Gum Issues: Pain and Swelling After Dental Work - Dentistry

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Gum issues


I would like to ask the doctor about a tooth that has root decay and gum recession.
The doctor helped me fill the root with resin, and after two months, I went for a dental cleaning.
After the cleaning, the gum around the filled area started to become red, swollen, and painful.
The doctor then filed down a bit of the filling, which improved the situation, but occasionally the same area still feels dull and achy.
Eating does not cause any pain.
Last Friday, after the cleaning and examination, the doctor said everything was fine, but when I got home, the gum around that tooth started to become a bit red again, and the dull pain has increased in frequency.
However, eating and drinking still do not cause pain; it only hurts when I am at rest, feeling like a dull, stabbing pain (but it's not unbearable).
I would like to know if this is normal after a dental cleaning, or if teeth that have had root fillings are more prone to gum redness and swelling.
What can I do to prevent this redness and swelling?

Bu, 20~29 year old female. Ask Date: 2022/05/11

Dr. Lin Jiayong reply Dentistry


Hello: If there is originally gum recession and after the restoration, the gums become red and swollen, it may indicate that the restoration is overhanging.
It is recommended to ask the dentist to adjust the restoration by contouring it from the mesial to the distal to ensure it is smooth and check for gum reduction.
If there is no reduction in swelling, it may be necessary to remove the entire restoration.
Sincerely, Dr.
Lin Chia-Yung, Department of Dentistry, Taichung Hospital, Ministry of Health and Welfare.

Reply Date: 2022/05/11

More Info


It sounds like you're experiencing some discomfort and swelling in your gums following dental work, particularly after a root canal and subsequent resin filling. This can be a common issue, and understanding the underlying causes can help you manage your symptoms effectively.

Firstly, it's important to recognize that after any dental procedure, especially those involving root canals and fillings, some degree of gum irritation and discomfort can occur. This is often due to the body's natural healing response, which can manifest as redness, swelling, and tenderness in the gums. The fact that you are not experiencing pain while eating or drinking is a positive sign, indicating that the tooth itself may not be the primary source of your discomfort.

The redness and "dull" pain you describe could be attributed to several factors:
1. Post-Operative Healing: After dental procedures, the tissues around the treated area can become inflamed as they heal. This inflammation can cause the gums to appear red and feel tender. It’s not uncommon for this discomfort to fluctuate, sometimes feeling better and then returning.

2. Gum Irritation: If the filling material is slightly over-contoured or if there are rough edges, it can irritate the surrounding gum tissue. Your dentist's adjustment of the filling may have helped, but if the irritation persists, further adjustments may be necessary.

3. Infection or Inflammation: In some cases, persistent redness and discomfort can indicate an underlying infection or inflammation, particularly if there is an issue with the root canal treatment itself. If the root canal did not completely eliminate the infection, or if there are additional canals that were not treated, this could lead to ongoing symptoms.

4. Gingival Recession: Since you mentioned gum recession, this can also contribute to sensitivity and discomfort. Receding gums expose more of the tooth root, which can be more sensitive to changes in temperature and pressure, leading to discomfort even when not actively chewing.

5. Oral Hygiene: Maintaining good oral hygiene is crucial, especially after dental work. If plaque accumulates around the filling or on the gums, it can lead to inflammation and discomfort. Regular brushing and flossing, along with routine dental cleanings, are essential to prevent this.

To address your concerns and manage your symptoms, consider the following steps:
- Follow-Up with Your Dentist: Since you are experiencing ongoing discomfort, it’s important to communicate this with your dentist. They may want to examine the area again to ensure there are no complications, such as an infection or issues with the filling.

- Maintain Oral Hygiene: Continue to practice good oral hygiene. Brush gently around the affected area and consider using an antibacterial mouthwash to help reduce inflammation.

- Warm Salt Water Rinse: Rinsing with warm salt water can help soothe irritated gums and reduce swelling. Mix about half a teaspoon of salt in a glass of warm water and rinse several times a day.

- Avoid Irritants: Try to avoid very hot, cold, or spicy foods that might exacerbate the discomfort. Stick to softer foods until the area feels more comfortable.

- Pain Management: Over-the-counter pain relievers, such as ibuprofen or acetaminophen, can help manage discomfort if needed. However, consult with your dentist before taking any medication.

In summary, while some discomfort and gum swelling can be normal after dental work, persistent symptoms warrant further evaluation by your dentist. They can provide a thorough examination and determine if any additional treatment is necessary. Your oral health is important, and addressing these concerns promptly can help ensure a smooth recovery.

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