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Progress in Orthodontics

Table 2 Comparison of median for the tooth movement measurements among study groups at day 21

From: Effect of low level laser and low intensity pulsed ultrasound therapy on bone remodeling during orthodontic tooth movement in rats

Comparison of groups

n

Median (IqR)

X2-Statistica (df)

P valueb

Control

5

1923.736 (1.93)

  

LLLT 100 mW

5

2531.897 (3.64)

  

LIPUS

5

2249.468 (6.20)

17.857 (3)

0.000

LLLT 100 mW + LIPUS

5

2990.864 (3.85)

  
  1. IqR interquartile range
  2. aKruskal-Wallis test was applied
  3. bMann-Whitney test with Bonferroni correction for individual pair was applied, P < 0.001 between all pairs
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