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Aggressive periodontitis describes a type of periodontal disease and includes two of the seven classifications of periodontitis

  1. Localized aggressive periodontitis (LAP)
  2. Generalized aggressive periodontitis (GAP)

Aggressive periodontitis is much less common than the chronic one and generally affects younger patients than does the chronic form.

The localized and generalized forms are not merely different in extent; they differ in etiology and pathogenesis.

Localized vs. generalized forms

  • Localized Form
    • circumpubertal (around the time of puberty) onset
    • localized first molar/incisor presentation
    • Gingival inflammation, edematous, bleeding, pocketing
  • Generalized form
    • usually affects patients under 30 years of age
    • poor serum antibody response to infective agents
    • pronounced episodic nature of periodontal destruction
    • generalized presentation affecting at least 3 permanent teeth other than first molars and incisors.
    • More bony destruction and more rapid than the LAP
    • Bleeding, deep pocketing (BPE 4), Periodontal abscess. No gingival inflammation

Severity of periodontal tissue destruction is subclassified in the same fashion as is chronic form.


Treatment generally involves mechanical therapy (non-surgical or surgical debridement) in conjunction with antibiotics. Several studies suggest that these types of cases respond best to a combination of surgical debridement and antibiotics. Regenerative therapy with bone grafting procedures are often selected in these cases due to the favorable morphology of the bony defects which result from the disease.