Table 3.
Means and standard deviations of the rating by dentists and lay people to the gingival to lip margin discrepancy. (GL: Gingival to lip margin in mm).
| Dentists | Lay people | t-test | p-Value | |
|---|---|---|---|---|
| GL 0 | 55.4 ± 23.9 | 63.1 ± 24.6 | −1.750 | .083 NS |
| GL 1 | 52 ± 23.4 | 63.1 ± 22.8 | −2.704 | .008⁎⁎ |
| GL 2 | 48.4 ± 23.8 | 58.4 ± 21.9 | −2.382 | .019⁎ |
| GL 3 | 45 ± 23.6 | 55.3 ± 25.6 | −2.300 | .023⁎ |
| GL 4 | 46.9 ± 24.2 | 62.3 ± 25 | −3.413 | .001⁎⁎ |
| GL 5 | 39.2 ± 23.9 | 54.3 ± 27.8 | −3.189 | .002⁎⁎ |
NS: Not significant.
∗∗∗p < 0.001.
⁎
p < 0.05.
⁎⁎
p < 0.01.