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Table 1 Case Definition Proposed for Population-Based Surveillances of Chronic Periodontitis by Eke et al. [17]

From: Prevalence of chronic periodontitis in an obese population: a preliminary study

Case

Definition

No chronic periodontitis

No evidence of mild, moderate or severe periodontitis

Mild chronic periodontitis

≥2 interproximal sites with CAL ≥3 mm and ≥2 interproximal sites with PPD ≥4 mm (not on same tooth) or one site with PPD ≥5 mm

Moderate chronic periodontitis

≥2 interproximal sites with CAL ≥4 mm and ≥2 interproximal sites with PPD ≥5 mm (not on same tooth)

Severe chronic periodontitis

≥2 interproximal sites with CAL ≥6 mm (not on same tooth) and ≥1 interproximal site with PPD ≥5 mm