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Dr. Ted Lee

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Dr. Ted Lee

Winston Stone

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Winston Stone

Dr Vincent Cheung

Doctor of Dental Medicine, University of Sydney
Bachelor of Science (Honours), University of Sydney
Dr Vincent Cheung

Tara Canton

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Tara Canton

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Talia

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What Is a Root Canal? Understanding the Treatment, Purpose, and Process

On April 25, 2025

Root canal treatment is one of the most cost-effective ways to save a damaged or infected tooth and keep it intact for as long as possible. Despite its reputation, this common dental procedure is often no more uncomfortable than getting a filling — and it can provide lasting relief from pain. 

Contact Hills Dental Care today to schedule a consultation and learn how our root canal treatments can help relieve discomfort and restore your tooth’s function. We’re here to support your long-term oral health and help you feel confident in your smile.

Root canal treatment explained — what they are and how they can preserve your smile

What are root canals? A root canal is an oral treatment used to remove infected or inflamed tissue from inside a tooth. This inner area, known as the pulp, contains nerves and blood vessels. When the pulp is infected due to decay, trauma or cracks, root canal therapy is used to clean, disinfect and seal the space to prevent further damage.

The purpose of root canal therapy

Root canal treatment is typically advised for patients experiencing oral infection, as it can relieve pain and save the natural tooth. By extracting the damaged pulp and sealing the canal, we stop the spread of bacteria and prevent the need for tooth extraction. In most cases, a crown is placed afterwards to restore the tooth’s strength and appearance.

Without proper treatment, an infected tooth can cause abscesses, bone loss or the complete loss of the tooth. Root canal therapy helps keep your natural tooth and maintain proper bite alignment.

When do you need a root canal? Common symptoms and warning signs

Not sure if you need a root canal? Some of the most common signs include:

  • Persistent toothache
  • Sensitivity to hot or cold
  • Swelling or tenderness in the gums
  • Darkening or discolouration of the tooth
  • A recurring pimple or bump on the gums

If you’re experiencing any of the above symptoms, especially persistent pain or swelling, see a dentist as soon as you can. Early dental treatment can prevent the spread of infection and increase the likelihood of saving the tooth through root canal therapy.

2: A step-by-step breakdown of root canals — what you can expect

While every patient is different, root canal procedures typically involve the following steps:

  1. Your dentist will examine the tooth and take X-rays to understand the extent of the damage.
  2. Before the procedure starts, a local anaesthetic is applied to numb the area and minimise discomfort. We also have sedation options available.
  3. An opening is made in the tooth to remove the infected or damaged pulp.
  4. The inside of the tooth is cleaned and shaped to prepare it for filling.
  5. The canals are filled and sealed with a specialised material to prevent further infection.

Quality, gentle root canal treatment starts at Hills Dental Care

With Hills Dental Care, you don’t have to dread your root canal treatment. Our team understands the anxiety that can occur with this oral treatment and provides compassionate care, guiding you through the process and helping you restore your dental health with confidence. Book your root canal treatment with Hills Dental Care today.


FAQs

Is a root canal better than extracting the tooth?

In most cases, yes, a root canal is better. Saving and keeping your natural tooth intact helps maintain your bite, jawbone health and overall oral function. At Hills Dental Care, our experienced dentists specialise in root canal procedures, aiming to preserve your natural tooth in a given space for an additional five to 10 years.

However, there are times when a tooth may be beyond saving. Advanced decay, recurring infection, significant structural damage or noticeable looseness can all indicate that a tooth is no longer viable. In such cases, our dentists may recommend dental implants. 

Dental implants act as strong, long-term replacements for missing teeth, restoring the appearance and function of your smile. By filling the gap left after extraction, implants help prevent neighbouring teeth from shifting, preserve your bite alignment and reduce the risk of jawbone loss.

How long does it take to recover from a root canal?

Most patients recover within a few days. Depending on your pain tolerance, you may experience minor discomfort, which can be managed with pain relief medication.

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