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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)
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BMC Oral Health

ISSN: 1472-6831

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