When a tooth is causing persistent pain, sensitivity, or swelling, it can be difficult to know what is happening inside it or what treatment may be needed. Root canal treatment is one of the more misunderstood dental procedures, often associated with discomfort when, in fact, it is designed to address the discomfort already present. Understanding root canal treatment, what the procedure involves, when it may be recommended, and what to expect can help you feel more informed before speaking with a dentist.
Quick Overview
- Root canal treatment removes infected or damaged tissue from inside a tooth to stop the infection from spreading further
- It may be recommended for people with deep decay, a cracked tooth, or repeated dental work on the same tooth
- The procedure involves cleaning and sealing the inner canals of the tooth, often followed by a crown
- The extent of infection, tooth anatomy, and aftercare all affect individual results
- Symptoms such as ongoing pain, swelling, or sensitivity warrant a dental assessment
Below, we outline how root canal treatment works, what the procedure involves, and what to consider if you think you may need one.
What Is Root Canal Treatment?
Root canal treatment is a procedure used to treat a tooth where the inner tissue has become infected or damaged. Rather than removing the tooth, a dentist clears out the affected material, disinfects the space, and seals it to prevent the infection from progressing.
Inside each tooth sits a chamber of soft tissue called the pulp, which contains nerves and blood vessels. This tissue helps the tooth develop during childhood, but once fully formed, the tooth can survive without it. When decay, injury, or bacteria reach this inner chamber, the pulp can become inflamed or infected and will need to be removed.
The procedure is also known as endodontic treatment. Most cases are handled by a general dentist, though teeth with more complex canal anatomy may be referred to someone with advanced training in this area.
When Might Root Canal Treatment Be Recommended?
Root canal treatment may be recommended when the pulp inside a tooth becomes infected or significantly damaged.
Common reasons this can occur include:
- Deep decay that has reached the centre of the tooth
- A crack or fracture that allows bacteria to enter
- Repeated dental procedures on the same tooth
- Trauma or injury to the tooth
Symptoms that may indicate an infected tooth include persistent tooth pain, sensitivity to heat or cold that lingers, swelling near the gum line, discolouration of the tooth, or a small pimple-like bump on the gum. In some cases, there may be no obvious symptoms, and the issue is identified during a routine examination or X-ray.
If left untreated, a pulp infection can spread to surrounding bone and tissue and may eventually lead to tooth loss or more complex dental problems.
What Does the Root Canal Procedure Involve?
Depending on how complex the case is, treatment may be completed in one appointment or spread across two or more visits.
What to expect at each stage:
- Examination and imaging: The dentist reviews the tooth using X-rays to understand the extent of the infection and the shape of the root canals
- Anaesthetic: A local anaesthetic is applied to numb the tooth and surrounding area before treatment begins
- Opening and debridement: A small entry point is created in the tooth. Fine instruments are used to remove infected tissue and shape the canals
- Disinfection: The canals are flushed with an antimicrobial solution to reduce residual bacteria
- Filling the canals: The cleaned space is filled with a rubber-based material called gutta-percha and sealed with dental cement
- Temporary and final restoration: A temporary filling closes the tooth initially. A crown is commonly placed afterwards to protect the tooth and restore its ability to function under bite pressure
Some tenderness around the treated tooth is normal in the first few days. This typically settles as the tissue heals. Recovery time and outcomes differ from person to person, shaped by things like which tooth was treated, how advanced the infection was, and ongoing care at home.
What Does Research Say About Root Canal Outcomes?
Data referenced by the Australian Dental Association found that teeth receiving root canal treatment followed by both a filling and a crown had a median survival time of over 20 years. Teeth that received no additional restoration after treatment survived for a shorter average period, highlighting the role that aftercare plays in long-term outcomes.
Around 90 to 95 per cent of people who undergo root canal treatment can expect a functional tooth afterwards. Results depend on individual factors, including the degree of infection, tooth anatomy, and ongoing oral hygiene.
Considering Root Canal Treatment at West Dental & Implants
At West Dental & Implants in Hoppers Crossing, our dentists take time to explain the condition of your tooth and the treatment options available to you before any work begins. Examinations include digital X-rays and, where relevant, cone beam CT (CBCT) imaging to support accurate assessment.
If you have been experiencing tooth pain, prolonged sensitivity, or swelling around a tooth, it may be worth having it assessed. Call us on (03) 7003 2523 or get in touch with our team to arrange an appointment.
Note: Any surgical or invasive procedure carries risks. Before proceeding, you should seek a second opinion from an appropriately qualified health practitioner.
Frequently Asked Questions
Is root canal treatment painful?
Root canal treatment is carried out under local anaesthetic, so the tooth and surrounding area are numbed before the procedure begins. Some people experience mild tenderness or discomfort in the days following treatment as the tissues settle. This is generally manageable and resolves within a short period. Individual experiences vary.
How many appointments does a root canal take?
This depends on the complexity of the case. Some root canals can be completed in a single appointment, while others may require two or more visits. Your dentist will advise you of the expected timeline after assessing your tooth.
References
Better Health Channel. (n.d.). ‘Root Canal Treatment’. Better Health Channel. Melbourne, VIC: Victorian State Government Department of Health. https://www.betterhealth.vic.gov.au/health/conditionsandtreatments/root-canal-treatment
Healthdirect Australia. (n.d.). ‘Root Canal Treatment’. Healthdirect Australia. Sydney, NSW: Australian Government. https://www.healthdirect.gov.au/amp/article/root-canal-treatment
Australian Dental Association. (n.d.). ‘New Study Revises Insights on Post-Root Canal Tooth Survivability’. Australian Dental Association. Sydney, NSW: ADA. https://ada.org.au/new-study-revises-insights-on-post-root-canal-tooth-survivability