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Salivary pH and flow rate of female student with (I) and without (II) signs of periodontitis. Values are expressed as mean ± SD.
| Salivary factor | Group I (n = 21) | Group II (n = 29) | Range |
|---|---|---|---|
| pH | 6.76 ± 0.12 | 6.88 ± 0.14 | 7.15–6.21 |
| Flow rate (ml/min) | 0.45 ± 0.13 | 0.49 ± 0.07 | 0.33–0.76 |
