From: Frictional resistance exerted by different lingual and labial brackets: an in vitro study
Group | Mean friction | ||
---|---|---|---|
Mean width | Mean distance L | ||
Lower lingual | Pearson correlation | .339 | -.404 |
Sig. (two-tailed) | .144 | .078 | |
n | 20 | 20 | |
Lower labial | Pearson correlation | .306 | -.164 |
Sig. (two-tailed) | .249 | .544 | |
n | 16 | 16 | |
Upper lingual | Pearson correlation | .179 | -.405 |
Sig. (two-tailed) | .451 | .077 | |
n | 20 | 20 | |
Upper labial | Pearson correlation | .609^{-} | -.606^{-} |
Sig. (two-tailed) | .012 | .013 | |
n | 16 | 16 |