Research Article
Whitening Effect of Juglans regia Dry Husk Extract on Primary and Permanent Teeth
Table 1
Statistical test for the change in all colour variables (L, A, B, C, and H) in primary teeth.
| Colour variables | Mean rank (pumice group) | Z (pumice group) | value (pumice group) | Mean rank (Juglans regia group) | Z (Juglans regia group) | value (Juglans regia group) |
| L | 4.63 | 0.474 | 0.635 | 5.89 | 2.599 | | A | 6.11 | 2.670 | | 6.07 | 1.530 | 0.126 | B | 6.00 | 0.357 | 0.635 | 5.50 | 1.683 | 0.092 | C | 6.75 | 1.068 | 0.721 | 5.57 | 1.172 | 0.241 | H | 5.71 | 1.068 | 0.285 | 7.05 | 1.173 | 0.242 |
|
|