Root canal therapy is needed when the nerve of a tooth is affected
by decay or infection. In order to save the tooth, the pulp (the
living tissue inside the tooth), nerves, bacteria, and any decay are
removed and the resulting space is filled with special, medicated,
dental materials (called gutta percha) which restore the tooth to
its full function.
Having a root canal done on a tooth is the treatment of choice to
save a tooth that otherwise would die and have to be removed. Many
patients believe that removing a tooth that has problems is the solution,
but what is not realized is that extracting (pulling) a tooth will
ultimately be more costly and cause significant problems for adjacent
teeth.
Root canal treatment is highly successful and usually lasts a lifetime,
although on occasion, a tooth will have to be retreated due to new
infections.
Signs and symptoms for
possible root canal therapy:
An abscess (or pimple) on the gums
Sensitivity to hot and cold
Severe toothache pain
Sometimes no symptoms are present
Swellingand/or tenderness
Reasons for root canal therapy:
Decay has reached the tooth pulp (the living tissue inside
the tooth)
Infection or abscess have developed inside the tooth or at
the root tip
Injury or trauma to the tooth
What does root canal therapy involve?
A root canal procedure requires one or more appointments and can be
performed by a dentist or endodontist (a root canal specialist).
While the tooth is numb, a rubber dam (a sheet of rubber) will be
placed around the tooth to keep it dry and free of saliva. An access
opening is made on top of the tooth and a series of root canal files
are placed into the opening, one at a time, removing the pulp, nerve
tissue, and bacteria. If tooth decay is present, it will also be
removed with special dental instruments.
Once the tooth is thoroughly cleaned, it will be sealed with either
a permanent filling or, if additional appointments are needed, a temporary
filling will be placed.
At the next appointment, the roots and the inside cavity of the tooth
will be filled and sealed with special dental materials. A filling
will be placed to cover the opening on top of the tooth. In addition,
all teeth that have root canal treatment should have a crown (cap)
placed. This will protect the tooth and prevent it from breaking,
and restore it to its full function.
After treatment, your tooth may still be sensitive, but this will
subside as the inflammation diminishes and the tooth has healed.
You will be given care instructions after each appointment.Good oral
hygiene practices and regular dental visits will aid in the life of
your root canal treatment.
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