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Table 1 The total distances moved by the canine and the anchorage loss in the MOP and control sides (paired sample t test)

From: Effect of micro-osteoperforation on the rate of canine retraction: a split-mouth randomized controlled trial

  CBCT measurement Mean ± SD (mm) Mean difference (MOP -CON) SD 95% confidence interval of the difference P value  
Lower Upper
Total distances moved by the canine (mm) Can-tip-FP (MOP) 3.34 ± 2.28 0.06 0.72 − 0.33 0.44 0.75764 P > 0.05 NS
Can-tip-FP (CON) 3.29 ± 2.39
Can-C-FP (MOP) 2.13 ± 0.75 0.37 0.63 0.02 0.71 0.04121 P < 0.05 S
Can-C-FP (CON) 1.76 ± 0.91
Can-apex-FP (MOP) 1.51 ± 0.95 0.47 0.56 0.17 0.77 0.00419 P < 0.01 HS
Can-apex-FP (CON) 1.04 ± 0.87
Anchorage loss (mm) Mol tip-FP (MOP) − 0.45 ± 0.59 − 0.18 0.43 − 0.41 0.05 0.11229 P > 0.05 NS
Mol tip-FP (CON) − 0.63 ± 0.49
Mol C-FP (MOP) − 0.16 ± 0.55 − 0.09 1.84 − 1.07 0.89 0.84745 P > 0.05 NS
Mol C-FP (CON) − 0.25 ± 1.82
Mol apex-FP (MOP) + 0.13 ± 0.80 − 0.20 0.61 − 0.53 0.13 0.21226 P > 0.05 NS
Mol apex-FP (CON) − 0.07 ± 0.73
  1. Can upper canine, MOP micro-osteoperforation, CON control, tip cusp tip, C center, apex root apex, Mol upper first molar, FP frontal plane, SD standard deviation, (− ve sign) mesial molar movement, (+ve sign) distal molar movement, SD standard deviation, NS non-significant, S significant, HS highly significant