Table 5.
Chemical Treatment Comparison Cell Count Results
| Group 1C (Alcohol) | Group 2C (Alc + PBS) | Group 3C (CHX) | Group 4C (CHX + PBS) | Group 5C (Alc + PBS + UV) | Group 6C (CHX + PBS + UV) | Group 7C (Steam) | |
|---|---|---|---|---|---|---|---|
| Disc | |||||||
| 1 | 50,000 | 48,750 | 500 | 1250 | 44,750 | 250 | 83,750 |
| 2 | 52,500 | 46,250 | 250 | 1500 | 37,250 | 250 | 80,000 |
| 3 | 48,750 | 41,000 | 250 | 3500 | 41,500 | 250 | 57,750 |
| Average | 50,416.67 | 45,333.33 | 333.33 | 2083.33 | 41,166.67 | 250 | 73,833.33 |
| SD | 1909.41 | 3955.48 | 144.34 | 1233.22 | 3761.09 | 0 | 14,054.21 |
| P | 0.12 | 0.05 | 7.0 × 10−13‡ | 1.5 × 10−10‡ | 0.022* | 4.0 × 10−13‡ | |
Twenty thousand cells were plated and counted after 1 week. Groups treated with chlorhexidine had statistically significantly lower cell proliferation as compared with the group treated with steam. P value—all groups compared with group 7C.
*
Significant at P < 0.05.
†
Significant at P < 0.01.
‡
Significant at P < 0.001.