Teeth Whitening​

As we age, yellowing of the teeth is a natural part of the process in addition to external staining that accumulate over the surface of the tooth from foods and drinks we consume or from the tar in cigarette smoking. Bleaching is a simple and effective procedure which utilizes a peroxide-based solution to reverse some of this yellowing.

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Thorough diagnosis of the cause of tooth discolouration is the most important consideration for the success of any tooth whitening procedure. Discolouration of a tooth can range from a yellow, to brown to even sometimes grey/black tones.

Tooth discolouration is generally classified into 3 different categories; extrinsic (external), intrinsic (internal) or age-related.
Extrinsic stains accumulate from particular properties within consumables such at tar in cigarettes, tannins in teas, coffees, wines (mainly red wine), tomato-based sauces and curries.
Intrinsic staining occurs from the inside of the tooth, generally due to trauma to the nerve, or can follow after Root Canal Treatment due to left over sealing material in the crown of the tooth.
Age-Related staining is a natural and unavoidable process where the tooth naturally deposits dentine on the inside of the tooth.

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Teeth whitening may be performed on both vital (alive) and non-vital (dead or root canal treated) teeth. Vital bleaching is done either by application of bleaching solution directly onto the tooth while in the dental chair which is called In-Office Bleaching, alternatively, a vacuum form plastic mould can be filled with bleach for an at-home application. For non-vital bleaching, we place bleach powder inside of a Root Canal treated tooth to allow bleaching of the discoloured dentine from the inside of the tooth.

At Oxenford Dental Studio, we use the highest quality bleach from SDI called PolaDay, PolaNight and PolaRapid. As with all dental treatment, there is a temporary side effect to bleaching, the top side effect being sensitivity to temperature. This sensitivity is very short-lived and generally goes away between 24-48 hours after bleaching has been performed.

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