Submandibular mass
Dear Doctor, my lower left last molar underwent root canal treatment.
Two hours after the procedure, I noticed two white hard lumps, one large and one small, about 0.5 cm below my lower left canine and adjacent molar.
The larger lump feels as hard as bone and is painless.
What could this situation be?
Linr, 30~39 year old female. Ask Date: 2015/12/30
Dr. Zeng Guanghui reply Dentistry
The above situation may indicate a nerve extraction process, where there is a bacterial infection at the root apex that has not been completely disinfected.
It may require several sessions of root canal debridement and medication disinfection before it gradually heals.
It is recommended that the dentist continue with the root canal treatment.
Reply Date: 2015/12/30
More Info
After undergoing a root canal treatment, it is not uncommon for patients to notice changes in the surrounding tissues, including the development of hard lumps or swellings in the jaw area. In your case, the appearance of two white hard lumps beneath your canine and adjacent molar teeth, particularly one that feels as hard as bone, can be concerning. However, there are several potential explanations for this phenomenon.
1. Bone Healing and Remodeling: After a root canal treatment, the body initiates a healing process. The hard lumps you are feeling could be a result of bone remodeling as the body repairs itself. This process can sometimes lead to the formation of bony exostoses or other benign bony growths, which may feel hard and be painless.
2. Inflammation or Infection: Although you mentioned that there is no pain associated with these lumps, it is still possible that they are related to inflammation or a mild infection in the area. Sometimes, the body reacts to the treatment or the materials used during the procedure, leading to localized swelling. If there was any residual infection or if the root canal treatment did not fully eliminate the infection, it could lead to the formation of a periapical abscess, which may present as a hard lump.
3. Cyst Formation: Another possibility is the development of a dental cyst, which can occur after dental procedures. These cysts are usually fluid-filled sacs that can feel firm and may not cause immediate discomfort. They often require monitoring and, in some cases, surgical intervention if they do not resolve on their own.
4. Residual Material: During root canal treatment, various materials are used to fill the canal and seal it. Occasionally, some of these materials can extrude beyond the root tip into the surrounding bone, leading to localized reactions or hard lumps. This is generally not a cause for alarm unless it leads to symptoms of infection.
5. Normal Post-Operative Changes: It is also possible that the lumps are simply a normal post-operative change. After dental procedures, the tissues can swell or change in texture as they heal, which may present as hard lumps.
Recommendations:
- Observation: If the lumps are not causing any pain or discomfort, it may be advisable to monitor them for a few weeks. Sometimes, these lumps can resolve on their own as the healing process continues.
- Follow-Up Appointment: It is important to follow up with your dentist or endodontist. They can perform a clinical examination and possibly take X-rays to assess the situation further. This will help determine if the lumps are a normal part of the healing process or if they require further intervention.
- Symptoms to Watch For: Keep an eye out for any changes in symptoms, such as the development of pain, swelling, or changes in the appearance of the lumps. If any of these occur, it is crucial to seek dental care promptly.
In conclusion, while the presence of hard lumps in the jaw after a root canal treatment can be concerning, they are not always indicative of a serious problem. It is essential to maintain communication with your dental care provider to ensure proper evaluation and management of your symptoms.
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