Teeth Whitening: the 5 most common questions

Pour avoir les dents blanches, évitez le café, le thé, le vin et la cigarette.

to get white teeth, avoid coffee, tea, wine and cigarettes. kurhan /

The dentist Anne Lasnier, teeth whitening specialist and author of a thesis on it , unveils the most common questions.

1 / Lemon is effective to keep teeth white


Lemon juice, that old remedy Grandma used for centuries, unfortunately has no bleaching effect on the teeth.

At best, it promotes shine.

2 / Coffee and tea stain teeth


The colored drinks, cigarettes, coffee, tea, red wine (because it is rich in tannin), but also certain foods like beets or berries leave on teeth still superficial deposits. These are external stains as opposed to internal colorations that attack the structure of the tooth, such as tetracyclines (antibiotics once used to treat ear infections).

3 / Bleaching removes all colorations.


all depends on the location of the stain (internal or external).

External stains can be treated by the dentist who will carry careful scaling followed by polishing.

If, after this treatment, the color of your teeth does not disappear, it is that its origin is internal. It is then necessary to consider a medical clarification. However, be aware that hydrogen peroxide bleaching, the only active ingredient used to whiten teeth, can save a few shades. If the color is too intense, you can never achieve perfect whiteness.

4 / launderers toothpastes are effective


They are ineffective to change a Internally coloring but some are effective in reducing and cleaning deposits.

5 / Hydrogen peroxide is effective in whitening teeth


It contains effect of hydrogen peroxide but in low concentrations that will give unsatisfactory results. We find the same problem with all the other products offered OTC: whitening kits, products used by smile bars. Since 2012, only dentists can buy whitening products containing 0.1 to 6% hydrogen peroxide concentrations enabling greater efficiency and faster results.

Thanks to Anne Lasnier, dentist and author of the thesis: “Focusing on current technical laundering”

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