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Progress in Orthodontics

Table 3 Plaque index (PI) change recorded at the first orthodontic checkup 1 month after professional cleaning and prophylaxis instruction

From: Oral hygiene compliance in orthodontic patients: a randomized controlled study on the effects of a post-treatment communication

 

Communication group (n = 28 + n = 26)

Control group (n = 30)

Comparison (P)a

Plaque index

 Median, (Iqr)

0.3 (0.60)

0.75 (1.30)

0.0205

  1. Iqr interquartile range
  2. aTwo-sample Wilcoxon rank-sum (Mann–Whitney) test
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