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Table 2 Tooth substance loss (µm) at upper and lower reference points before and after scaling with PS or conventional scaler tips in teeth with initial thickness of < 1000 µm

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

Reference point

Scaler tip

Mean µm (SD)

Mean difference (SD)

p value

p value

Before

After

UR

PS (n = 9)

790.9 (130)

778.7 (130)

12.2 (8)

0.002*

0.038*

C (n = 8)

745.0 (197)

724.8 (212)

20.2 (25)

0.058

 

LR

PS (n = 9)

811.9 (179)

796.0 (178)

16.0 (13)

0.007*

0.0375*

C (n = 8)

802.4 (269)

780.5 (280)

21.9 (16)

0.007*

 
  1. Intragroup comparison was analysed with paired t test. Intergroup comparison for UR and LR was analysed with independent sample t test. UR for upper reference point, and LR for lower reference point
  2. C conventional, PS Perio Slim
  3. *Statistically significant different (p < 0.05)
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BMC Oral Health

ISSN: 1472-6831

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