How root treated teeth can break
A root-treated tooth, also known as a tooth that has undergone a root canal treatment, can be more prone to fracture for several reasons:
1. Loss of Tooth Structure:
- During a root canal treatment, the dentist removes the infected or inflamed pulp tissue from inside the tooth. This process often involves drilling through the tooth and can result in significant loss of tooth structure, especially if the tooth had a large cavity or filling prior to treatment.
- The removal of this internal structure can make the tooth more brittle and less able to withstand the forces of biting and chewing.
2. Dehydration of Tooth Structure:
- After root canal therapy, the tooth no longer receives nutrients and moisture from the pulp. This can cause the tooth to become more brittle over time, increasing the risk of fracture.
3. Changes in Force Distribution:
- A healthy tooth flexes slightly under the pressure of normal biting and chewing. After a root canal, the loss of the elastic pulp tissue can alter the way forces are distributed across the tooth, potentially making it more susceptible to cracks or fractures.
4. Large Fillings or Previous Damage:
- Teeth that require root canal treatment often already have large fillings or extensive decay. The existing damage and larger restorations can weaken the tooth's structure.
5. Lack of Protective Restoration:
- After a root canal, dentists often recommend placing a crown on the tooth to protect it and restore its function. If a crown is not placed, the unprotected tooth is more vulnerable to fractures.
To mitigate the risk of fracture, it is important to follow the dentist's recommendations for post-treatment care. This often includes the placement of a crown or other restoration to provide structural support and protection to the treated tooth. Additionally, practicing good oral hygiene and avoiding habits that can put excessive stress on the teeth (like chewing on ice or hard objects) can help maintain the integrity of a root-treated tooth.
