Teeth Whitening
There are many teeth whitening systems and
products including whitening toothpastes, over-the-counter gels, rinses,
strips, trays, and whitening products obtained from a dentist.
Teeth whitening is ideal for people who have
healthy, unrestored teeth (no fillings) and gums. Individuals with yellow tones
to their teeth respond best. But this cosmetic procedure is not recommended for
everyone.
Find out if teeth whitening is right for you.
Whitening Systems
Whitening Toothpastes
All toothpastes help remove surface stains,
because they contain mild abrasives. Some whitening toothpastes contain gentle
polishing or chemical agents that provide additional stain removal
effectiveness. Whitening toothpastes can help remove surface stains only and do
not contain bleach; over-the-counter and professional whitening products
contain carbamide peroxide or hydrogen peroxide that helps lighten the color
deep in the tooth. Whitening toothpastes can lighten the tooth's color by about
one shade. In contrast, light-activated whitening conducted in your dentist's
office can make your teeth three to eight shades lighter.
Over-the-Counter Whitening Strips and Gels
Whitening gels are clear, peroxide-based gels
applied with a small brush directly to the surface of your teeth. Instructions
vary depending on the strength of the peroxide. Follow the directions on the
product carefully. Initial results are seen in a few days and final results are
sustained for about four months.
Whitening strips are very thin, virtually
invisible strips that are coated with a peroxide-based whitening gel. The
strips are applied twice daily for 30 minutes for 14 days. Initial results are
seen in a few days and final results are sustained for about four months.
Whitening Rinses
Among the newest whitening products available
are whitening rinses. Like most mouthwashes, they freshen breath and help
reduce dental plaque and gum disease. But these products also include
ingredients, such as hydrogen peroxide, which whiten teeth. Manufacturers say
it may take 12 weeks to see results. You just swish them around in your mouth
for 60 seconds twice a day before brushing your teeth. However, some experts
say that rinses may not be as effective as other over-the-counter whitening
products. Because a whitening rinse is only in contact with the teeth for such
a short time -- just two minutes a day compared to 30 minutes for many strips
-- it may have less of an effect.
Tray-Based Tooth Whiteners
Tray-based tooth whitening systems, purchased
either over-the-counter or from a dentist, involve filling a mouth guard-like
tray with a gel whitening solution -- which contains a peroxide-bleaching
agent. The tray is worn for a period of time, generally from a couple of hours
a day to every day during the night for up to four weeks and even longer
(depending on the degree of discoloration and desired level of
whitening).
In-Office Whitening
In-office bleaching
provides the quickest way to whiten teeth. With in-office bleaching, the
whitening product is applied directly to the teeth. These products can be used
in combination with heat, a special light, or a laser. Results are seen in only
one, 30- to 60-minute treatment. But to achieve dramatic results, several
appointments are usually needed. However, with in-office bleaching, dramatic
results can be seen after the first treatment. This type of whitening is also
the most expensive approach.
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