1. Academy of General Dentistry www.agd.org.
2. Ahearn D.J.(2005)The eight keys to selecting great seating for long‐term health.Dentistry Today September 1. Retrieved August 23 2021 fromhttp://www.dentistrytoday.com/ergonomics/1115‐‐sp‐1633235012.
3. American Dental Association www.ada.org.
4. Occupational Ergonomics