whether you have a special occasion or simply want to reduce discolouration and stains, Phillips Zoom! gives you professional results with little or no sensitivity.
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