Table 2.
Results of dye penetration (mean and standard deviation) based on Fisher’s LSD Test (p < 0.05). Different uppercase letters indicate statistically significant differences, with largest penetrated dentin areas depicted by letter A and decreasing up to H.
| Group | Mean (SD) | Dye penetration area: ranking for entire root | |||||||
|---|---|---|---|---|---|---|---|---|---|
| D455 | 2.3 (1.3) | A | |||||||
| D970 | 2.1 (1.3) | A | B | ||||||
| D808 | 1.9 (0.8) | A | B | C | |||||
| ER:YAG | 1.67 (0,8) | B | C | D | |||||
| POS | 1.55 (0.8) | C | D | ||||||
| CO2 | 1.48 (0.75) | C | D | ||||||
| NEG | 1.21 (1.1) | D | E | ||||||
| D980 | 1.16 (0.5) | D | E | ||||||
| CONV | 0.95 (0.4) | E | |||||||
| Dye penetration area: ranking for the apical root third | |||||||||
| D 455 | 2.90 (2.0) | A | |||||||
| D 970 | 2.18 (1.8) | A | B | C | |||||
| D 808 | 2.07 (1.1) | A | B | C | D | ||||
| POS | 1.61 (0.9) | B | C | D | E | F | |||
| CO2 | 1.36 (0.8) | C | D | E | F | G | |||
| Er:YAG | 1.30 (0.5) | C | D | E | F | G | |||
| D 980 | 1.09 (0.5) | F | G | H | |||||
| CONV | 0.52 (0.3) | G | H | ||||||
| NEG | 0.34 (0.4) | H | |||||||
SD: standard deviation