Parameters Group I
(n = 31)
Group II
(n = 31)
P value
Pain intensity
(Mean difference of pain scores)
Day 1 0.52 0.62 0.55
Day 3 0.59 0.62 0.86
Day 7 0.03 0.28 0.0001a
Facial width
(Mean difference in mm)
Day 1 1 5.71 0.04a
Day 3 0 .16 4 0.0001a
Day 7 0.42 0.61 0.56
Mouth opening
(Mean difference in mm)
Day 1 -10.05 - 8.16 0.93
Day 3 -8.16 -6.8 0.82
Day 7 -5 -4.71 0.83

aStatistically significant, Independent sample t-test.