Skip to main content
. 2023 May 24;23:261. doi: 10.1186/s12887-023-04078-y

Table 2.

Comparison of baseline (pre-test) and follow-up (post-test) plaque index* of children in MI** and CI*** groups

Group Baseline plaque index Plaque index after 3 m Mean difference 95% confidence interval p-Value
MI 1.16 ± 0.71 0.93 ± 0.62 0.23 0.15 to 0.31 < 0.001
CI 1.21 ± 0.74 1.16 ± 0.79 0.03 -0.2 to 0.7 0.196

* Löe-Silness dental plaque index

** Motivational interviewing

*** Common instruction