Myofascial Pain SyndromesTemporomandibular Joint Dysfunction SyndromeTrigger PointsFacial PainFacial NeuralgiaAcupuncture AnalgesiaOcclusal SplintsTemporomandibular Joint DisordersMasticatory MusclesPain MeasurementMuscle Relaxants, CentralPain ThresholdFibromyalgiaNeuromuscular AgentsPain, ReferredPain ClinicsInjections, IntramuscularPainAcupuncture TherapyFasciaNeck PainChronic PainPain ManagementManipulation, Osteopathic