Root canal therapy involves treating the inner part of the tooth to restore the tooth's function after the nerve has become decayed or infected. This treatment entails the removal of decay, nerves and living tissue (pulp) from the inside of the tooth. The space that is left by the removal of the inner elements is then decontaminated before it is filled with special inert materials.
Root canal therapy is necessary in order to stop the spread of infection to other teeth. It is also necessary to prevent the tooth from becoming necrotic (dead), at which point it would need to be removed.
While some people believe that removing a tooth is the best solution when its nerve becomes infected or decayed, that is not actually the case. Removing a tooth will end up to be a more costly option in the long run and will also cause problems for the teeth adjacent to the extracted tooth.
Root canal therapy is a very effective treatment and in many cases only one treatment will ever be needed per tooth. However, some patients may one day require retreatment as a result of the development of a new infection.
Symptoms that may signal the need for root canal therapy:
Root canal therapy may be required if:
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The tooth's pulp (inner living tissue) has become affected by decay.
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The inner tooth or root tip has become infected.
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An abscess has developed within the tooth.
- The inner tooth has become damaged by injury.
The root canal treatment process:
While root canal therapy may occasionally be carried out in just one appointment, typically at least two appointments will be necessary. Root canal procedures can be performed by dentists or by root canal specialists known as endodontists.
The first step involved in root canal therapy is to numb or anaesthetize the area to be treated. The tooth will then be isolated with the use of a rubber dam which will keep the tooth sterile and free of saliva. The dentist or endodontist will then create an access opening into the core of the tooth.
Next, special dental files and instruments will be used to remove the tooth's pulp and nerve as well as any bacteria and decay that may be present. Once that is complete, the tooth will be thoroughly cleaned before it is filled with either a temporary or permanent filling.
The second appointment will generally be scheduled for approximately one week later. At the second appointment, special materials will be used to fill and seal the tooth's inner cavity. At some point the treated tooth should be covered with a permanent crown which will provide protection for the tooth while also restoring its function and stability.
While it is common to experience sensitivity following root canal therapy, such sensitivity will soon subside as inflammation decreases and healing occurs.
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If you have questions or concerns about root canal therapy, please ask Santa Monica Dentist Cameron Torabi.