How much whitening is too much?

Discussion in 'Dental Archive' started by Rightplace, Oct 12, 2006.

  1. Rightplace

    Rightplace Guest

    Several months ago my dentist gave me two syringes of 16% peroxide
    whitener. I used both, and at first my teeth got much whiter. After a
    while I saw no further improvement. Last week he gave me another one
    and said it should work better because I just had my teeth cleaned. I'd
    like my teeth whiter to match crowns, but I'm afraid the whitener will
    damage my teeth.

    I read that in Europe only 3% peroxide is considered safe. The dentist
    said that's because the use it differently. How can I find out before I
    use more if it will have a harmful effect? Are there published studies?
    Rightplace, Oct 12, 2006
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  2. wrote:
    The main risks of excessive bleaching are hypersensitive teeth and
    burning of the gums. If you are using well-fitted trays and don't
    overload them with bleach, it won't get all over your mouth. If you
    feel your teeth getting sensitive or your gums getting sore, discontinue
    use of the bleach until the sensitivity and soreness resolve.
    OTOH, after two weeks of bleaching you are going to get little or no
    additional whitening, so it's just a waste of time. What your dentist
    is saying is true--your teeth should have been cleaned before you bleached.

    Mark & Steven Bornfeld, Oct 12, 2006
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