Optical density and gray value of abraded acrylic specimen by toothpaste
Group | Optical density | Gray value | |||
---|---|---|---|---|---|
N of specimens | Mean±SD | N of images | Mean±SD | ||
Anti-plaque | 7 | 0.0530±0.0048 |
21 | 7.26±1.86 |
|
Perio | 7 | 0.0139±0.0026 |
21 | 2.31±0.76 |
|
Vussen sensitive | 7 | 0.0080±0.0029 |
21 | 1.79±0.80 |
|
Colgate | 7 | 0.0032±0.0007 |
21 | 0.85±0.37 |
|
Median | 7 | 0.0030±0.0009 |
21 | 0.72±0.42 |
|
2080 | 7 | 0.0023±0.0007 |
21 | 0.57±0.37 |
|
Sirinmed | 7 | 0.0015±0.0005 |
21 | 0.34±0.33 |
|
Vussen 28 | 7 | 0.0010±0.0004 |
21 | 0.36±0.21 |
|
Sensodyne | 7 | 0.0007±0.0006 |
21 | 0.31±0.16 |
|
Control | 7 | 0.0000±0.0004 |
21 | 0.28±0.14 |
Analysis was conducted by one way ANOVA.
a,b,c,d,eSame letters denote there are no significant difference between groups by bonferroni test (P<0.05).