Just hearing the words “root canal” is enough to make some people wince. It’s one of those procedures with a reputation that doesn’t quite match reality.
If you’ve been told you need one or you’re simply trying to understand what it involves before it comes up, this walkthrough breaks down exactly what happens during a root canal, step by step, so there are no surprises.
What Is a Root Canal?
A root canal treatment is a dental treatment used to save a tooth when the soft tissue inside it becomes infected or badly inflamed. The pulp contains nerves and blood vessels, and once it’s damaged beyond repair, it can cause significant pain and, if left untreated, lead to an abscess or further infection. Root canal treatment removes this damaged tissue, cleans out the inside of the tooth, and seals it up so the tooth can be kept rather than removed.
Despite its fearsome reputation, a root canal is fundamentally a tooth-saving procedure, not a tooth-losing one.
If you’re still weighing up whether treatment is the right path for you, our earlier post on when a root canal is recommended covers the signs and decision-making in more depth.
Signs You Might Need a Root Canal
Root canal symptoms can vary from person to person, but common signs may include
- lingering sensitivity to hot or cold
- pain when chewing
- a persistent toothache
- swelling around a specific tooth
Some people notice very few symptoms at all, with the issue only picked up during a routine check-up and clean and X-ray. If you’re noticing any of these signs, it’s worth having your dentist take a look before the problem progresses.
What Happens During a Root Canal Procedure: Step by Step
Understanding the root canal procedure in advance tends to take a lot of the anxiety out of it. Here’s what typically happens, from start to finish.
1. Assessment and X-Ray
Your dentist will start with an examination and an X-ray to confirm the extent of the damage and check the shape of the tooth’s root canals. This helps plan the treatment before anything begins.
2. Local Anaesthetic
The area is numbed with a local anaesthetic, similar to what’s used for a filling. Most patients feel a small pinch and then nothing beyond that, aside from pressure or vibration.
3. Placing a Dental Dam
A thin sheet of rubber, called a dental dam, is placed around the tooth. This keeps the area dry and free of saliva during treatment and helps prevent bacteria from re-entering the tooth.
4. Accessing the Pulp
Your dentist creates a small opening in the top of the tooth to reach the infected or inflamed pulp inside.
5. Removing the Damaged Pulp
Using fine specialised instruments, the damaged pulp tissue is carefully removed from inside the tooth and its root canals. This step is sometimes referred to as a pulpectomy.
6. Cleaning and Shaping
Once the pulp is removed, the inside of the tooth is cleaned, disinfected, and shaped to prepare it for filling. This step is important for reducing the chance of reinfection.
7. Filling the Canal
The cleaned canal is filled with a biocompatible material called gutta-percha, along with a dental adhesive to seal it. This fills the space where the pulp used to be and helps prevent bacteria from getting back in.
8. Temporary or Permanent Restoration
A temporary filling is usually placed to protect the tooth while a permanent restoration is planned. Many teeth that have had root canal treatment go on to need a dental crown, particularly back teeth that take a lot of chewing pressure, as the tooth can become more brittle after treatment.
Does a Root Canal Hurt?
This is usually the first question on everyone’s mind. With modern local anaesthetic and technique, most patients report that having a root canal feels similar to getting a filling.
Many report that they feel some pressure, but not significant pain during the procedure itself. Any discomfort is generally more noticeable in the days beforehand, when the infected tooth is at its most inflamed.
Mild soreness or sensitivity afterwards is common and usually manageable with over-the-counter pain relief, which helps settle within a few days.
If pain flares up suddenly and severely before you can get an appointment, our guide on dental emergency first aid has some practical steps for managing it in the meantime.
How Long Does a Root Canal Take?
Treatment time depends on the tooth involved and the complexity of its root canal system. Front teeth, with a single root, tend to be quicker than molars, which can have multiple canals.
Many root canals are completed in one or two appointments, though more complex cases may need further visits.
Recovering After Root Canal Treatment
Recovery is usually straightforward.
It’s common to experience some tenderness around the tooth and gum for a few days, especially when biting down. Sticking to softer foods for a day or two, taking any recommended pain relief, and avoiding chewing directly on the treated tooth until it’s fully restored can help.
If pain worsens rather than improves, or you notice swelling, it’s worth contacting your dentist promptly.
Saving Your Tooth, One Step at a Time
A root canal has a reputation that’s bigger than the procedure itself. Understanding each step can make the whole experience feel far less daunting, and it’s often the difference between keeping your natural tooth and losing it.
If you’re dealing with tooth pain or have been told you may need root canal treatment, our team at Vineyard Dental Sunbury is here to talk you through your options.
Contact our Sunbury dental clinic today to book a consultation and take the first step towards resolving the problem.
Frequently Asked Questions
Is a root canal painful?
With modern anaesthetic, most patients find the procedure itself no more uncomfortable than having a filling. The pain that leads people to need a root canal is usually far more noticeable than the treatment itself. Mild soreness afterwards is common and generally settles within a few days.
How long does a root canal take?
It depends on the tooth and the complexity of its root canal system. Front teeth with a single canal are often quicker, while molars with multiple canals can take longer or require an additional appointment.
Your dentist can give you a clearer estimate after assessing the tooth.
What happens if a root canal is left untreated?
An untreated infection can lead to ongoing inflammation and damage to the tissue around the tooth, and in some cases the tooth may need to be removed. According to healthdirect, this is a genuine risk of delaying or skipping treatment once a tooth is infected.
In some cases, the tooth may become unable to be saved and require extraction.
Will I need a crown after a root canal?
Many teeth, particularly molars, need a dental crown after root canal treatment to restore strength and protect the tooth from cracking under everyday chewing pressure. Your dentist will advise whether this applies to your specific tooth.
What’s the difference between a root canal and a filling?
A filling treats decay that hasn’t reached the nerve of the tooth, while a root canal is needed once the infection or damage has reached the pulp inside. Root canal treatment goes deeper into the tooth to remove the affected tissue and seal the space.
Can I see a general dentist for a root canal, or do I need a specialist?
Many root canals are performed by general dentists. More complex cases, such as unusual canal anatomy or retreatment, may be referred to an endodontist, a specialist in root canal treatment.
Your dentist will let you know if a referral is recommended..
