The goal of this clinical trial is to learn if Transcutaneous Electric Nerve Stimulation (TENS) device works to reduce discomfort during orthodontic treatment, by using orthodontic separators to mimic the discomfort of braces. The main questions it aims to answer are: * Does TENS device lower the participants level of discomfort? * Will TENS device be effective with orthodontic tooth movement? Researchers will place the separators on different sides of upper and lower first molars. TENS device will be applied on each participant on one of both teeth (according to their group), so that the results can be compared within the same person. Participants will: * Visit the clinic after 12 or 24 hours (depends on their group) * Stay on dental chair while TENS device is applied. * Rate the discomfort level on VAS scale before and after TENS device application.
Age range
20 Years – 35 Years
Sex
ALL
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Visual Analogue Scale
Timeframe: From orthodontic separators application to 12 or 24 hours depends on the participant group.