Pain After Dental Pin Placement in Root-Canaled Tooth: What to Do? - Dentistry

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Placing a dental post in a tooth that has undergone root canal treatment can cause pain?


Hello, Doctor.
I had a root canal on my upper last molar many years ago, but I forgot to get a crown to protect it at that time.
This week, I decided to get a crown, and the doctor first placed a dental post and mentioned that a core buildup was done.
Before the procedure, I had an X-ray taken, and no issues were noted.
The doctor informed me that I might experience some gum pain afterward and prescribed medication, providing me with enough for two meals.
After the procedure on Tuesday, I felt okay and didn't take the medication.
However, from Wednesday to Saturday, for four days now, I've been experiencing persistent pain around the tooth with the dental post, although there is no visible swelling.
I researched online and found that there might be a pre-existing tooth crack.
Does this mean that the tooth will need to be extracted? If so, will I be unable to get the crown? (I have already paid in full.
QQ) Thank you.

Niming, 20~29 year old female. Ask Date: 2020/05/09

Dr. Huang Tingfang reply Dentistry


Dear Anonymous Miss: Hello! (Placing a post in a root-canal-treated tooth may cause pain).
There is a possibility of a tooth fracture.
An X-ray is needed to confirm.
Otherwise, monitoring is required! A tooth fracture cannot support a dental prosthesis! Take care! Wishing you peace and smoothness in everything! Sincerely, Dr.
Huang Ting-Fang, Dentistry.

Reply Date: 2020/05/09

More Info


Experiencing pain after the placement of a dental pin in a tooth that has undergone root canal treatment can be concerning, especially when you are preparing for a dental crown. It's important to understand the potential causes of this pain and the appropriate steps to take in response.

Firstly, it's not uncommon to experience some discomfort after the placement of a dental pin or post, especially if the tooth has previously undergone root canal therapy. The pain you are feeling could be due to several factors:
1. Inflammation: After the procedure, the surrounding tissues may be inflamed. This inflammation can result from the trauma of the procedure itself, which can cause temporary discomfort. It's essential to follow your dentist's advice regarding pain management, which may include over-the-counter pain relievers or prescribed medications.

2. Pressure from the Pin: If the dental pin is placed too tightly or if there is excessive pressure on the surrounding tissues, it can lead to pain. This is particularly true if the tooth had pre-existing conditions, such as cracks or fractures, which may have been exacerbated by the procedure.

3. Underlying Issues: If the tooth had a crack or other structural issues prior to the procedure, the placement of the pin could aggravate these problems, leading to pain. Cracked teeth can sometimes be difficult to diagnose without advanced imaging techniques, and they may not always be visible on X-rays.

4. Infection: Although less common, there is a possibility of infection in the area surrounding the tooth, especially if there was any pre-existing infection before the root canal treatment. Signs of infection can include swelling, pus, or increased pain.

Given your situation, here are some steps you can take:
- Monitor Your Symptoms: Keep track of the pain level and any other symptoms you may experience, such as swelling or changes in your bite. If the pain persists or worsens, it’s crucial to return to your dentist for further evaluation.

- Pain Management: Continue to take any prescribed pain medication as directed. Over-the-counter anti-inflammatory medications, such as ibuprofen, can also help manage pain and reduce inflammation.

- Follow-Up Appointment: Schedule a follow-up appointment with your dentist as soon as possible. They may want to take additional X-rays or perform a clinical examination to assess the condition of the tooth and the surrounding structures.

- Discuss Concerns About Cracks: If you suspect that a crack may be present, discuss this with your dentist. They may recommend a cone beam CT scan or other imaging techniques to get a clearer picture of the tooth's condition.

- Consider the Crown: If the tooth is determined to be structurally sound and the pain is manageable, your dentist may still proceed with placing the crown. However, if a significant crack is found, extraction may be necessary, and alternative options like implants can be discussed.

In conclusion, while pain after dental pin placement can be a normal part of the healing process, persistent or severe pain should not be ignored. It’s essential to communicate openly with your dentist about your symptoms and concerns. They are best equipped to determine the underlying cause of your pain and recommend the appropriate treatment to ensure the long-term health of your tooth and the success of your dental crown.

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