Periodontal Abscess: Causes, Diagnosis, and Treatment
What is a periodontal abscess?
A periodontal abscess is an accumulation of pus within a periodontal pocket, resulting from a bacterial infection. It occurs when the immune system cannot completely eliminate bacteria present in the gingival sulcus, leading to inflammation and tissue necrosis. This condition can appear as a complication of advanced periodontal disease or after foreign bodies, such as food fragments, become impacted in the gums.
Causes of periodontal abscess
A periodontal abscess is the result of a bacterial infection, but its development can be influenced by several factors.
- Advanced periodontal disease: The accumulation of plaque and tartar on the gums causes inflammation and the formation of deep periodontal pockets, where bacteria can proliferate.
- Impaction of food or foreign bodies: Food particles, seeds, or dental floss remnants can become trapped in periodontal pockets and cause infection.
- Occlusal trauma: Overloading forces on a tooth with reduced periodontal support can lead to inflammation and predispose to abscess formation.
- Decreased immune system: Patients with systemic diseases like diabetes or immunosuppression have a higher risk of developing periodontal infections.
- Inappropriate antibiotic use: Antibiotic treatments without dental supervision can mask symptoms without completely eliminating the infection, favoring abscess recurrence.
Symptoms of periodontal abscess
The signs and symptoms of a periodontal abscess vary depending on the severity of the infection, but include:
✅ Intense, localized pain in the affected gum.
✅ Swelling and redness of the infected area.
✅ Tooth mobility due to destruction of the periodontal ligament.
✅ Spontaneous pus discharge from the periodontal pocket.
✅ Bad breath and bad taste in the mouth due to the presence of bacteria and pus.
✅ Difficulty chewing or feeling of pressure in the affected tooth.
If the infection progresses without treatment, it can spread to deeper structures, compromising bone integrity and tooth stability.
Diagnosis of periodontal abscess
The diagnosis of a periodontal abscess is based on clinical examination and complementary tests.
🦷 Visual examination and palpation: Gum inflammation, redness, and the presence of fistulas with pus discharge are observed.
🦷 Periodontal probing tests: The depth of periodontal pockets is measured to determine the degree of tissue destruction.
🦷 Dental radiographs: Allow evaluation of bone loss and differentiation between a periodontal abscess and a periapical abscess.
🦷 Bacterial culture: In recurrent infections, a culture can be performed to identify the type of bacteria and select the most appropriate antibiotic.
Treatment of periodontal abscess
Treatment aims to eliminate the infection, reduce inflammation, and preserve the health of the periodontium.
🔹 Abscess drainage: An incision is made in the gum or deep scaling is performed to allow accumulated pus to drain.
🔹 Deep periodontal cleaning: Scaling and root planing to remove plaque and calculus accumulated within the periodontal pocket.
🔹 Antibiotics: Prescribed in cases where the infection has spread or in patients with systemic risk factors.
🔹 Periodontal surgery: In advanced cases, a surgical procedure may be necessary to remove infected tissue and reduce the depth of periodontal pockets.
🔹 Tooth extraction: If the tooth has severe mobility or extensive bone destruction, extraction is recommended to prevent the spread of infection.
Prevention of periodontal abscess
✔️ Maintain good oral hygiene with brushing and flossing to eliminate plaque buildup.
✔️ Perform regular professional cleanings to prevent the formation of periodontal pockets.
✔️ Avoid food impaction by using proper brushing techniques and mouthwashes.
✔️ Control systemic diseases such as diabetes, which can increase the risk of periodontal infections.
✔️ Visit the dentist at the first signs of inflammation or pain in the gums.
Complications of untreated periodontal abscess
If left untreated, a periodontal abscess can lead to serious complications, such as:
⚠️ Tooth loss due to destruction of supporting tissue.
⚠️ Facial cellulitis when the infection spreads to the soft tissues of the face.
⚠️ Spread of infection to the jawbone (osteomyelitis).
⚠️ Secondary abscesses in other areas of the mouth or even in distant organs.
⚠️ Sepsis in extreme cases where the infection spreads to the bloodstream.
Conclusion
A periodontal abscess is a serious condition that can compromise tooth stability and the patient's general health. Early detection and timely treatment are essential to prevent complications and preserve the periodontium. A multidisciplinary approach that includes infection control, deep cleaning, and correction of risk factors ensures a better prognosis.
Legal Notice and Disclaimer
This article is part of ONAK's Medical Terms Dictionary and is for informational purposes only. It should not be used as a substitute for a consultation with a dentist. The information provided here does not guarantee the prevention, diagnosis, or treatment of any periodontal disease.
ONAK is not responsible for the improper use of the information contained in this article. It is recommended to consult a dental health professional for proper diagnosis and treatment.
Bibliography
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Herrera, D., Sanz, M., Klinge, B. "Periodontal abscesses." J Clin Periodontol. 2018 Sep; 45(Suppl 20):S78-S94. Available at: https://pubmed.ncbi.nlm.nih.gov/30198180/
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Darcey, J., Qualtrough, A. "Periodontal abscesses: a review." Dent Update. 2009 Jul-Aug; 36(6):340-2. Available at: https://pubmed.ncbi.nlm.nih.gov/19697656/
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Nibali, L., Koidou, V. "Acute periodontal lesions (periodontal abscesses and necrotizing periodontal diseases)." Periodontol 2000. 2018 Jun; 76(1):107-118. Available at: https://pubmed.ncbi.nlm.nih.gov/29947184/
