“…The average reduction found was 0.6ºC of muscle temperature, when comparing GI with GII, during the second consultation. It is important to emphasize that in both groups the clinical data were obtained from the validated questionnaire, RDC/TMD (Research diagnostic criteria for temporomandibular disorders), in this study, they corroborate the clinical results favorable to the reduction of pain and contracture in the face of heat reduction therapies place 1,7,8 Since thermotherapy is contraindicated in cases of acute inflammatory and hemorrhagic processes 8,20,21 , and cold contains the evolution of the inflammatory process, a systemic drug with anti-inflammatory properties, of muscular action, and especially in cases of contractures and muscular excessive effort, represents a viable therapeutic possibility in the treatment and prevention of these conditions 13,14,15,16,17,18,19 .…”