There is scarcity in the literature regrading the effect of Low Level Laser Therapy (LLLT) on the rate of en-masse retraction. This study aims to investigate whether LLLT would affect the rate of en-masse retraction in females having bimaxillary dento-alveolar protrusion.
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Rate of en-masse retraction
Timeframe: From date of first premolars' extraction until the date of anterior teeth retraction, assessed up to an average of 1 year