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Table 6 Mean (standard deviation) and median (IQR) pain scores comparison between Perio Slim (PS) and conventional scaler tips

From: Influence of scaler tip design on root surface roughness, tooth substance loss and patients’ pain perception: an in vitro and a randomised clinical trial

Scaler tip

VAS score

Mean (SD)

Median (IQR)

p value

PS

3.5 (1.5)

3 (1)

0.003*

Conventional

4.9 (1.8)

5 (2)

 
  1. Intergroup comparison was analysed using Wilcoxon signed-rank test
  2. *Statistically significant difference (p < 0.05)