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Teeth Whitening
Why dental bleaching?
Teeth whitening is a treatment that involves applying a peroxide-based gel to the teeth. Thanks to this treatment, it is possible to lighten the colour of your teeth and remove stains to improve the aesthetics of your smile. There are several reasons for having your teeth whitened. There are psychological, social and cultural reasons.
What causes tooth discolouration?
Extrinsic Colouring
The tâExtrinsic stains are those that appear on the surface of the teeth as a result of consuming coloured food or drink. The tar and nicotine in cigarettes also leave yellow or brownish stains on the teeth.
Intrinsic staining
Intrinsic stains are those that form on the inside of the teeth. Intrinsic stains can be caused by:
- Trauma: unforeseen accidents, such as falls, car accidents or sports injuries, can lead to trauma that causes stains on the teeth.
- The effect of ageing: tooth enamel wears away, revealing the underlying yellowish dentine. This gives the teeth a darker appearance.
- The effects of medication: certain drugs, particularly antihistamines and blood pressure medication, can cause stains to appear on the teeth. Similarly, childhood exposure to antibiotics such as tetracycline or doxycycline can leave lasting marks.
- Genetic origin: gGenerally, they are resistant to tooth whitening, and to achieve a good result other alternatives are proposed such as facets.
The different tooth whitening techniques
Office bleaching with hydrogen peroxide
We start by isolating the gums with a photo dam. The cheeks and lips are also protected, to isolate all the soft tissues from the action of the whitening gel. A high concentration of hydrogen peroxide-based gel is then applied to the teeth. The gel is then photo-activated using a special lamp to further enhance the product's action. The treatment lasts approximately 15 to 20 minutes. The procedure can be repeated up to 3 times if the patient feels no discomfort, with further sessions spaced at least a week apart for best results.
The products are highly concentrated; in these cases, hydrogen peroxide with a concentration of 35% is used. This is the fastest technique.
Ambulatory whitening done at home using a less concentrated product (carbamide peroxide)
Your dentist will suggest a treatment to be carried out in the comfort of your own home. She will provide you with a personalised whitening tray to restore the whiteness of your smile. For this type of whitening, she will take impressions of your teeth and custom-made trays will be made. These trays will hold a peroxide-based gel that you will place on your teeth. Depending on the dentist's instructions, the trays will be worn for between 6 and 10 days. There are gels for daytime treatment and gels for night-time treatment. Full details will be provided when you receive your individual gutters.
Mixed bleaching combining the two techniques
We start with chair-based bleaching, and then move on to outpatient bleaching. This technique gives better results with fewer side effects.
A word of warning:
First, the dentist will carry out a complete examination of your teeth. If the patient has sensitivities, cavities, cracks, etc., the dentist will propose a treatment plan appropriate to each case before starting the whitening.
We'll give you a radiant smile with professional results!
Teeth whitening - FAQ
Answers to the most frequently asked questions.
- Does tooth whitening work on dental restorations?
- Does tooth whitening damage tooth enamel?
If the whitening treatment is used under the supervision of a dentist, it is very unlikely to damage your tooth enamel. Always consult your dentist to ensure that you are using whitening products safely.
- Will tooth whitening make my teeth more sensitive?
One of the potential short-term side-effects of tooth whitening is a slight temporary increase in tooth sensitivity. For most patients, the sensitivity subsides within a few days. But thanks to the personalised trays made by Dr Hilmani Mounia-Zahra, the pain will be felt less.
- How long do the effects of bleaching last?
Teeth whitening is a temporary solution you can use to whiten your smile. If your teeth are constantly exposed to stain-causing foods and drinks, you'll probably start to see the whiteness fade after a few months.
- Does teeth whitening work on all stains?
