It is a well-established fact that dental health care workers are more prone to work associated injuries and illness, which precipitates diminished work proficiency, risk of long-term disabilities, mental stress, psychosocial problems, abstinence from work, and related costs. Working environment for an Orthodontist differ from their counterparts working in foreign milieu. Orthodontic specialty necessitates a range of the finest movements in coordination with vision and unsupported arm work. This increases the duration of work resulting in the stress and strain to the muscles and bones causing musculoskeletal disorder. This book covers the application of ergonomics in orthodontic practice to optimize the work potential and reduce the risk of work related musculoskeletal disorders.