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Table 1 Mean percent pain scores on visual analogue scale (VAS) with estimates ANOVA with repeated measures (RM)

From: The effect of a lidocaine/prilocaine topical anesthetic on pain and discomfort associated with orthodontic elastomeric separator placement

Duration (minutes)

Number

Mean ± SD (TA)

Mean ± SD (Placebo)

Estimated grand mean (95% CI)

p value (ANOVA RM)

2

50

11.53 ± 11.27

20.91±20.74

16.22 (12.91–19.53)

 

4

50

4.52 ± 7.40

14.99±13.23

9.76 (7.63–11.88)

F = 40.7

6

50

2.65 ± 6.10

11.79±11.13

7.22 (5.44–9.00)

(p = 0.001)

8

50

0.80 ± 2.79

8.90 ± 9.37

4.85 (3.48–6.22)

 

10

50

0.30 ± 0.95

7.27±10.12

3.78 (2.36–5.12)