Emphasis on modifying motion economy should be given to eliminating Class IV or V motions.
Motion economy should be the primary consideration when purchasing and positioning dental equipment since this concept reduces or eliminates the number and length of motions used during basic treatment procedures. To improve motion economy at chair side, consider the following suggestions:
12. Minimize the number of eye movements between the close and brightly lit operating field and more distant objects in the treatment room with lower illumination.
13. Reduce the length and number of motions made by the operator and the dental assistant to accomplish routine and repetitive tasks.
14. Use smooth continuous motions and avoid distracting zigzag movement.