A cracked tooth does not repair itself, but many cracked teeth can be successfully treated. How to fix a cracked tooth depends on the type of crack, how deeply it extends and whether the tooth’s pulp or root has been affected. A superficial crack may need little treatment, while a deeper crack may require a restoration, a crown or root canal treatment. The first step is establishing exactly what has happened to the tooth.
Can a Dentist Fix a Cracked Tooth?
In many cases, yes. The aim is to preserve the natural tooth where possible and protect it from further damage. Whether the tooth can be saved depends on factors including:
- The depth and direction of the crack
- How much healthy tooth structure remains
- Whether the pulp has been affected
- Whether the crack extends below the gum line
- Whether the root is involved
A tooth that appears only slightly damaged can sometimes have a deeper crack, while a more visible fracture may be relatively straightforward to restore. An examination is therefore necessary before deciding on treatment. For a broader explanation of the condition itself, see our guide to Cracked Tooth. You can also read what can a dentist do for a cracked tooth?
How Does a Dentist Fix a Cracked Tooth?
The dentist first assesses the tooth and surrounding tissues. This may involve examining the tooth, testing how it responds and using X-rays where appropriate. The dentist then chooses the repair based on the damage. Depending on the crack, treatment may involve smoothing a minor defect, rebuilding the tooth with restorative material, placing a crown or treating the pulp before restoring the tooth. The objective is not to make the crack biologically disappear. Treatment stabilises the tooth and reduces the risk of further structural damage.
How to Treat a Cracked Tooth With Minor Damage
When the damage is limited, the tooth may not need extensive treatment. Fine surface cracks in enamel, sometimes called craze lines, may cause no pain and may not require restorative treatment. If a small section of the tooth is damaged, the dentist may smooth the area or rebuild it with a suitable restorative material.
For appropriate cases, composite bonding can restore a small damaged section of the tooth. The decision depends on whether the crack affects the tooth’s strength and function, rather than simply whether a visible line is present.
How Can You Fix a Cracked Tooth With a Larger Fracture?
How can you fix a cracked tooth when more of the tooth structure is involved? A larger crack may require more protection than a small filling or bonded repair can provide. The dentist will assess whether the remaining tooth can withstand normal biting forces. If the tooth has become significantly weakened, a restoration covering more of the tooth may be considered.
A dental crown may help protect and restore a suitable tooth by covering the remaining structure. However, a crown is not automatically the answer to every cracked tooth. The location and depth of the crack remain important.
How Does a Dentist Repair a Cracked Tooth That Reaches the Pulp?
How does a dentist repair a cracked tooth when the damage extends into the pulp? The pulp contains nerves and blood vessels, and significant damage or infection may mean that restoring the outside of the tooth alone is insufficient. In suitable cases, root canal treatment may be needed to treat the inside of the tooth. The tooth is then restored and may require additional protection depending on how much structure remains. Not every deep crack can be successfully treated with root canal treatment. The crack itself must still allow the tooth to be restored predictably.
How Do Dentists Fix a Cracked Tooth at the Back of the Mouth?
How do dentists fix a cracked tooth when it is a molar? Back teeth experience substantial biting pressure, which can make cracks more likely to worsen over time. Treatment depends on the crack’s direction and depth. A limited fracture may be restored directly, while a weakened molar may require greater protection.
Pain when biting and releasing pressure can sometimes occur with a cracked tooth. Because symptoms may come and go, the absence of constant pain does not necessarily mean that the crack is harmless.
Can Every Cracked Tooth Be Repaired?
No. Some cracks are too extensive for predictable restoration. A tooth may be difficult or impossible to save when the crack extends deeply below the gum line, involves the root extensively or has caused the tooth to split into separate sections.
Vertical root fractures can be particularly challenging. In some circumstances, extraction may be necessary. If this is recommended, the dentist can explain why the tooth cannot be restored and discuss appropriate replacement options.
Can You Fix a Cracked Tooth at Home?
A cracked tooth cannot be permanently repaired at home. Avoid chewing hard foods on the affected side while waiting for a dental appointment. However, temporary repair products and pain relief do not treat the crack itself. Prompt assessment is particularly important if you have significant pain, swelling or a large broken section of tooth.
What is the Best Way to Fix a Cracked Tooth?
There is no universal treatment because cracks vary significantly. The best answer to how to fix a cracked tooth depends on how far the damage extends. Minor surface cracks may require little intervention. A damaged area may be rebuilt with restorative material, while a significantly weakened tooth may require a crown. If the pulp is affected, treatment inside the tooth may also be necessary. The goal is to preserve the natural tooth wherever possible while restoring its function and protecting it from further damage.
