Overview
Root canal treatment removes infected or inflamed tooth pulp (nerve) inside the roots, then seals the canals to help save and keep a natural tooth comfortable and functional. In Australia, it is a common treatment to avoid extraction when the tooth structure can be predictably restored.
The best next step is the one that balances diagnosis certainty, urgency, long‑term success, comfort, cost and whether the tooth can be kept healthy over time. Many people compare a root canal plus crown with removing the tooth and replacing it (bridge, implant or denture).
What usually causes this problem
- Deep decay (caries) reaching the pulp
- Cracks or trauma allowing bacteria into the nerve
- Repeated dental work weakening or irritating the pulp
- Large fillings close to the nerve
- Infection at the root tip (apical periodontitis or abscess)
Diagnosis relies on a clinical exam, X‑rays or CBCT scans, cold tests, percussion/biting tests and your symptom history.
Signs people often notice
- Lingering sensitivity to cold or heat (lasting 10+ seconds)
- Pain on biting or on release of pressure
- Night pain or throbbing that can radiate to the jaw or ear
- Swelling, gum pimples or a bad taste if infection drains
- Minimal symptoms in some cases despite infection on X‑ray
Pain level alone does not always reflect severity. Quiet infections can still damage bone and spread.
Is this urgent?
Seek urgent dental care if you have facial swelling, spreading pain, fever, difficulty swallowing or breathing, or if pain prevents sleep. For rapidly worsening swelling affecting breathing, call 000 or go to the nearest hospital emergency department.
Otherwise, book a prompt dental assessment. Delays can increase the risk of fracture or infection spread, sometimes making a saveable tooth non‑restorable.
Treatment pathways
- Diagnosis and plan (exam, imaging, tests)
- Pain relief if needed (local anaesthetic, drainage, antibiotics when clinically indicated)
- Root canal treatment:
- Isolate with rubber dam
- Clean and shape canals with disinfectants
- Place medication between visits if required
- Seal canals and restore access
- Final restoration for strength and seal (often a crown)
- Follow‑up X‑rays to confirm healing
Some cases are completed in one visit; others take two or more, depending on infection and complexity.
Root canal vs extraction (and other options)
- Root canal + crown
- Pros: Keeps your natural tooth, preserves bite and jaw bone, usually high success (often 85–97% long‑term).
- Cons: Multiple visits and cost; crown commonly needed for strength.
- Extraction only
- Pros: Fast pain relief, lower upfront cost.
- Cons: Gap affects chewing and aesthetics; neighbouring teeth may shift; later replacement adds cost.
- Extraction + replacement
- Implant: Highly functional, prevents bone loss; higher cost, multi‑stage.
- Bridge: Faster than implant; involves shaping adjacent teeth.
- Denture: Lower cost; removable and less stable.
- Wait and see/temporary relief
- Short‑term option when diagnosis is uncertain or budget is tight; risks progression.
Cost in Australia: what to expect
Prices vary by tooth type, number of canals, infection complexity, location, imaging needs and whether a general dentist or endodontist treats you.
- Consultation and X‑rays: commonly $80–$200
- CBCT scan (if required): commonly $150–$300
- Root canal by general dentist:
- Front tooth: commonly $700–$1,200
- Premolar: commonly $900–$1,500
- Molar: commonly $1,200–$1,900+
- Root canal by endodontist (specialist): commonly $1,600–$2,800+ depending on tooth
- Final crown (if needed): commonly $1,500–$2,300
Private health extras may contribute to part of the cost. Public dental access is limited and usually prioritises urgent care. Children may be eligible for the Medicare Child Dental Benefits Schedule (CDBS).
Who should treat me: dentist or endodontist?
- General dentist
- Suitable for many straightforward cases; may be more accessible and lower fee.
- Endodontist (specialist)
- Best for complex roots, re‑treatments, persistent symptoms, or where microscope/CBCT guidance improves predictability.
Ask about experience with your specific tooth type, use of rubber dam isolation, magnification, and follow‑up protocol.
Pain control and what the appointment feels like
- Local anaesthetic aims for full numbness; top‑ups are available during treatment.
- Comfort aids such as rubber dam, bite blocks and noise‑cancelling headphones may be used.
- Sedation options (oral, IV) are available in some clinics for anxious patients.
Post‑treatment tenderness on biting is common for a few days and typically managed with over‑the‑counter pain relief unless your dentist advises otherwise.
Recovery and follow‑up
- Chew carefully on the treated tooth until the final restoration is placed.
- Tenderness when biting can last several days; worsening pain or swelling needs review.
- Final crown or onlay is often recommended to reduce fracture risk on back teeth.
- Follow‑up X‑ray is typically taken to monitor healing at the root tip.
Risks and success factors
- Cracks or insufficient remaining tooth structure can reduce predictability.
- Hidden canals, curved roots or previous treatment may add complexity.
- Long‑term success improves with high‑quality canal sealing and a well‑sealed final restoration (often a crown).
Questions worth asking at an appointment
- What is the most likely diagnosis and how certain are you?
- Is this urgent or likely to worsen if delayed?
- What are my options (root canal + crown, extraction + replacement, phased care)?
- What will it cost today and in total, including the final crown?
- How many visits, how long does each take, and what is the expected recovery?
- Who will treat me (dentist vs endodontist) and what technology will you use?
Fast answers (FAQs)
How long does a root canal take?
Often 60–120 minutes per visit. Straightforward cases can be completed in one visit; infected or complex teeth may need two or more visits.
Will I need a crown?
Back teeth usually benefit from a crown or onlay to prevent fracture. Front teeth may be restored with a strong filling if enough tooth remains.
Do antibiotics fix this?
Antibiotics may help spreading infections short‑term but do not remove the source inside the tooth. Definitive treatment is root canal or extraction.
Is a root canal painful?
With effective local anaesthetic, you should feel pressure and vibration but not sharp pain. Post‑visit tenderness is common and usually settles within days.
How successful is it?
When well indicated and restored, success is high (often reported at 85–97% long‑term). Regular reviews help ensure continued health.
Confidential help
If you want help comparing root canal treatment in Australia, estimating costs with or without private health extras, or deciding between saving or removing a tooth, you can send a confidential enquiry below.
This site provides information and referral support to connect people with relevant dental care in Australia.