“…Work-related musculoskeletal (MS) disorders are considered one of the most frequent occupational diseases among dental workers (Hayes, Cockrell, & Smith, 2009;Melhorn, 2000). Prior studies reported the frequency of MS disorders among dental workers, ranging from 63% to 93% (Isper Garbin, Barreto Soares, Moreira Arcieri, Saliba Garbin, & Siqueira, 2017;Nasl Saraji, Hosseini, Shahtaheri, Golbabaei, & Ghasemkhani, 2005;Rabei, Shakiba, Shahreza, & Talebzadeh, 2011). MS disorders are defined as inflammatory and degenerative diseases or disorders of muscles, ligaments, tendons, nerves, blood vessels, bones, and joints that can result in pain (Hayes et al, 2009;Melhorn, 2000).…”