Table 4. Bacterial colonization on treated and non-treated (control) surfaces after biofilm formation.
| Variablesa) | Pseudomonas aeruginosa PAO1 | Staphylococcus aureus | Bacteroides fragilis | Streptococcus spp. | Staphylococcus epidermidis | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| log10 CFU (mean) | SD | No. | log10 CFU (mean) | SD | No. | log10 CFU (mean) | SD | No. | log10 CFU (mean) | SD | No. | log10 CFU (mean) | SD | No. | |
| Control | 2.00 | 0.90 | 10 | 1.99 | 0.98 | 10 | 1.98 | 1.10 | 10 | 1.99 | 0.87 | 10 | 2.01 | 1.02 | 10 |
| DZ | 1.76 | 0.58 | 10 | 1.81 | 0.95 | 10 | 1.79 | 0.65 | 10 | 1.78 | 0.89 | 10 | 1.81 | 0.89 | 10 |
| Ultrasonic scaler | 1.84 | 0.85 | 10 | 1.87 | 0.75 | 10 | 1.88 | 0.98 | 10 | 1.89 | 0.92 | 10 | 1.89 | 0.59 | 10 |
| Curette | 1.82 | 0.67 | 10 | 1.83 | 0.68 | 10 | 1.81 | 0.90 | 10 | 1.81 | 1.00 | 10 | 1.81 | 0.86 | 10 |
| Air-polishing device | 1.84 | 0.82 | 10 | 1.89 | 0.91 | 10 | 1.87 | 0.87 | 10 | 1.86 | 0.88 | 10 | 1.87 | 0.62 | 10 |
CFU: colony-forming unit, SD: standard deviation, DZ: Detartrine ZTM.
a)Control: pure titanium disk, DZ: abrasive paste for polishing (Detartrine ZTM) with a silicon rubber cup, ultrasonic scaler: ultrasonic scaler EMS with a conventional stainless-steel tip, curette: stainless-steel Gracey curette, air-polishing device: AIRFLOW® with glycine powder.