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A cracked back tooth does not automatically need root canal treatment or removal. The decision starts with two questions: is the nerve inside the tooth inflamed or infected, and is there enough sound tooth left to seal and restore? Root canal therapy may be an option when both nerve treatment and restoration are appropriate. If the tooth cannot be restored reliably, extraction may need to be discussed.
You might be trying to avoid losing a molar, or wondering whether several appointments are worth considering. You do not have to choose the procedure before booking. Our root canal therapy information explains why testing the tooth comes before that decision.
What decides whether a cracked molar can be kept?
The dentist checks the remaining tooth, the break, existing fillings, nerve symptoms and bite. Cracks can reach further than the part you can see. A small-looking surface change or the amount of pain alone cannot settle which treatment is appropriate.
Signature Dental's chipped or broken teeth guide describes assessment of break size, cracks, decay, existing restorations and whether images are needed. The root canal assessment also considers whether the tooth can hold a final filling or crown. Ask what is known now and what still needs checking before committing to a staged plan.
- What part of my tooth is damaged, and how much usable structure remains?
- What do the nerve tests suggest?
- Would an X-ray help explain the roots or signs of infection?
- If treatment inside the tooth is proposed, how would the outside be restored?
An X-ray may help assess the roots and infection; it is not a substitute for examining the tooth and testing the symptoms. Your dentist can explain what the image adds to the assessment.
Could a filling or crown be enough?
Sometimes repair rather than root canal therapy or extraction is the relevant discussion. Our broken-tooth guidance includes smoothing, bonding, fillings and crowns among the possible options, depending on the findings. A crack is a reason for assessment, not an instruction to have nerve treatment.
Root canal treatment addresses damaged or infected pulp, the soft tissue inside the tooth. It is different from restoring the tooth's outer structure. If a crown is recommended, ask what it is intended to protect and whether nerve treatment is also needed. The Better Health Channel's root canal information explains this separation between treating the canals and restoring the tooth afterwards.
What would choosing root canal treatment involve?
Treatment inside the tooth involves removing the affected pulp, cleaning and shaping the canals, then filling and sealing them. The tooth also needs a restoration on top. The exact sequence depends on the tooth, and completion may take more than one appointment.
For a cracked molar, the restoration is part of the decision from the beginning. Signature Dental explains that a treated tooth needs a reliable seal and may need additional protection with a crown or filling. Ask for the whole proposed plan, not just the appointment to treat the nerve.
There are limitations. Root canal treatment cannot make an unrestorable tooth suitable for a crown or filling. Tenderness and instructions for any temporary restoration need discussion with your dentist. A tooth can also change colour after root canal treatment, as described by Better Health Channel. Ask how these issues apply to your tooth and what follow-up is planned.
If the case is complicated, referral may be discussed. Better Health Channel notes that dentists may refer complex cases after assessment. You can ask why another opinion is recommended without assuming that a particular treatment will then be possible.
When might extraction be the more realistic option?
Removal may be considered when damage leaves too little tooth for a reliable repair. Our tooth extraction information describes checking tooth structure, cracks, roots, surrounding gums and medical history before deciding. A painful or broken tooth is not automatically a tooth that must come out.
Extraction also needs a plan for healing. Ask about bleeding control, eating, cleaning, review timing and which symptoms should prompt a call. Medicines, bleeding conditions, diabetes, smoking and previous healing problems can affect the planning conversation, so give the dentist that history.
Discuss the space left behind as a separate choice. Signature Dental explains that a gap can affect chewing, bite or appearance, and replacement options may be considered. Ask whether replacement is recommended in your situation and what its stages and costs would involve. Removing the tooth and replacing it are not the same procedure.
How can I compare the plans without comparing only the first fee?
