Inclusion Criteria:  Participants age between 18-65 Symmetrical chewing function, fluent mouth and tongue movements  Exclusion Criteria:  Participants with systemic, cardiorespiratuar, central nerve system and romatologic diseases or musculoskeletal pain or craniocervical pathology A history of orofacial pain or temporomandibular diseases. Over-reacting for touching or tooth-pain Pregnancy or possibility of pregnancy