Post-Apex Surgery Complications: Silver Powder Filling and Pain Issues - Dentistry

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Retrograde filling with silver powder after apical surgery?


Dear Doctor, after undergoing apicoectomy and filling the cavity with silver powder at a traditional dental clinic, I have been experiencing dull pain on one side of my face, particularly in the nasal cavity and orbital area, for over six months.
Sometimes, I also feel a sense of fullness and dull pain in my ears.
I have consulted multiple ENT specialists and neurologists, but no clear cause has been identified.
Could the silver powder have affected the nerve canal at the apex, leading to intermittent pain in the nasal cavity, orbital area, and sometimes in the maxilla? The pain seems to migrate; at times, there is no pain in the orbital area, but deep ear pain occurs, and at other times, only the nasal cavity hurts.
Are there documented cases in medicine that resemble this situation? Would using a material like MTA (Mineral Trioxide Aggregate) for filling be more stable?

Ne, 30~39 year old female. Ask Date: 2021/10/21

Dr. Lin Jiayong reply Dentistry


Hello: Silver powder retrograde filling has been in practice for many years.
Although it is not the most ideal method, it is considered "acceptable." Nowadays, MTA (Mineral Trioxide Aggregate) is also quite popular, and if there are no economic considerations, using MTA is indeed better.
As for other pain in the head and neck region, rather than worrying about whether it is caused by the silver powder, it is better to go directly to a larger hospital and have a physician perform a CT scan of the head and neck to confirm whether there are any other lesions or tumors.
This approach is more reassuring.
Sincerely, Lin Chia-Yung, Department of Dentistry, Taichung Hospital, Ministry of Health and Welfare.

Reply Date: 2021/10/21

More Info


After apex surgery, particularly when silver powder is used to fill the cavity left by cyst removal, patients may experience a range of complications, including pain and discomfort in areas such as the nasal cavity, eye socket, and even the ear. Your symptoms of dull pain and a feeling of pressure in these areas, along with the occasional ear blockage, can be quite distressing.
It is important to understand that the apex surgery, or apicoectomy, is performed to treat persistent infections or issues related to the root of a tooth. During this procedure, the root tip is removed, and the area is filled with a material, such as silver powder, to promote healing and prevent further infection. However, the use of certain materials can sometimes lead to complications, particularly if they interact with surrounding tissues or nerves.

The symptoms you describe—pain that seems to migrate between the nasal cavity, eye socket, and ear—could potentially be linked to several factors:
1. Nerve Irritation: The proximity of dental structures to the maxillary sinus, nasal cavity, and even the trigeminal nerve can lead to referred pain. If the silver powder or the surgical procedure has caused irritation or inflammation of nearby nerves, this could explain the pain you are experiencing.

2. Sinus Issues: The maxillary sinus is located near the roots of the upper teeth. If the surgery has affected the sinus, it could lead to sinusitis or other sinus-related issues, which can cause pain in the nasal cavity and pressure in the ears.

3. Material Reaction: While silver powder is generally considered biocompatible, individual reactions can vary. If there is a sensitivity or an inflammatory response to the silver powder, it could lead to localized pain and discomfort.

4. Infection: Although you have seen multiple specialists without a clear diagnosis, it is still important to rule out any potential infection in the area where the surgery was performed. Chronic infections can lead to persistent pain and discomfort.

5. Muscle Tension: Sometimes, pain in these areas can also be related to muscle tension or spasms, particularly if you have been unconsciously clenching your jaw or altering your posture due to discomfort.

Regarding your question about whether using a different filling material, such as MTA (Mineral Trioxide Aggregate), would be more stable, MTA is often preferred in endodontic treatments due to its excellent sealing properties and biocompatibility. It has been shown to promote healing and is less likely to cause irritation compared to some other materials. However, the choice of filling material should be made by your dentist or oral surgeon based on your specific case and their clinical judgment.

In terms of management, here are some recommendations:
- Follow-Up with Your Dentist: It is crucial to have a follow-up appointment with the dentist who performed the surgery. They can assess the surgical site and determine if there are any complications that need to be addressed.

- Pain Management: Over-the-counter pain relievers, such as ibuprofen or acetaminophen, may help alleviate discomfort. However, consult with your healthcare provider before taking any medication.

- Physical Therapy: If muscle tension is contributing to your pain, physical therapy may help relieve symptoms through targeted exercises and techniques.

- Further Imaging: If symptoms persist, consider asking for further imaging studies, such as a CT scan, to evaluate the area more thoroughly for any underlying issues.

- Consultation with Specialists: If your symptoms do not improve, it may be beneficial to consult with an oral surgeon or a specialist in orofacial pain who can provide a more comprehensive evaluation.

In conclusion, while your symptoms are concerning, they may not be uncommon following apex surgery. It is essential to continue seeking medical advice and to explore all potential avenues for diagnosis and treatment.

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