Root canal treatment by Dr. Aaron Lai

What is a Root Canal Treatment?
Root canal treatment is a branch of dentistry where it involves the treatment of the pulp (heart of tooth) and the surrounding tissues of the tooth. Pulp is a living tissue consisting largely of small arteries, veins and also nerves. Bacteria that are introduced into the pulp as a result of tooth decay, periodontal disease, tooth fracture or other problems, can severely and permanently damage the pulp.

What is the success rate of root canal treatment?

Studies indicate a success rate of between 90-95% for root canal treatment. The root canal
systems of teeth are very complex, and it may not be possible to clean and disinfect all areas of the root canal system.

Will it be painful?

If adequate anesthesia is achieved it will not cause any pain. Decades ago that may have been the case, but with modern technology and anesthetics you won’t experience any more pain than getting a cavity filled. In fact, root canal treatment doesn’t cause pain but actually relieves it.

Will I have pain after root canal treatment?

Following root canal treatment, there is a possibility of some post-operative pain or tenderness on biting the tooth as a reaction to the treatment. Post-operative pain is usually far less than the pain that brought you in for treatment in the first place. Your tooth may continue to feel slightly different from your other teeth for some time after your endodontic treatment is completed. Of course, if you experience pressure or pain that lasts more than a few days, call us to have it examine.

How long does a root canal take?

Generally, it takes 3 steps of which we may separate it into 1-4 visits based on the complexity of the tooth.

Root canal treatment steps:

1. The infected dental pulp tissue in the root canal is removed.

2. The root canal is cleaned and disinfected thoroughly.

3. The now empty root canal is then filled with a solid filling material together with a sealer
to prevent further ingress of bacteria.

The amount of time a procedure takes depends on the type of tooth involved. On average it
ranges between 15 minutes-1 hour 30 minutes depending on the complexity of the tooth.

Contact Dr. Aaron Lai for a consultation for more info at

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