Few dental treatments carry as much reputation as root canal therapy, usually not a good one. The phrase alone tends to trigger a slightly anxious reaction, often based on outdated information or secondhand stories rather than an accurate understanding of what the procedure actually involves today. Here's a closer look at some of the more persistent myths, and what's more accurately understood about the treatment.
Myth: Root Canal Therapy Is Extremely Painful
This is perhaps the most persistent myth, and it largely stems from outdated perceptions or the pain caused by the underlying issue itself — the infection or damage to the tooth's pulp rather than the treatment used to address it. In modern practice, root canal therapy is generally performed under local anaesthetic, similar to a standard filling, and many patients report the procedure itself is no more uncomfortable than other routine dental treatments. Some mild soreness following the procedure is common as the area settles, generally manageable with over-the-counter pain relief as advised by your dentist. Individual experiences vary, and any unusual or severe pain following treatment should be reported to your dentist promptly.
Myth: It's Better to Just Extract the Tooth
While extraction is sometimes the more appropriate option depending on the extent of damage, root canal therapy is generally aimed at saving a natural tooth that would otherwise need to be removed. Retaining a natural tooth, where clinically appropriate, generally helps maintain your natural bite, avoids the need for a replacement tooth (such as a bridge or implant), and preserves surrounding bone structure that can be affected once a tooth is removed. Whether extraction or root canal therapy is more appropriate depends on individual factors your dentist will assess, including the extent of damage and the tooth's overall prognosis.
Myth: Root Canal Therapy Causes Illness Elsewhere in the Body
This claim has circulated for decades, generally tracing back to research from the early 20th century that has since been widely reassessed and is not supported by current evidence-based dental and medical understanding. Root canal therapy, performed appropriately, removes infected tissue from within the tooth and seals it to prevent further infection — it does not introduce illness elsewhere in the body. If you have specific concerns about this, it's worth discussing directly with your dentist, who can explain the current evidence base.
Myth: You'll Need Multiple Long, Uncomfortable Appointments
While root canal therapy sometimes does require more than one appointment, particularly for more complex cases or teeth with multiple canals, many straightforward cases can be completed in one or two visits. Appointment length and number depend on the specific tooth and complexity of the case, which your dentist can outline before treatment begins.
Myth: A Root-Treated Tooth Doesn't Need Further Care
Once a tooth has had root canal therapy, it's not "finished" in terms of care requirements. Root-treated teeth can become more brittle over time, since the internal tissue that once provided nourishment has been removed. A crown is often recommended afterwards to help protect the tooth from fracture, and ongoing oral hygiene and regular check-ups remain just as important as with any other tooth.
Myth: Root Canal Therapy Isn't Necessary If There's No Pain
Some patients assume that if a tooth isn't causing pain, treatment isn't urgent, even after being told the pulp is affected. In reality, some infected or damaged teeth cause minimal or no pain, particularly in early stages, while the underlying issue can continue to progress. Delaying treatment in these cases can allow infection to spread further, potentially leading to more significant complications, including abscess formation. Your dentist's clinical assessment and any diagnostic imaging, rather than symptoms alone, should guide whether and when treatment is needed.
What the Procedure Actually Involves
For context, a root canal procedure generally involves:
1. Accessing the inside of the tooth through a small opening
2. Removing the affected pulp tissue
3. Cleaning and shaping the internal canals
4. Filling and sealing the canals to prevent further infection
5. Placing a permanent filling or crown over the tooth, often in a follow-up appointment
Addressing Dental Anxiety Around the Procedure
If anxiety about root canal therapy is affecting your willingness to seek treatment, it's worth discussing this directly with your dentist. Many practices can accommodate additional communication, breaks during the procedure, or other adjustments to help make the experience more comfortable, rather than avoiding necessary treatment out of concern based on outdated perceptions.
Getting an Accurate Picture for Your Situation
If you've been told you may need root canal therapy, or you're experiencing symptoms that concern you, it's worth having an accurate conversation with your dentist about what the procedure would actually involve for your specific tooth, rather than relying on general reputation. The team at LR Dental can explain the process clearly and address any specific concerns you have before proceeding.
Only a clinical examination by an AHPRA-registered dental practitioner can confirm whether root canal therapy is the appropriate treatment for your specific tooth.
About the Author This article was prepared in collaboration with the clinical team at LR Dental, offering root canal therapy and related restorative treatment. Treatment recommendations vary by individual and should be confirmed by an AHPRA-registered dental practitioner following a clinical assessment.
