Skip to main content

Table 3 Results of one-way ANOVA, divided by each group, comparing slot measurements for different bracket types

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

  Levene statistics (p value) F statistics p value UR1 vs UR3 UR1 vs UR4 UR3 vs UR4
  Group 1
 Slot height 0.153 3.20 0.054 0.0004 (0.054) 0.0001 (0.843) − 0.0003 (0.167)
 Slot width (max) 0.334 140.01* < 0.001 0.007* (< 0.001) 0.0045* (< 0.001) − 0.0025* (< 0.001)
 Slot width (min) 0.774 4.98* 0.013 0.0006 (0.241) 0.0006 (0.299) − 0.0012* (0.009)
  Group 2
 Slot height 0.730 3.20 0.057 0.0000 (0.923) − 0.0003 (0.138) − 0.0004 (0.065)
 Slot width (max) 0.028 20.04* < 0.001 0.0044* (< 0.001) 0.0004 (0.889) − 0.0040* (0.005)
 Slot width (min) < 0.001 3.15 0.059 0.0007* (0.004) 0.0003 (0.662) − 0.0004 (0.402)
  Group 3
 Slot height 0.290 6.47* 0.005 − 0.0005* (0.007) − 0.0000 (0.892) 0.0004* (0.021)
 Slot width (max) 0.046 45.20* < 0.001 − 0.0032* (0.012) 0.0053* (< 0.001) 0.0086* (< 0.001)
 Slot width (min) 0.131 47.03* < 0.001 − 0.0041* (< 0.001) 0.0034* (0.001) 0.0075* (< 0.001)
  1. Group 1 Astar Orthodontics, Group 2 SIA, Group 3 Sweden & Martina, UR1 upper right central incisor bracket, UR3 upper right canine bracket, UR4 upper right first premolar bracket
  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
\