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Teeth whitening

There are a burgeoning number of teeth whitening treatments to choose from.

Is it possible to overbleach or whiten teeth? How much teeth whitening is too much?

Amanda Seay (Mount Pleasant, SC) on Sep 21, 2011
It would be somewhat difficult to over-whiten teeth if you are doing it under the supervision of your dentist. Most whitening procedures, even on the darkest of teeth, will not take longer than 2 weeks to achieve the proper whiteness! There are exceptions to that like people who have tetracycline stain that produces bands of gray discolorations on the enamel. These cases may require a few months of whitening to achieve the results and sometimes it may not have much whitening effect at all. You need to know what shade of white you have obtained after whitening to know if you can whiten any more. If you are already as white as you can possibly be and you continue to whiten then you can cause unnecessary tooth sensitivity.
Brian Gray (Washington, DC) on Sep 21, 2011
When they are whiter than your eyes you are getting out of range. Just a rule of thumb - as some people don't feel their teeth can ever be white enough. Often times there are other issues behind the teeth (psychological) that may be in order.
Debra Glassman (New York, NY) on Sep 21, 2011
all teeth whitening procedures have specific guidelines and instructions that need to be followed for the best results....patients sometimes feel more is better and this can lead discolorations of the teeth, sensitivity, inflammed gums....whitening is great, just do it according to proper procedure
Christopher Baer (Aurora, CO) on Sep 21, 2011
Whitening is very subjective. What one person perceives as "too white" may be what another calls "perfect" One rule of thumb is to not whiten your teeth whiter than the whites of your eyes. It is difficult to say how much whitening is too much, but if you are having tooth sensitivity because of whitening, stop and give your teeth a break. Suffering through the whitening process does not mean you are going to achieve the desired result.
Les Latner (Los Angeles, CA) on Sep 21, 2011
The scientific evidence on long term bleaching has not shown any negative effects on teeth, at least that I am aware of. Les Latner, DDS
Kamini Talati (Port Saint Lucie, FL) on Sep 21, 2011
One can not overwhiten their teeth, because teeth will only whiten up to their maximum capacity. If a patient overuses the whitening material, teeth may become weaker, more porous, or overly sensitive.
Michael Apa (New York, NY) on Sep 21, 2011