If
a tooth is severely decayed, broken or brittle due
to
root canal treatment, then a dentist may suggest that
a crown be placed on the tooth. This should be
a painless
procedure that takes two or three visits.
If the root and base of the
tooth are strong, then a dentist will prepare the tooth
for a crown by removing
a small portion of the enamel
and dentin.
If the tooth is severely decayed
or weak then it may
be necessary to insert a post into
the tooth to support
the crown.
To achieve excellence,
the impressions taken are sent to a specialist dental
laboratory, which specialises in porcelain crown work. Their task is to fabricate and construct a replica
of the original healthy tooth. The crown is then cemented
over and onto the remaining tooth structure. (Hence
the commonly used word for a crown “a cap”). Once completed,
it should be
both functionally and aesthetically in harmony with
the rest of the mouth.
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