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Table 2 Evaluation of VAS, swelling, and interincisal opening

From: Evaluation of the effects of the low-level laser therapy on swelling, pain, and trismus after removal of impacted lower third molar

   Laser group Control group  
   Mean ± SD Mean ± SD p
Edema 2ndday 24,1 ± 16,2 21,1 ± 12,9 0,618
  7thday 3,6 ± 3,9 5,6 ± 7,8 0,485
  p 0,002 0,002  
VAS 2ndday 4,8 ± 1,9 5,4 ± 1,7 0,440
  7thday 1,3 ± 1,2 2,7 ± 1,2 0,017
  p <0,001 0,001  
Mouth opening 0 day 45,5 ± 4,1 43,2 ± 5,5 0,250
  2ndday 26,3 ± 4,7 25,0 ± 3,3 0,430
  7thday 39,0 ± 5,2 36,0 ± 4,1 0,129
  p p < 0,001 p <0,001  
  1. Bold characters in each column represent the differences between the measurement periods