Should You Keep a Tiny Tooth Root When Getting Dentures?

Natural tooth root

My mother's upper lateral incisors and canines were extracted due to looseness, and she is now looking to get dentures.
However, there is still a small portion of natural tooth remaining from the upper lateral incisor, which has not been completely extracted.
An X-ray shows that the root is still healthy, but that small piece of natural tooth has a slight blackish-red discoloration, and we are unsure if it is a cavity.
The dentist advised to keep it to support the dentures.
I would like to know if that small piece of natural tooth will gradually decay after the dentures are placed.
Would it be better to extract it completely?

Karen, 20~29 year old female. Ask Date: 2011/02/14

Dr. Cao Guoqing reply Dentistry

Hello, ma'am.
Whether to extract or not is a consideration for the dentist.
Therefore, it may be necessary to ask the dentist why.
In principle, a healthy tooth root can be retained, and it can also preserve the alveolar bone.
However, having teeth also carries the risk of cavities.
So it might be best for you to consult with your dentist.

Reply Date: 2011/02/14

More Info

When considering whether to keep a tiny tooth root while getting dentures, several factors must be taken into account, particularly the health of the remaining tooth structure and the potential implications for future dental health. In your mother's case, the presence of a small portion of the natural tooth root, especially if it appears healthy on an X-ray, can be beneficial for anchoring the denture. However, the discoloration you mentioned (black-red color) raises concerns about possible decay or other underlying issues.

Benefits of Retaining a Tooth Root
1. Stability for Dentures: A remaining tooth root can provide additional support for a denture. This is particularly important for the anterior teeth, where aesthetics and function are crucial. The root can help stabilize the denture, making it less likely to shift during eating or speaking.

2. Bone Preservation: Keeping a tooth root can help maintain the surrounding bone structure. When a tooth is extracted, the bone that supported it can begin to resorb or shrink over time. Retaining the root can stimulate the bone and help preserve its volume.

3. Future Treatment Options: If the remaining root is healthy, it may provide options for future dental treatments, such as a dental implant, should the need arise.

Risks of Retaining a Tooth Root
1. Potential for Decay: If the remaining tooth root has signs of decay (as suggested by the discoloration), it could lead to further complications. Bacteria can thrive in decayed areas, potentially leading to infection or abscess formation. If the root is not treated properly, it may eventually necessitate extraction.

2. Impact on Denture Fit: If the remaining tooth root deteriorates over time, it could affect the fit and stability of the denture. This could lead to discomfort and the need for adjustments or even replacement of the denture.

3. Maintenance and Monitoring: Keeping a tooth root requires regular dental check-ups to monitor its health. If it shows signs of decay or infection, prompt treatment will be necessary to prevent further complications.

Recommendations
Given the situation, it is advisable to have a thorough examination by a dental professional. Here are some steps to consider:
1. Further Evaluation: A dentist should evaluate the remaining tooth root and the surrounding gum tissue. This may include additional X-rays to assess the health of the root and surrounding bone.

2. Treatment of Decay: If the discoloration indicates decay, it may be necessary to treat it before proceeding with denture placement. This could involve a filling or other restorative procedures to ensure the root is healthy.

3. Discuss Options: Talk to the dentist about the pros and cons of keeping the root versus extracting it. If the root is deemed unhealthy or at risk of causing future problems, extraction may be the best option.

4. Consider Denture Design: If the decision is made to keep the root, discuss how the denture will be designed to accommodate it. The dentist can create a custom denture that provides support while minimizing the risk of further decay.

In conclusion, while retaining a tiny tooth root can provide benefits for denture stability and bone preservation, it is essential to ensure that the root is healthy. Regular monitoring and appropriate treatment of any decay are crucial to maintaining oral health and the longevity of the denture. Always consult with a qualified dental professional to make informed decisions based on the specific circumstances.

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