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If your tooth's nerve chamber becomes infected by decay,
or damaged by trauma, root canal treatment is
often the only way to save your tooth.
Inside the hard outer shell of each tooth is a specialized
area called the pulp or nerve chamber. The pulp chamber
contains a system of blood vessels, lymph vessels and
nerves, the pulp, which enter from the bone through
the root canals. This system provides nourishment for
the cells within the tooth.
Deep tooth decay or other injury can cause damage to
or infection of the tooth pulp. In a root canal or endodontic
treatment, the dentist removes the damaged or infected
pulp and replaces it with a special
Some indications of the need for root canal treatment
may be:
- Spontaneous pain or throbbing while biting.
- Sensitivity to hot and cold foods.
- Severe decay or an injury that creates an abscess
(infection) in the bone.
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PROCEDURE
Step 1
After the
tooth is anesthetized, an opening is made
through the crown into the pulp chamber.
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Step 2
The length
of the root canals is determined.
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Step 3
Unhealthy
pulp is removed. Canals are cleaned, enlarged
and shaped.
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Step 4
Canals are
filled and sealed. A metal post may be added
for structural support or to retain restorative
materials.
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Step 5
The tooth
is sealed with a temporary filling. Usually
a gold or porcelain crown adds further protection.
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The material used to fill your root
canal will probably last you a lifetime, but eventually
the filling or crown may need to be replaced.
Be sure to follow the special home
care instructions provided by your dental professional.
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