Why Did My Tooth Break Again After Recent Dental Filling? - Dentistry

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The tooth that was just filled three days ago has fallen out?


Hello Doctor: A few months ago, a large piece of my upper right molar broke off while I was eating.
I went to the clinic immediately, and the doctor said it could just be filled.
Three days ago, the same tooth developed a cavity on the outer side, so I had it filled again.
However, today while eating, a large piece of the same tooth broke off again (almost half of the tooth), similar to the first incident.
Although it doesn't hurt, I'm a bit worried and would like to ask: 1.
Does this require root canal treatment? 2.
Is it just an issue with the filling material (which seems to be resin)? 3.
Or should this tooth, which is a wisdom tooth, be extracted directly? It seems a bit troublesome to keep getting it filled.
Thank you, Doctor.

Alice, 10~19 year old female. Ask Date: 2017/01/14

Dr. Lin Jiayong reply Dentistry


Hello: It is necessary to confirm whether the wisdom tooth is properly erupted, whether it has functionality, and to assess the extent of any cavities before establishing a treatment plan.
Wishing you peace and health.

Reply Date: 2017/01/14

More Info


Tooth fractures can be a frustrating and concerning issue, especially after recent dental work such as fillings. Based on your description, it seems that your upper right molar has experienced multiple fractures in a short period, which raises several important considerations regarding the health and treatment of that tooth.


Possible Reasons for Tooth Fracture
1. Structural Weakness: After a tooth has been filled, especially if it has undergone significant decay or damage, it may not regain its original strength. The filling material, such as resin composite, can help restore function but may not provide the same structural integrity as the natural tooth. If the tooth had extensive decay, it could be more susceptible to fractures.

2. Biting Forces: Molars are subjected to significant biting forces during chewing. If the tooth is already compromised, these forces can lead to further fractures. If you are biting down on hard foods or if there is an uneven distribution of pressure on the tooth, it can exacerbate the problem.

3. Inadequate Filling: If the filling was not properly placed or if there was a gap between the filling and the tooth structure, this could lead to further decay or weakness in the tooth. Bacteria can infiltrate these gaps, leading to recurrent decay and subsequent fractures.

4. Underlying Issues: If the tooth has a deep cavity or if there is an infection in the pulp (nerve) of the tooth, it may require root canal treatment. Symptoms of pulp infection can include pain, swelling, or sensitivity, but sometimes there may be no pain, making it harder to detect.

5. Wisdom Tooth Consideration: If the tooth in question is indeed a wisdom tooth (third molar), it is often a candidate for extraction, especially if it is causing recurrent issues. Wisdom teeth are frequently impacted or misaligned, leading to complications that can justify their removal.


Recommendations
1. Consultation with Your Dentist: It is crucial to return to your dentist for a thorough examination. They can assess the extent of the damage and determine whether the tooth can be salvaged or if extraction is the best option. They may take X-rays to evaluate the tooth's condition and the surrounding bone structure.

2. Consider Root Canal Treatment: If there is evidence of pulp damage or infection, root canal treatment may be necessary to save the tooth. This procedure involves removing the infected or damaged pulp, cleaning the inside of the tooth, and sealing it to prevent further infection.

3. Evaluate Filling Material: Discuss with your dentist the type of filling material used. Some materials may be more durable than others, and your dentist can recommend the best option for your specific situation.

4. Preventive Measures: If you are prone to tooth fractures, consider discussing preventive measures with your dentist. This could include wearing a night guard if you grind your teeth or making dietary adjustments to avoid hard foods that could exacerbate the issue.

5. Extraction Consideration: If the tooth is a wisdom tooth and is causing recurrent problems, extraction may be the most straightforward solution. Your dentist can provide guidance on the best course of action based on your overall dental health.


Conclusion
In summary, the repeated fractures of your tooth after recent fillings can be attributed to structural weaknesses, biting forces, inadequate filling, or underlying issues such as infection. It is essential to consult with your dentist to determine the best course of action, whether that involves further treatment, root canal therapy, or extraction. Addressing these issues promptly can help prevent further complications and maintain your overall dental health.

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