Whitening
When
it comes to getting a whiter and brighter smile, there are a variety of
teeth-whitening products you can try. Your main options are in-office
and at-home bleaching. Before starting any whitening treatment, you
should speak with your dentist. Your dentist will tell you what, if any,
whitening procedures will work best for you.
The above article is from: MouthHealthy.org
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A crown is a tooth-shaped cover placed over a tooth that is badly damaged or decayed. Many people call it a cap.
Crowns
may be placed for several reasons. Usually the tooth has been broken or
severely damaged by decay. As a result, a filling can't replace enough
of the tooth or make the tooth strong enough. A crown may hold together
parts of a cracked tooth. It also can be used to hold a bridge in place.
Crowns can be used to improve appearance as well. They may be placed to
cover misshapen or badly discolored teeth.
Crowns
can be made ahead of time (prefabricated) or made to order in a
laboratory. Prefabricated crowns are made of plastic or stainless steel.
They can be used on a temporary basis until a permanent crown is made.
Crowns can be made of:
- All metal
- Zirconia
- Porcelain fused to metal (PFM)
- Porcelain fused to zirconia
- All ceramic
Metals
include gold alloy, other alloys (palladium) or a base-metal alloy
(nickel or chromium). The all-metal or PFM crowns are stronger and are
better choices for back teeth than ceramic crowns. PFM and all-ceramic
crowns are the same color as your natural teeth. They look just like
normal teeth.
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