It is imperative that clinicians have a strong working understanding of
masticatory system dynamics. Differential diagnosis through the
screening of muscles, joints, and dental occlusion will clarify the
presence of signs and symptoms of dysfunction. There are different types
of occlusal appliances, each one has its special design, indication and
precautions that should be followed so that clinician strongly advised
to thoroughly understand the masticatory system dynamics and perform a
comprehensive examination to the TMJ and its related structures to be
able to choose correct perfectly with fewer complication.