Tooth Fracture: Types, causes and treatment options

Tooth Fracture: Types, causes and treatment options

A fractured tooth can range from a minor cosmetic concern to a serious dental emergency, depending on the depth and severity of the tooth damage.

What is a tooth fracture-

A tooth fracture refers to a crack, chip or break in the structure of a tooth. Teeth are composed of multiple layers- the enamel (outer layer), dentin (middle layer), and pulp (inner layer).

Types of tooth fracture-

1. Craze line-

Craze lines are tiny, superficial cracks that affect only the enamel. They are very common in adults and usually develop due to normal wear and tear over time. These cracks are typically painless and do not require treatment.

2. Chipped tooth-

A chipped tooth involves a small piece of enamel breaking off, often due to trauma or biting on hard objects.

3. Cracked tooth-

A cracked tooth has a fracture line that extends from the chewing surface toward the root. The tooth is still in one piece, but the crack can worsen over time symptoms may include pain when chewing or sensitivity to hot and cold.

4. Split tooth-

A split tooth occurs when a crack progresses and separates the tooth into distinct segments. This type of fracture is usually the result of an untreated cracked tooth.

5. Vertical root fracture-

Vertical root fractures start in the root and extend upward forwards the chewing surfaces. These fractures often go unnoticed until infection or gum swelling develops.

6. Fractured cusp-

A fractured cusp typically affects the pointed part of a chewing tooth. While painful when biting, it is one of the less fractured types.

Causes of tooth fracture-

Several factors can contribute to tooth fractures, including:

• Biting hard objects- ice, hard candy, or pens.
• Dental trauma from accidents, sports injuries or falls.
• Teeth grinding (bruxism)- which places excessive pressure on teeth.
• Untreated cavities weaken teeth, increasing the likelihood of fractures even during normal chewing.
• Large or old dental fillings that weaken tooth structure.
• Sudden temperature changes, such as drinking hot beverages after consuming cold foods.
• Poor oral hygiene, leading to decay that weakens teeth.
• Age-related wear, as enamel becomes thinner over time.

Symptoms of a tooth fracture-

1. Pain when chewing or biting.
2. Sensitivity to hot, cold or sweet foods.
3. Intermittent tooth pain that comes and goes, making it hard to pinpoint the source.
4. Dull ache- a constant, dull ache in the tooth.
5. Swelling of the gums around the affected tooth.
6. Sharp edges that irritate the tongue or cheek.
7. A small bump/ pimple (fistula) on the gum can appear if the crack leads to an abscess.
8. Persistent bad breath can be a sign of infection.

Treatment options for tooth fracture-Dental bonding or fillings-

For minor chips or cracks, tooth-colored resin can be used to restore the tooth’s shape and appearance.Best for- craze line, small chips

Dental Crowns

• Crowns are commonly used for cracked, fractured cusp, or weakened teeth. They cover and protect the remaining teeth structure, restoring strength and function.Best for- cracked teeth, fractured cusps

Root canal treatment-

• CIf the fractured extends into the pulp (inner layer) a root canal may be necessary to remove the infected tissue and relieve pain.Best for- Deep cracks involving pulp.

Tooth extraction-

• Severely fractured or split teeth that cannot be saved may need to be extracted replacement options include dental implants, bridges, or partial dentures.

Surgical treatments-

• Vertical root fractures may require procedures like root resection/ amputation, hemi section, Intentional replacement with repair, laser therapy.

Onlays and veneers-

• In some cases, custom restorations such as onlays or veneers may be used for structural or cosmetic repair.

Preventing tooth fracture-

1. Avoid chewing hard objects.
2. Wear a mouthguard during sports.
3. Use a night guard if you grind your teeth.
4. Treat cavities and dental issues early.
5. Limit sugar and acids.
6. Stay hydrated
7. Ensure intake of nutrient rich diet.
8. Practice good oral hygiene to keep teeth strong.
9. Maintain regular dental check-ups.

Frequently Asked Questions