Table 4.
Antibacterial Activity of Copaiba gel and Chlorhexidine against the tested strains, showing the Means of inhibition haloes (in mm) at 24 hours in BHI medium.
| Bacteria | Treatments | Means (mm) | p-Value |
|---|---|---|---|
| S. constellatus | Chlorhexidine | 21.86 a | 0.016 |
| Copaiba oil gel | 16.71 b | ||
| S. mitis ATCC 903 | Chlorhexidine | 23.21 a | 0.0079 |
| Copaiba oil gel | 21.28 b | ||
| S. mitis D4 | Chlorhexidine | 21.28 a | 0.3978 |
| Copaiba oil gel | 19.50 a | ||
| S. mitis M3 | Chlorhexidine | 22.57 a | 0.0596 |
| Copaiba oil gel | 26.14 b | ||
| S. mitis Fe4 | Chlorhexidine | 24.14 a | 0.0004 |
| Copaiba oil gel | 20.28 b | ||
| S. oralis ATCC 10557 | Chlorhexidine | 21.00 a | 0.0001 |
| Copaiba oil gel | 15.14 b | ||
| S. salivarius | Chlorhexidine | 21.14 a | 0.1113 |
| Copaiba oil gel | 17.21 a | ||
| S. sanguinis ATCC 15300 | Chlorhexidine | 22.43 a | 0.0001 |
| Copaiba oil gel | 13.57 b | ||
| S. mutans ATCC 25175 | Chlorhexidine | 21.28 a | 0.0001 |
| Copaiba oil gel | 13.42 b |
mm = Millimeters. Means followed by different letters differ among them at the level of significance of 5%.