Cracked or Broken Tooth Repair in Sydney

We use an operating microscope to see cracks that are invisible to the naked eye, determining with precision if your tooth can be preserved.

Diagnosis and treatment by a specialist endodontist, with 3D imaging where needed.

Saving your tooth is typically less expensive than a tooth extraction and dental implant.

These are shallow surface cracks only in the outer enamel. They look like tiny vertical lines and are extremely common in adults over 40. They are purely a cosmetic concern. They do not cause pain and do not require a root canal.

These cracks typically develop around dental fillings. While they usually don’t affect the tooth’s pulp, they still need professional assessment. You might feel moderate pain when chewing or notice a rough edge with your tongue. A root canal is only needed if the crack extends into the pulp chamber. Typical treatment is a new crown or onlay.

This is a vertical crack that extends from the chewing surface down toward the root. This type demands specialist microscopic evaluation. Symptoms include sharp pain when biting and releasing pressure, intermittent discomfort, and temperature sensitivity.

These cracks are often invisible on standard x-rays. If the crack reaches the pulp, a root canal is essential to save the tooth. This is urgent. Untreated cracks worsen with chewing pressure and can deepen significantly within 6 months.

This is what happens when a cracked tooth is left untreated. The crack has completely divided the tooth into distinct segments. This causes severe pain and you won’t be able to chew on the tooth.

Extraction is often required. In some cases, an endodontist can save one segment of the tooth with root canal treatment. This is only possible if the crack does not extend too far below the gum line.

This is a very challenging crack that begins in the root and extends up toward the chewing surface. Symptoms are often minimal at first, with an infection developing over weeks or months.

It is often misdiagnosed as a failed root canal because it frequently occurs in previously treated teeth. Diagnosis requires 3D imaging (CBCT). Treatment may involve root end surgery (apicoectomy) or extraction if the crack is too extensive.

This is the hallmark symptom of a cracked tooth. You feel a sharp, intermittent pain when you bite down, and often again when you release the pressure. This occurs because the crack is flexing, irritating the pulp (nerve). This indicates the crack has likely reached the sensitive inner tissue.

This isn’t just a brief “zing.” This is lingering pain that lasts 30 seconds or more after exposure to hot or cold. It suggests the crack has reached the pulp chamber, exposing the nerve. This is a sign of progressing inflammation.

A pimple-like bump (abscess) on the gum near the cracked tooth is a dental emergency. It means bacteria have entered the pulp through the crack. The infection is spreading into the surrounding bone and tissue. You may notice pus drainage or a bad taste.

If a previously mild discomfort suddenly becomes a severe, constant throbbing pain that pain medication cannot control, contact us immediately. This often means the pulp inflammation has become irreversible and the nerve is dying.

• Do you have sharp pain when biting or releasing pressure?
• Do you have temperature sensitivity that lasts 30+ seconds?
• Is there swelling or a pimple on the gum near the tooth?
• Is the pain preventing sleep?
• Is the pain intermittent and hard to locate?

If you checked two or more items, schedule a specialist crack assessment. If you have gum swelling or pain preventing sleep, call us on 02 9680 4311. If you are in pain, we can usually see you for an assessment within 48 hours. That appointment covers diagnosis, pain relief and a clear plan for treatment, with treatment scheduled from there.

A root canal is crucial if the crack has penetrated deep enough to expose or infect the pulp (nerve chamber). Signs this has happened include severe spontaneous pain, prolonged sensitivity, pain that wakes you from sleep, or gum swelling.

Superficial cracks (craze lines) that only affect the outer enamel do not require a root canal. A fractured cusp that breaks off the chewing surface often only needs a crown, as long as the pulp is not involved.

Only a specialist can make the right call. Endodontists use surgical operating microscopes (providing 3-25x magnification) to see cracks that are invisible to the naked eye. This precision allows us to accurately determine if a root canal is necessary, or if a simpler treatment will work. We also use 3D cone beam CT scans to reveal crack patterns that traditional X-rays miss.

