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Cracked Teeth Treatment in St. Louis and Festus

Why Cracked Teeth Can Be Difficult to Diagnose

A cracked tooth can cause sharp or inconsistent symptoms that are difficult to reproduce. Pain may occur when biting, when releasing pressure, or when the tooth is exposed to temperature changes. Symptoms may come and go, and the patient may not be able to identify the exact tooth.

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Common Symptoms

• Sharp pain when chewing or releasing a bite

• Sensitivity to cold, heat, or sweets

• Pain that comes and goes rather than remaining constant

• Tenderness in one part of the tooth

• Spontaneous pain if the pulp becomes severely inflamed

• Swelling or drainage if infection develops

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Not Every Crack Is the Same

Treatment and prognosis depend on the crack’s location, depth, direction, and effect on the pulp and supporting tissues.

• Craze lines are shallow enamel lines that are common and usually do not require treatment.

• A fractured cusp involves part of the chewing surface and may be restored with a filling or crown.

• A cracked tooth extends from the crown toward the root. Early diagnosis may allow the tooth to be protected and, when the pulp is affected, treated with a root canal.

• A split tooth has separated into distinct segments and usually cannot be retained intact.

• A vertical root fracture begins in the root and may cause limited symptoms until the surrounding bone and gum become infected.

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How Does an Endodontist Find a Crack?

Diagnosis can include bite testing, magnification, transillumination, periodontal probing, staining, radiographs, CBCT imaging in selected cases, and examination of the tooth under a surgical microscope. No single test identifies every crack, and some cracks remain difficult to visualize directly.

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How Are Cracked Teeth Treated?

A crack limited to the outer tooth structure may be managed restoratively. If the pulp is irreversibly inflamed or infected, root canal treatment may be needed before the tooth receives a protective crown. A crack that extends too deeply below the gumline or through the root can make the tooth nonrestorable. Earlier evaluation and treatment generally provides more treatment options.

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Frequently Asked Questions

Can a crack heal?

Unlike a broken bone, a crack in a tooth does not fuse back together. Treatment is intended to protect the tooth, address pulp disease, and reduce further propagation when possible.

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Will a crown stop a crack?

A crown can brace and protect many cracked teeth, but it cannot guarantee that a crack will not progress. The prognosis depends on the crack’s extent and location.

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Does every cracked tooth need a root canal?

No. Root canal treatment is indicated when the pulp is irreversibly inflamed, necrotic, or infected. Some cracks can be managed without endodontic treatment, while others cannot be predictably restored.

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Schedule an Evaluation

If you have tooth pain, swelling, a cracked tooth, dental trauma, or questions about a previous root canal, our endodontists can evaluate the problem and explain your treatment options. Same-day emergency appointments are often available.

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South County: (314) 894-5600   |   Festus: (636) 931-4020

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Clinically reviewed by the endodontists of Advanced Endodontics. This information is educational and does not replace an individual examination or diagnosis.