Table 3.
Frequency and percentage of chronic periodontitis severity case definitions.
| Definition of severity | Studies # (%) |
|---|---|
| Severe | |
| CAL: | |
| at least 1 site CAL≥6 | 2(2.1) |
| at least 2 teeth CAL ≥6 mm | 1(1.1) |
| at least 2 sites CAL≥4 | 1(1.1) |
| at least 30% sites CAL≥5 | 3(3.2) |
| CAL ≥ 6 mm | 2(2.1) |
| CAL ≥5 mm | 15(16.0) |
| Radiograph: | |
| >50 % of the root | 4(4.3) |
| >33% of the roots, or if angular bony defects/furcation defects degree II and III in more than 3 teeth (molar and premolar regions) | 1(1.1) |
| PD: | |
| PD≥6 mm | 4(4.3) |
| PD of ≥4 mm and at least 10 sites of PD ≥6 mm. | 1(1.1) |
| ≥19 sites PD ≥5 mm | 1(1.1) |
| PD 7 to 8 mm | 1(1.1) |
| PD > 7.5 mm | 1(1.1) |
| PD ≥4 | 1(1.1) |
| at least 10% of sites with PD≥ 6 mm (moderate to severe ) | 1(1.1) |
| PD + CAL: | |
| PD and CAL ≥5 mm | 1(1.1) |
| PD≥4 and CAL≥6 | 1(1.1) |
| PD≥5 and CAL≥6 | 2(2.1) |
| PD ≥5 and CAL≥4 (moderate or severe) | 42(44.7) |
| at least two sites CAL ≥ 6mm (not on same tooth) and at least one site with PD ≥5mm | 1(1.1) |
| PD≥6 and CAL≥5 | 1(1.1) |
| PD and CAL ≥5mm | 2(2.1) |
| PD and CAL≥6 mm | 1(1.1) |
| CAL or PD with radiograph: | |
| PD≥5 and radiographic panorama ≥30 | 1(1.1) |
| CAL >6 mm, grade II and/or III furcation, possible tooth mobility class II or III | 1(1.1) |
| PD + CAL+ BOP: | |
| PD≥5, CAL≥6 and BOP | 1(1.1) |
| PD≥5, CAL≥6 BOP≥30 | 1(1.1) |
| Total | 94(100) |
| Moderate | |
| CAL: | |
| CAL 3–4 mm | 15(42.9) |
| CAL 3 to 6 mm CAL | 1(2.9) |
| 3 sites with CAL ≥4 mm | 1(2.9) |
| Radiograph: | |
| 20-30% of the root | 1(2.9) |
| >2 mm not exceeding one-third of the roots, or if angular bony defects/furcation defects degree II and III in 2-3 teeth (molar and premolar regions) | 1(2.9) |
| PD: | |
| PD 4-5 mm | 1(2.9) |
| PD with ≥4 mm and a maximum of 9 sites with PPD of ≥6 mm | 1(2.9) |
| ≥7 to 18 sites PD ≥5 mm | 1(2.9) |
| PD ≥3 | 1(2.9) |
| PD 5.5 and 7.5 mm | 1(2.9) |
| PD 5 to 8mm | 1(2.9) |
| PD + CAL: | |
| PD≥4 and CAL≥4 | 1(2.9) |
| PD ≥5 and CAL≥4 | 1(2.9) |
| PD >5 mm and CAL = 3–4 mm | 1(2.9) |
| PD and CAL≥3 and <5mm | 2(5.7) |
| PD≥4 and CAL≥4 mm | 1(2.9) |
| at least one site with both ≥ 4 mm and PD of ≥4 mm | 1(2.9) |
| CAL or PD with radiograph: | |
| CAL 4–6 mm, grade I and/or II furcation, and possible tooth mobility class I | 1(2.9) |
| PD + CAL+ BOP | |
| PD≥5, CAL≥4 and BOP | 1(2.9) |
| PD≥5, CAL≥3 and BOP≥30 | 1(2.9) |
| Total | 35(100) |
| Mild | |
| CAL: | |
| CAL 4–5 mm | 1(4.0) |
| at least 2 teeth CAL ≥1 mm | 1(4.0) |
| at least at one site CAL < 3 mm | 1(4.0) |
| CAL of 1–2 mm | 15(60.0) |
| PD: | |
| mild or no disease with PPD of ≤4 mm | 1(4.0) |
| ≥3 to 6 sites that are PD ≥5 mm | 1(4.0) |
| PD 4 to 5mm | 1(4.0) |
| PD 3.5 and 5.5 mm | 1(4.0) |
| at least 10% of sites with PD of 5 mm | 1(4.0) |
| PD + CAL | |
| PD > 5 mm and CAL = 1–2 | 1(4.0) |
| CAL or PD with radiograph | |
| CAL ≤4 mm and possible class I furcation invasion areas | 1(4.0) |
| Total | 25(100) |
CAL: clinical attachment level, PD: probing depth, and BOP: bleeding on probing.