Gum Abscess: Causes, Symptoms, and Treatment Options - Dentistry

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Gingival abscess


Dear Dr.
Tseng,
A few days ago while brushing my teeth, I noticed a white pus-filled bump on the outer gum between my lower left wisdom tooth and the second molar a few hours after I carefully brushed those teeth.
There is no pain when biting down, but pressing on the bump with my finger does cause pain.
I'm not sure if this is due to brushing too hard, some debris in the periodontal area, or possibly related to cavities, as the second molar has been previously filled due to a small cavity, and the emerging wisdom tooth is horizontally impacted.
Since my scheduled appointment is still several days away, I’m feeling quite anxious.
Thank you for your help!

anonym, 20~29 year old female. Ask Date: 2019/08/21

Dr. Zeng Guanghui reply Dentistry


A pus-filled abscess between the wisdom tooth and the second molar may be caused by a bacterial infection leading to gum swelling and inflammation.
It is advisable to return to the clinic for further examination by a dentist.
If the wisdom tooth is horizontally impacted, it is recommended to schedule an extraction.

Reply Date: 2019/08/21

More Info


A gum abscess, also known as a dental abscess, is a localized infection that can occur in the gums or around the roots of teeth. It is typically characterized by the accumulation of pus, which is a thick fluid containing bacteria, dead cells, and tissue debris. Understanding the causes, symptoms, and treatment options for a gum abscess is crucial for effective management and prevention of further complications.


Causes of Gum Abscess
1. Bacterial Infection: The primary cause of a gum abscess is a bacterial infection, often stemming from untreated dental issues such as cavities, gum disease (gingivitis or periodontitis), or trauma to the gums.

2. Impacted Wisdom Teeth: In your case, the presence of a horizontally impacted wisdom tooth can lead to the accumulation of food particles and bacteria, resulting in infection and subsequent abscess formation.

3. Poor Oral Hygiene: Inadequate brushing and flossing can lead to plaque buildup, which can harden into tartar and contribute to gum disease and abscess formation.

4. Dental Procedures: Sometimes, dental work, such as fillings or extractions, can introduce bacteria into the gums, leading to an abscess.

5. Underlying Health Conditions: Conditions that compromise the immune system, such as diabetes, can increase the risk of infections, including gum abscesses.


Symptoms of Gum Abscess
- Swelling and Redness: The affected area may appear swollen and red, indicating inflammation.

- Pain: While you mentioned that your teeth do not hurt, pressing on the abscess can cause pain, which is a common symptom.

- Pus Formation: The presence of a white or yellowish pus-filled bump is characteristic of an abscess.

- Bad Breath: Foul-smelling breath can occur due to the infection.

- Fever: In some cases, systemic symptoms like fever may develop if the infection spreads.


Treatment Options
1. Dental Evaluation: It is essential to see a dentist as soon as possible. They will perform a thorough examination, possibly including X-rays, to determine the extent of the infection and the best course of action.

2. Drainage of the Abscess: The dentist may need to drain the pus from the abscess to relieve pressure and remove the infection. This is often done through a small incision.

3. Antibiotics: If the infection is severe or spreading, your dentist may prescribe antibiotics to help eliminate the bacteria.

4. Pain Management: Over-the-counter pain relievers, such as ibuprofen or acetaminophen, can help manage discomfort until you can see a dentist.

5. Treating Underlying Issues: If the abscess is related to a cavity or gum disease, your dentist will recommend appropriate treatments, such as fillings or deep cleaning.

6. Surgical Intervention: In cases where the abscess is associated with an impacted tooth, extraction of the tooth may be necessary.


Risk of Delay
Delaying treatment can lead to complications, including the spread of infection to surrounding tissues, which can result in more severe health issues. In rare cases, untreated dental infections can lead to systemic infections, affecting other parts of the body.


Conclusion
In summary, a gum abscess is a serious dental issue that requires prompt attention. While you may not be experiencing significant pain in your teeth, the presence of pus and discomfort when pressing on the abscess indicates that an infection is present. It is crucial to maintain good oral hygiene and seek dental care as soon as possible to prevent further complications. In the meantime, managing pain with over-the-counter medications and avoiding irritating the area can help until your dental appointment.

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