The purpose of this study is to test if the translated Arabic version of the (jaw functional limitation scale -8) JFLS\_8 , valid (face, content, feasibility) ,reliable (internal consistency, test retest) and culturally adapted enough to quantify the impact of temporomandibular joint (TMJ) disorders on jow function in arabic people or not?
Patients aged 18 to 65 years .
Diagnosis of temporomandibular disorders ) jaw pain-popping sounds in the jaw -limited jaw movements - orofacial pain ) for one month at least, not receiving actual treatment for the orofacial region (splinting)
Being conscious and oriented.
Able to read and write in Arabic.
History of trauma (recent head or neck or TMJ severe trauma)
Recent surgery at the neck, head or TMJ
Diagnosed systemic and psychiatric diseases; diseases that may affect the TMJ, such as ankylosing spondylitis or rheumatoid arthritis; and pregnancy