From: The effect of green tea on the shear strength of brackets after home whitening treatment
Score | Experimental group, n (%) | n | Dunn's test | p value | |||||
---|---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | ||||
0 | 15 (100) | 14 (93) | 11 (73) | 6 (40) | 14 (93) | 15 (100) | 15 | a | 0.001 |
1 | 0 (0) | 1 (7) | 4 (27) | 4 (27) | 1 (7) | 0 (0) | 15 | ab | |
2 | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 15 | b | |
3 | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 15 | b | |
EF | 0 (0) | 0 (0) | 0 (0) | 5 (33) | 0 (0) | 0 (0) | 15 | b |