Teeth whitening

Teeth whitening is a technique that allows a much more youthful and healthy appearance. Whitening is an aesthetic dental treatment that manages to reduce the tones of the original color of the teeth, leaving them whiter and brighter.

The product that is used is based on hydrogen peroxide or carbamide peroxide, it is a gel with neutral PH and contains desensitizers to increase the comfort of the patient.

For whom it is indicated

Tooth whitening can be performed on a set of teeth or on a single tooth that may have darkened after endodontics or dental trauma. It can be done by anyone who wants to have whiter teeth.

Teeth whitening is indicated for:

  • Aging of the teeth (with age they get darker)
  • Stains due to eating or drinking habits.
  • Pulp calcification.
  • Fluorosis
  • Tetracyclines
  • Dentinogenesis imperfecta.

When is a teeth whitening contraindicated?

Teeth whitening is contraindicated to:

  • Women who are pregnant or breastfeeding.
  • Children under 14 years of age.
  • In people allergic to resin.
  • In people allergic to peroxide.

Techniques and Types of Dental Whitening

Teeth whitening can be:

    • Internal: It is used only in the teeth that have a root canal tretament, that is, the non-vital teeth. In those cases, the technique of internal whitening is used, which can be complemented with external whitening techniques.
    • External: The current techniques of external whitening are based on the use of two products: carbamide peroxide (in general for outpatient treatments) and hydrogen peroxide (basically for clinical treatments).

How is Teeth Whitening performed?

 

The first thing you have to do to whiten your teeth is a deep cleaning of them. Then we take the pre-operative color tone, we continue applying a gingival barrier in both arches, dry the teeth and apply the gel material on the surface of the enamel and apply if necessary full arch lamp (LED lamp, as if it was a laser) that activates the product in all the teeth to be bleached at the same time, with two or three brief pauses to renew the bleaching product, leaving it to act between 30 to 40 minutes.

After the last application we remove the gel, rinse and apply topical fluoride to avoid sensitivity.

You should consult your case with the responsible professional, to assess the need to perform one or more sessions, and the result that can be obtained.

Results after Teeth Whitening

The intensity of whitening will depend on each patient, their particular color that should be studied by the specialist to determine the whitening expectations.

The final whitening obtained will remain unchanged in the mouth for about 2 to 5 years, depending on each patient, their teeth, and their care. In any case, when the whitening decays, the initial color never recovers, it is always whiter. In this case, a “reminder” of the whitening treatment will recover the maximum initial bleaching.

External stains that may appear due to coffee, tea, tobacco, Coca-Cola, spinach, drinkable vitamin complexes of iron, mouthwashes with chlorhexidine-based mouthwashes, may be eliminated by means of oral cleansing or the daily use of toothpastes.

Recommendations before Dental Bleaching

 

It is advisable to suspend toothpastes or fluoride rinses 15 days before whitening in order to optimize the treatment results (fluorine “strengthens” enamel by transforming hydroxyapatite into fluorapatite).

Likewise, desensitizing products should be suspended 15 days before in liquids or toothpastes (Desensin, Sensodine, etc.) based on potassium nitrate and other components that could interfere with whitening.

 

Recommendations Post Dental Whitening Treatment

 

After tooth whitening, fluoride rinsing can be performed and brushed with normal fluoride pastes (but not colored, for two weeks).

The first week after whitening it is important to take care of yourself and follow a “white diet”, that is, do not consume spinach, red wine, coffee, etc. It is also recommended to avoid the consumption of carbonated drinks and any product or food that causes stains or acidic foods (pineapple, kiwi, citrus).

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