All FULL FACE Before and After Photographs
BLEACHING
Teeth Whitening
Bleaching lightens teeth by removing stain caught in microscopic holes within
enamel. The active ingredient in most of the whitening agents iscarbamide
peroxide, also known as urea peroxide; when water contacts this white crystal,
the release of hydrogen peroxide lightens the teeth. Bleaching is successful in
at least 90 percent of patients, though it may not be an option for everyone.
Consider tooth bleaching if your teeth are darkened from age, coffee, tea or
smoking. Teeth darkened with the color of yellow, brown or orange respond better
to lightening. Other types of gray stains caused by fluorosis, smoking or
tetracycline are lightened, but results are not as dramatic. Every case is
different. Typically, there is a multiple-shade improvement as seen on a
dentist's shade guide. If you have very sensitive teeth, or teeth with worn
enamel, your dentist may discourage bleaching. Existing restorations such as
crowns and fillings do not change color.
YOU CAN CONTROL HOW WHITE YOUR TEETH ARE by
stopping at any time. Many patients do not want their teeth too white.
Teeth are lightened in small amounts each time the bleach is applied. You
can stop when you like the color of your teeth.
The dentist or hygienist will make impressions of your teeth to fabricate a
bleaching appliance for you. The appliance is custom made for your mouth. Along
with the appliance, you'll receive the bleaching materials and you'll be given
instructions on how to wear the appliance. Some bleaching systems recommend
bleaching your teeth from one to four hours a day. Generally this type of system
requires three to six weeks to complete. Other systems recommend bleaching at
night while you sleep. This type of system usually requires only 10-14 days to
complete.
Lightness should last from one to five years, depending on your personal habits
such as smoking and drinking coffee and tea. At this point you may choose to get
a touch up. This procedure may not be as costly because you can probably still
use the same appliance.
The retreatment time also is much shorter than the original treatment time.
Several studies, during the past ten years, have proven bleaching to be safe and
effective. The American Dental Association has granted its seal of approval to
some tooth bleaching products. Some patients may experience slight gum
irritation or tooth sensitivity, which will resolve when the treatment ends.
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Copyright Cosmetic Dentist Wellesley
Paul R. Chalifoux, DDS
277 Linden Street Suite 209
Wellesley, MA 02482
781-235-1747
chalifoux@comcast.net