Post-Braces Tooth Pain: Causes and Solutions - Dentistry

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Experiencing sudden bite pain a few months after getting braces?


Hello Doctor: Regarding the fourth tooth from the left in the upper row, after undergoing root canal treatment, I did not have a crown placed for protection.
Six months ago, my dentist discovered a crack and promptly made a crown, which was fine until three days ago when I started experiencing sensitivity to hot and cold.
The discomfort has progressively worsened until yesterday when the pain became unbearable, prompting me to return for a check-up.
Light tapping on the tooth does indeed cause pain.
After taking an X-ray, the dentist could not identify any issues due to the crown and advised me to start taking anti-inflammatory and pain relief medication.
He mentioned that if the pain does not recur, I should maintain good care, but if the pain continues, the tooth may need to be extracted (as the crack could be more severe).
After finishing two packs of anti-inflammatory and pain relief medication, the pain has indeed subsided.
However, I still experience slight discomfort when biting down on food.
I would like to ask you: 1.) Why might there still be occlusal pain after root canal treatment? Could it be due to recent excessive fatigue and a weakened immune system leading to inflammation? 2.) If the crack has indeed worsened, what are the potential consequences of ignoring it? 3.) If the crown is removed, can a new crown be made without needing an implant? I apologize for the many questions, but my original dentist is on parental leave, and I am feeling anxious.
Thank you.

Fanrao, 30~39 year old female. Ask Date: 2017/01/04

Dr. Zhu Guanyu reply Dentistry


Hello, if a tooth still experiences occlusal issues after root canal treatment, there are usually several reasons: 1.
Occlusal interference from restorations, 2.
Persistent underlying pathology, 3.
Presence of cracks in the tooth, 4.
Periodontal issues.
If any of these factors are present, a weakened immune system can indeed make swelling and pain more likely.
If there are cracks, it may lead to recurrent infections, and in severe cases, could result in cellulitis.
A thorough examination is necessary to determine the cause of the pain, as different causes will require different treatment approaches; some may necessitate dental implants while others may not.
Therefore, I recommend that you visit our clinic or another dental department for further clinical evaluation to provide you with a clearer treatment plan.
Thank you for your inquiry, and I wish you peace and good health.
Sincerely, Dr.
Kuan-Yu Chu, Director of Dentistry, Taoyuan Hospital, Ministry of Health and Welfare.

Reply Date: 2017/01/04

More Info


To address your concerns regarding post-braces tooth pain, particularly after undergoing root canal treatment and the subsequent placement of a crown, it's essential to understand the underlying causes and potential solutions.

1. Causes of Post-Root Canal Pain: After a root canal treatment, it is not uncommon to experience some discomfort or pain, especially if the tooth was previously compromised due to decay or trauma. The pain you are experiencing when biting down could be attributed to several factors:
- Incomplete Healing: Sometimes, the inflammation in the surrounding tissues may persist even after the root canal is completed. This can lead to sensitivity, especially when exposed to temperature changes (hot or cold).

- Cracks or Fractures: If there is a crack in the tooth that was not adequately addressed, it can lead to pain during chewing. The pressure from biting can exacerbate the pain if the crack extends into the pulp or if the tooth structure is weakened.

- Crown Fit Issues: If the crown is not fitting properly, it may cause discomfort when biting. A high spot on the crown can lead to excessive pressure on the tooth, resulting in pain.

2. Potential Consequences of Ignoring a Crack: If the crack in your tooth worsens and is left untreated, it can lead to more severe complications:
- Infection: A deepening crack can allow bacteria to enter the tooth, potentially leading to reinfection of the root canal or even an abscess.

- Tooth Loss: In severe cases, if the structural integrity of the tooth is compromised, it may lead to the need for extraction. This is particularly true if the crack extends below the gum line or if the tooth cannot be restored effectively.

- Increased Pain: Ignoring the issue may result in increased pain and discomfort, making it difficult to eat or perform daily activities.

3. Options After Crown Removal: If the crown is removed and the underlying tooth structure is still viable, it may be possible to fabricate a new crown without resorting to extraction. However, this depends on the extent of the damage:
- Re-evaluation: Once the crown is removed, your dentist can assess the tooth for any cracks or structural issues that may not have been visible before. If the tooth is still healthy enough, a new crown can be placed.

- Alternative Treatments: If the tooth is found to be severely damaged, other options such as a dental implant or bridge may be considered. However, these are more invasive and typically reserved for cases where the tooth cannot be saved.

In the meantime, while you await further evaluation, here are some recommendations to manage your discomfort:
- Pain Management: Continue taking the anti-inflammatory medication as prescribed by your dentist to help manage pain and reduce inflammation.

- Avoid Hard Foods: Stick to softer foods that require less chewing to minimize discomfort.

- Good Oral Hygiene: Maintain excellent oral hygiene to prevent any additional infections. Gently brush around the crown and the affected area.

- Follow-Up: Keep your follow-up appointment with your dentist to reassess the situation. If the pain persists or worsens, it may be necessary to consider further diagnostic imaging or treatment options.

It's understandable to feel anxious about your dental health, especially with the complexities involved in post-root canal care. Open communication with your dentist about your concerns and symptoms is crucial for effective management and treatment.

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