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Table 1 Classification criteria of periodontal condition

From: Comparation of the effectiveness of conventional needle irrigation and photon-induced photoacoustic streaming with sodium hypochorite in the treatment of teeth with apical periodontitis: a randomized clinical trial

 

PD

CAL

ABL

BOP

Normal

≤ 3 mm

<3 mm

0

(-)

Gingivits

>3 mm

<3 mm

0

(+)

Mild Periodontitis

≤ 4 mm

<3 mm

≤ 7 mm without reaching the apex

(+)

Moderate Periodontitis

>4 ~ ≤ 6 mm

≥ 3~<5 mm

>7 mm without reaching the apex

(+)

Severe Periodontitis

>6 mm

≥ 5 mm

>7 mm reaching the apex

(+)

  1. Abbreviations: PD, probing depth. CAL, clinical attachment level. ABL, Alveolar bone loss. BOP, bleeding on probing
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BMC Oral Health

ISSN: 1472-6831

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