What is a Root Crack?
Posted on 1/1/2026 by Cooley Smiles Everett |
 Have you ever experienced a sharp, fleeting twinge of teeth pain when chewing, especially on something hard? Or perhaps a lingering sensitivity to temperature changes in your mouth? While there can be several reasons for such discomfort, one possibility to consider is a root crack in your tooth.
Understanding Root Cracks
A root crack, also known as a tooth fracture affecting the root, is exactly what it sounds like: a crack in the root of a tooth. Unlike a chipped or broken crown (the visible part of your tooth), a root crack is located below the gum line, making it harder to detect. These cracks can range in severity, from hairline fractures that cause minimal discomfort to more significant splits that compromise the tooth's structural integrity.
Causes of Root Cracks
Several factors can contribute to the development of root cracks. One of the most common culprits is excessive force, either from grinding or clenching your teeth (bruxism), or from biting down on hard objects.
Pre-existing dental work can also play a role. Large fillings, especially older amalgam fillings, can weaken the surrounding tooth structure over time, making it more susceptible to cracking. Teeth that have undergone root canal therapy may also be more vulnerable, as the removal of the pulp can make the tooth more brittle.
Natural wear and tear associated with aging is another contributing factor. As we age, our teeth naturally become more prone to cracks and fractures.
Identifying a Root Crack
Diagnosing a root crack can sometimes be challenging because they are often hidden beneath the gums. However, there are some telltale signs that might indicate a problem.
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Pain When Chewing: This is often the most common symptom. The pain may be sharp and fleeting, occurring only when biting down on certain foods or in specific areas of your mouth. |
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Sensitivity to Temperature: Teeth with root cracks may be more sensitive to hot or cold temperatures. |
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Swelling or Tenderness: In some cases, a root crack can lead to inflammation or infection in the surrounding gum tissue, causing swelling or tenderness. |
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Pain That Comes and Goes: The pain associated with a root crack may not be constant. It may come and go, depending on the activities you're doing and the pressure you're placing on the tooth. |
What Can Be Done?
The approach to managing a root crack depends on the severity and location of the crack. The goal is to alleviate discomfort, prevent further damage, and preserve the tooth whenever possible.
The good news is that in some cases, a root crack can be managed with restorative dentistry. A crown may provide additional support and protection. In other situations, endodontic treatment (root canal therapy) may be necessary to remove infected or inflamed tissue from inside the tooth.
In cases where the crack is severe or extends deep into the root, extraction may be the only viable option. This involves removing the tooth to prevent further complications, such as infection or bone loss. The space left by the missing tooth can then be addressed with a dental implant, bridge, or partial denture to restore function and aesthetics.
If you are experiencing teeth pain, it's always best to consult with a dental professional. Early detection and appropriate management are key to preserving your teeth and maintaining optimal oral health.
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