Ask what each estimate includes through to the proposed endpoint. Root canal fees vary with the tooth, canals, records, stages and final restoration. Extraction fees vary with the tooth's position, removal complexity, records and follow-up. Neither service name gives you a complete estimate on its own.
| If keeping the tooth is proposed | If removal is proposed |
|---|---|
| What makes this tooth restorable, and what uncertainty remains? | What finding makes repair unsuitable, and are there alternatives? |
| Does the estimate include the final filling or crown as well as the root canal stages? | Does the estimate cover review and aftercare? Is replacement planning separate? |
| What temporary restoration, tenderness advice and follow-up will I need? | What bleeding, eating, cleaning and recovery instructions will I need? |
| Would a referral or further records change the plan or cost? | Would referral, further records or medical factors change the plan? |
If you have a health fund, check item numbers, policy limits and your likely out-of-pocket amount rather than assuming a rebate. These questions organise the cost factors published on our service pages; they do not establish which option suits your molar.
Can I wait if the pain settles?
Arrange a dental assessment rather than using a quieter day as the deciding test. Our broken-tooth guidance advises having even a painless break checked. Better Health Channel also explains that pulp disease can be present without symptoms. Neither a photograph nor a change in pain can confirm the condition of the tooth.
The Queensland Government advises seeking dental treatment as soon as possible for a chipped, fractured or cracked tooth. Facial swelling needs immediate treatment from a dental practitioner or GP. Tell reception about swelling, fever, severe worsening pain, trauma or trouble swallowing at the start of the call. Do not wait for a routine online booking response if symptoms are urgent.
If you have trouble breathing or believe you are having a medical emergency, call Triple Zero (000) or go to an emergency department, as directed by NSW Health's dental patient guidance.
Leaving an infected pulp untreated can allow infection to spread into tissues around the tooth. Better Health Channel describes possible abscess formation, bone loss and loss of the tooth. Ask your dentist what timing applies to your findings; this article cannot give you a personal waiting interval.
What should I tell Signature Dental South Perth?
Call South Perth reception on (08) 9474 4750 and describe the tooth rather than choosing a procedure. Say when the change began, what happens when you bite or have hot or cold drinks, how long discomfort lasts, and whether there is swelling or an injury. Mention previous fillings, crowns, root canal treatment and medicines you have used.
The clinic is at Level 1, Suite 4, 57 Labouchere Road, South Perth WA 6151. Call before travelling if building access or parking matters for you. Reception can confirm appointment type, timing and practitioner availability. For a planned assessment, the online booking page is also available.
If you are gathering medical information for the visit, our article about preparing for a dental appointment while taking blood thinners covers that separate discussion. Tell the treating team about your medicines; this cracked-tooth guide does not advise changing them.
You can read about Dr. Bhumit Shah, Principal Dentist, before booking. Ask reception if you would like to see him. An author byline is not confirmation of availability for a particular appointment.
Sources and scope
Sources checked 9 November 2026. This is general patient education, not a diagnosis, a promise that a tooth can be saved, or a personal treatment or waiting plan. Your dentist needs to assess suitability, risks and alternatives for your tooth.
- Better Health Channel: Root canal treatment, reviewed 14 July 2025. Pulp disease, assessment, treatment stages, restoration, referral, tooth colour and untreated infection. Original article content informed by this reference. Reference: www.betterhealth.vic.gov.au.
- Queensland Government: Emergency dental, updated 16 March 2022. Cracks and facial-swelling timing. © The State of Queensland 2026; CC BY 4.0. Guidance expressed in original wording; no government artwork used.
- NSW Health: Dental information for patients. Emergency breathing guidance, not NSW service eligibility. © State of New South Wales NSW Ministry of Health; CC BY 4.0. For current information go to www.health.nsw.gov.au.
- Signature Dental's linked root canal, broken-tooth, extraction, South Perth, booking and author pages. Clinic contacts, assessment choices, limits, aftercare and cost factors.
The hero is an AI-generated conceptual illustration of a molar teaching model, not a photo of Signature Dental, its staff, patients or a treatment result. The illustrated line cannot show the depth of a real crack or which treatment would suit it.