Gum Abscess Above Front Teeth: Causes and Solutions - Dentistry

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There is an abscess on the gum above the front tooth?


Hello, doctor.
Recently, I've noticed a pus-filled bump on the gum above my front teeth for the past month.
I squeezed it myself, and pus came out.
Sometimes it reappears after a few days.
What could this be? I had root canal treatment and crowns on my two front teeth before, but the bump only seems to develop on one side.
Is this related to the crowns?

Steven Wu, 20~29 year old female. Ask Date: 2016/03/01

Dr. Zeng Guanghui reply Dentistry


The above situation is likely due to chronic inflammation at the root apex causing destruction and infection of the periapical tissue.
It is recommended to consult a dentist for further treatment.

Reply Date: 2016/03/01

More Info


A gum abscess above your front teeth, especially if it has been recurring, is a sign of an underlying dental issue that needs to be addressed. Given your history of root canal treatment and crowns on your front teeth, there are several potential causes for the abscess.

1. Infection: The most common cause of a gum abscess is an infection. This can occur if bacteria enter the gum tissue, often due to periodontal disease, a deep cavity, or a failed root canal. Even if the root canal was performed, there can still be residual bacteria or a new infection if the seal was compromised.

2. Periodontal Disease: If you have gum disease, it can lead to pockets forming between your gums and teeth. These pockets can become infected, leading to the formation of an abscess. Symptoms may include swelling, pain, and pus discharge, which you have experienced.

3. Failed Root Canal: If the root canal treatment was not entirely successful, or if there is a fracture in the tooth that was treated, bacteria can re-enter the tooth and cause an infection. This can lead to the formation of an abscess above the tooth.

4. Crown Issues: If the crown placed on your tooth is not fitting properly or if there are gaps between the crown and the tooth, bacteria can infiltrate and cause infection. This could also lead to the formation of an abscess.

5. Trauma or Fracture: If there has been any trauma to the area or if there is a fracture in the tooth, this could also lead to an abscess. The fracture can allow bacteria to enter the tooth structure, leading to infection.


Solutions and Recommendations:
1. Dental Evaluation: It is crucial to see a dentist as soon as possible. They will likely perform an X-ray to assess the condition of your teeth and the surrounding bone. This will help determine if there is an infection, a failed root canal, or other issues.

2. Treatment Options: Depending on the diagnosis, treatment may involve:
- Antibiotics: If there is an active infection, antibiotics may be prescribed to help eliminate the bacteria.

- Root Canal Retreatment: If the root canal is found to be failing, retreatment may be necessary to remove any remaining infection.

- Surgical Intervention: In some cases, a surgical procedure may be required to drain the abscess and clean the infected area.

- Periodontal Treatment: If gum disease is present, scaling and root planing may be necessary to clean the gums and reduce inflammation.

3. Home Care: While waiting for your dental appointment, maintain good oral hygiene. Rinse your mouth with warm salt water to help reduce inflammation and promote healing. Avoid any irritants, such as very hot or cold foods, which may exacerbate discomfort.

4. Pain Management: Over-the-counter pain relievers can help manage discomfort until you can see your dentist.

In conclusion, a recurring gum abscess is a sign that something is amiss in your dental health. It is essential to seek professional dental care to diagnose the underlying cause and receive appropriate treatment. Ignoring the issue can lead to more severe complications, including tooth loss or systemic infection.

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