Bruxism is a common phenomenon involving repetitive activation of the masticatory muscles.
Muscle-stretching exercises are a recommended part of several international guidelines for
musculoskeletal disorders and may be effective in management of the jaw muscle activity that
gives rise to bruxism. However, most studies of muscle-stretching exercises have mainly focused
on their influence on performance (eg, range of motion, coordination, and muscle strength) of the
limb or trunk muscles of healthy individuals or individuals with sports-related injuries. Very few have
investigated stretching of the human masticatory muscles and none muscle-stretching exercises
in the management of (sleep) bruxism. This article reviews the literature on muscle-stretching
exercises and their potential role in the management of sleep bruxism or its consequences
in the musculoskeletal system.