A root canal is not a treatment, but part of a tooth. Most often root canal is done so that the patient can retain both a functional and cosmetic look. A root canal is often preferred over tooth extraction because a root canal works on fixing your natural tooth so that it can remain in place. Root Canal Cost, Root Canal, Root Canal Treatment, Root Canal Cost Australia, Root Canals Cost Root canal treatment is designed to: 1. Eliminate bacteria from the infected root canal 2. Prevent reinfection of the tooth, and 3. Save the natural tooth. There is no need to worry if your My Gentle Dentist prescribes a root canal procedure to treat a damaged or diseased tooth. Thousands of teeth across Australia are treated and saved this way each year, relieving pain and making teeth healthy again.