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Table 2 Pell and Gregory classification

From: Does low dose of etoricoxib play pre-emptive analgesic effect in third molar surgery? A randomized clinical trial

 

2B

2C

χ2

p value

Placebo (n = 29)

18

11

0.284

0.790

Etoricoxib (n = 29)

16

13

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BMC Oral Health

ISSN: 1472-6831

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