When a crack extends into the pulp, our treatment follows a precise protocol. We eliminate the infection, seal the crack pathway, and reinforce the tooth structure.

Microscopic Diagnosis We use dental operating microscopes at 20-25x magnification. This allows us to identify the complete crack pathway, ensuring all infected tissue is accessed and no additional cracks are missed during treatment.

The infected pulp tissue is carefully removed from all root canals. We use ultrasonic activation to ensure bacteria are eliminated even from the microscopic crevices of the crack itself.

The root canal system is sealed with a heated, rubber-like material called gutta-percha. This creates a hydraulic seal within the crack pathways, which prevents bacteria from re-entering. We then bond composite resin to the internal tooth structure to provide reinforcement.

After a root canal, a cracked tooth absolutely requires a full-coverage crown. This is the most critical step for long-term survival. The crown holds the tooth together, distributes biting forces evenly, and prevents the crack from extending further.

Most cracked teeth can be saved. The main factors favouring preservation are when the crack is above the bone level, there is enough tooth structure for a crown, and the surrounding bone is healthy. A specialist opinion is critical. A specialist assessment can show whether a tooth that looks hopeless can still be saved.

Losing a tooth is not a simple fix. Bone is lost where the tooth was, adjacent teeth can shift and bite problems can develop. This also reduces your chewing efficiency. Replacing the tooth is expensive, often requiring a dental implant or a bridge (which involves grinding down adjacent healthy teeth).

Option 1

Root Canal + Crown This keeps your natural tooth and is often the more cost-effective long-term option.

Option 2

Extraction + Dental Implant This approach involves a 6–12 month treatment timeline. While effective, it generally requires a higher financial investment over a 15-year period compared to tooth retention.

Conclusion When clinically possible, saving your natural tooth offers superior health outcomes and lower lifetime costs.

A sudden crack from biting something hard or an injury can be alarming. Your immediate actions can make the difference between saving and losing the tooth.

Rinse and Inspect Rinse your mouth gently with warm water. Look for visible crack lines or broken pieces. Do not probe the crack with your tongue or fingers, as this can worsen the fracture.

Take over-the-counter anti-inflammatory medication (like ibuprofen) if you are able to. Apply a cold compress to your cheek (15 minutes on, 15 minutes off). Avoid chewing on that side completely and stick to soft foods.

Call us on 02 9680 4311 if you have:

• Severe pain (7+ on a 10-point scale)
• Visible pimple or swelling on the gum near the cracked tooth
• Pain that prevents you from sleeping
• A large piece of the tooth has broken off
• Fever accompanying the tooth pain

If you are in pain, we can usually see you for an assessment within 48 hours. That appointment covers diagnosis, pain relief and a clear plan for treatment, with treatment scheduled from there.

This is the “silent tooth cracker”. Many cracked teeth occur in people who grind their teeth, often unknowingly during sleep.

• Prevention: A custom nightguard is the most effective prevention.

Teeth with large fillings covering much of the chewing surface are far more likely to crack. Old metal fillings also expand and contract with temperature, creating stress fractures.

• Prevention: Proactively replacing large, old fillings with crowns or onlays can prevent a catastrophic crack.

Avoid high-risk habits like chewing ice, hard lollies, nuts, and popcorn kernels. Never use your teeth as tools to open packages.

When your tooth’s future is on the line, specialist care makes a measurable difference.

Endodontists use surgical operating microscopes for every procedure. This 25x magnification reveals tiny cracks, fractures, and extra canals that are completely invisible to the naked eye. We use 3D CBCT imaging to see the crack’s path in three dimensions, something a standard 2D x-ray cannot do.

Endodontists complete an additional 2-3 years of intensive postgraduate training exclusively in root canal treatment and diagnosis of tooth pain.

Learn about the comprehensive root canal procedure that saves an infected tooth.

For cracks or infections that persist at the very tip of the root.