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Dental professionals know that tooth whitening procedures, also called
bleaching, have dramatically increased in popularity. In fact, studies show
that since 1996, professional tooth whitening has increased by over 300%.1
The ADA separates whitening treatments into two categories: gels that use
peroxide to bleach intrinsic and extrinsic stains, and whitening toothpastes
(dentrifices) which contain non-bleaching agents and polishes that remove
extrinsic stains only.2
Yet with both over-the-counter (OTC) and professional teeth whitening
treatments, studies show that at least 75% of patients experience some level of
temporary dentin hypersensitivity ("sensitive teeth") related to the procedure.
This tooth sensitivity is believed to be potentiated by the peroxide compounds
as they pass through the tooth enamel, dentin and into the pulp.3
Some patients may also experience soft tissue irritation, either from the
bleaching solution itself or from a poorly-fitting whitening tray.2
For patients that experience side effects due to teeth whitening treatments,
data shows that 41% of dental professionals recommend these patients cease
whitening treatments, or alter their method of treatment.4
There are, however, two ways to treat sensitive teeth related to bleaching
treatments. Anti-hypersensitivity toothpastes are easy and effective when used
twice a day, and contain 5% potassium nitrate, which experts believe depolarize
the nerves in the tooth pulp. A more invasive technique to reduce whitening
sensitivity in more aggressive cases involves in-office treatment, where
topical agents or sealants are applied to the tooth to cover exposed dentin. It
is recommended that the least invasive method of treatment be considered first.
There are many antihypersensitivity dentrifices available on the market which
contain fluoride and are safe to use for an extended period of time as
recommended by the dentist. Sensodyne®, for example--the leading dentist
and hygienist recommended desensitizing toothpaste-- is available in eight
different variants including tartar control, gel and extra whitening. All of
these treat sensitive teeth while offering cavity prevention.5
For more information on two available brands of whitening toothpastes and
anti-hypersensitivity toothpastes with whitening, click a topic below:
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Sensodyne® for sensitive teeth and
cavity prevention
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Aquafresh® decay preventative
dentrifice, in a full range of variants including whitening
And for more information on the clinicals and research, continuing education
and journal resources associated with whitening, click a topic at right.
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