Inclusion Criteria:  18-65 years old of both genders. Presence of disc displacement with reduction with/without myofascial trigger points in master muscles. Being accepted of the participation in the study.  Exclusion Criteria:  Lack of cognitive ability to understand test instructions, illiteracy, aphasia, presence of a known psychiatric illness Refusal to participate in the study Patients under the age of 18 and over the age of 65 Having other temporomandibular joint disorders other than the diagnosis of RDD and/or myofascial trigger points