Periodontal abscess


  • Occurs when plaque and debris become entrapped in periodontal pocket
  • Other terms: lateral abscess, parietal abscess

Clinical Features

  • Severe pain
  • Sensitivity to palpation
  • Suppuration with gentle pressure

Differential diagnosis

Dentoalveolar Injuries

Odontogenic Infections



  • Usually clinical


  • Local therapy for small abscesses
    • Penicillin VK 500 mg PO QID or clindamycin 300 mg PO QID
    • Warm saline rinses
  • Larger abscesses require I&D
  • Chlorhexidine 0.1% mouth rinses BID for short-term use


  • Out-patient treatment

See also

Dental problems

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