Table 1

Case definitions for periodontitis (Page and Eke, 2007)

Disease Category*

CAL

PD


Severe Periodontitis

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

and

≥ 1 interproximal site with PD ≥ 5 mm

Moderate Periodontitis

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

or

≥ 2 interproximal sites with PD ≥ 5 mm (not on same tooth)

No or mild Periodontitis

Neither "moderate" nor "severe"


* Third molars excluded

Leroy et al. BMC Oral Health 2010 10:8   doi:10.1186/1472-6831-10-8

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