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Here's how broken teeth get
the royal treatment!
- Crowns
A
crown is defined as the top part of almost anything.
In your mouth, a crown is the enamel-covered part
of a tooth which can handle up to 900 pounds of
pressure per square inch. While crowns are the
strongest, most worked-out area, they are also
the most susceptible to decay, cracking, chipping,
and dental restorations. When a tooth is fragile
enough to break- due to the large old filling,
new decay or has had an endodontic procedure ("root
canal") performed it needs a replacement "crown".
A fabricated crown, also called cap, fit over the
existing tooth which is reduced by a dentist to
the shape and size necessary to support the final
restoration.
- Bridges
Sometimes people are missing teeth for genetic reasons, trauma, severe decay
or gum disease. Bridges are critical for keeping the remaining teeth from drifting
and the support of the facial muscles. If a span of teeth missing, it can be
bridged. Bridges are designed to float prosthetic teeth (called pontics) between
the prepared natural teeth (called abutments) or dental implants which serve
as their anchors.
- Crowns and Bridges can be made of precious metal
(usually used far back in the mouth), a combination
of metal and porcelain, or ceramic materials. They
are built in the dental laboratory by coating the
metal or ceramic substructure by several layers
of porcelain and firing each layer in a kiln to
achieve the strength, shape and luster of a natural
tooth.
- If you are getting a crown
or a bridge, you are in for two and sometimes three
or four dental visits that last about an hour each.
At the initial appointment teeth are prepared to
the desired shape, then an impression of the reduced
teeth is taken and temporary crown or bridge
is made. The impression is send to the lab, accompanied
by color recipe, so the replacement restorations
can be fabricated there. This generally takes
two weeks.
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