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Table 5 Results of one-way ANOVA, divided by each group, comparing slot measurements for different archwires

From: Dimensional variability of orthodontic slots and archwires: an analysis of torque expression and clinical implications

 

Levene statistics (p value)

F statistics

p value

Group 1 vs Group 2

Group 1 vs Group 3

Group 2 vs Group 3

Height of 0.019 × 0.025 archwire

0.277

8.544*

0.005

0.00009 (0.176)

− 0.00011 (0.109)

− 0.0002 (0.004)

Width of 0.019 × 0.025 archwire

0.016

16.320*

< 0.001

− 0.00004 (0.886)

− 0.00035* (< 0.001)

− 0.00031* (0.023)

Height of 0.021 × 0.025 archwire

0.281

14.535*

0.001

0.00018 (0.098)

− 0.00025* (0.023)

− 0.00043* (< 0.001)

Width of 0.021 × 0.025 archwire

0.493

8.931*

0.004

0.0001 (0.491)

− 0.00025* (0.031)

− 0.00036* (0.004)

Radius of edge bevel of 0.019 × 0.025 archwire

0.006

66.584*

< 0.001

0.00078* (0.029)

− 0.0017* (0.001)

− 0.00248* (< 0.001)

Radius of edge bevel of 0.021 × 0.025 archwire

0.006

21.184*

< 0.001

0.00094* (0.023)

− 0.00098 (0.065)

− 0.00192* (0.005)

  1. Group 1 Astar Orthodontics, Group 2 SIA, Group 3 Sweden & Martina
  2. *Statistically significant for p < 0.05
  3. Mean difference in inch (p value) from Tukey’s HSD post hoc test
  4. Mean difference in inch (p value) from Games-Howell post hoc test