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Restorative Dentistry - Crowns and Fixed Bridges Each
tooth helps keep the dental arches in their proper positions and balance.
When one or more teeth are missing, the remaining teeth frequently drift
out of position and place unnatural stress on tissues in your mouth. This
can lead to dental caries (tooth decay) and periodontal (gum) disease,
which could lead to more teeth loss. Crowns
and fixed bridges (fixed partial dentures) can restore your teeth
to their normal function. These restorations prevent the collapse of the
dental arch, and improve chewing ability, speech, and appearance.
Crowns:
is a restoration that covers, or caps, a tooth to restore the normal shape
and size. It gives strength to a tooth, and, following treatment, protects
a tooth from fracture. The location of the teeth, condition of your oral
health, and other factors determine the type of material that will be
used for the crown including precious and semiprecious metal, porcelain,
acrylic resin, or combinations of these materials. Fixed Bridge Design: (fixed partial denture) replaces one or more missing natural teeth. It is cemented into place and is firmly attached to the natural teeth next to the space. These teeth are called the abutment teeth. Crowns are placed on the abutment teeth to provide support for the fixed bridge. The pontic, or the artificial tooth, is the part of the fixed bridge that replaces the lost tooth. The pontic is fused to the crowns on abutment teeth. |
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