This study aimed to determine the difference between the effect of laser and electromagnetic field on facial nerve regeneration. Thirty patients of both sexes with Bell's palsy were included in this study. The patients were assessed by nerve conduction study (percentage of degeneration) and house brackmann functional grading scale. The amplitude was recorded from frontalis muscle at affected and unaffected sides. Moreover, the patients were assessed by functional grading scale (house brackmann grading scale) and percentage of degeneration. These assessments f were measured two times, firstly...