Table 1.
Number of colony forming units (CFU) of Streptococcus mutans in the saliva samples verified in 6 children with 1:10 dilution before and after the treatment with varnish containing the oil resin at concentrations Copaifera langsdorffii 1, 5, 10 and 20%. In each concentration, comparisons between pre- and post-treatment were carried out by using the t test for paired samples.
| Concentration (%) | Pre-treatment |
Post-treatment |
Significance (P value) | ||
|---|---|---|---|---|---|
| Average | SD | Average | SD | ||
| 1 (n = 6) | 6972,00 | 4159,67 | 2571,83 | 1535,44 | 0,0302* |
| 5 (n = 6) | 5610,83 | 4047,03 | 2160,83 | 1425,83 | 0,0275* |
| 10 (n = 6) | 3479,60 | 4231,43 | 2426,40 | 3751,68 | 0,0928 |
| 20 (n = 6) | 6094,17 | 4448,37 | 3621,83 | 4295,63 | 0,0726 |