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Demographic characteristics of the patients
| Patients | Group I | Group II | Group III | P |
|---|---|---|---|---|
| Age | 29.20±3.05 | 29.30±2.71 | 29.3±2.97 | 0.99* |
| Number of teeth | 29.15±1.63 | 29.45±1.50 | 29.85±1.49 | 0.36* |
| Male/female | 11/9 | 12/8 | 12/8 | 1.28* |
*P>0.05 considered statistically nonsignificant. Group I – Chlorhexidine as ultrasonic coolant; Group II – Cinnamon extract as ultrasonic coolant; Group III – Distilled water as ultrasonic coolant
