Skip to main content
Fig. 2 | Archives of Public Health

Fig. 2

From: Self-check with plaque disclosing solution improves oral hygiene in schoolchildren living in a children’s home

Fig. 2

PCR and PHP score at baseline, at 1 month and at 4 months. P < 0.05 and P < 0.01 indicate statistically significant differences, labeled as * and ** respectively. a PCR score at baseline, at 1 month and at 4 months. Error bars represent the mean ± standard deviation. (**P < 0.01, paired t-test). b Change to PCR scores over a 3-month period of self-checking. c PHP score at baseline, at 1 month and at 4 months. Error bars represent the mean ± standard deviation. (*P < 0.05, Wilcoxon signed-rank test)

Back to article page