Effect of Low-Level Laser Therapy on Relapse of Rotated Teeth: A Systematic Review of Human and Animal Study.

Low-level laser therapy (LLLT) has been used to reduce the relapse of orthodontically rotated teeth. However, controversial conclusions have been drawn by different authors. This review aimed to evaluate the efficacy of LLLT on relapse of corrected tooth rotations systematically by overall search of available studies and scientific assessment.