In Part I of this article (see related link), two aspects of the ergonomics of dental equipment design were discussed: the need to enable operators to perform dental procedures without compromising their preferred posture and the need to operate at a specific point in space where they feel they have the best control of their fingers. To provide optimal ergonomic conditions, repositioning and avoiding objects should be kept to a minimum while operating. Determined through masked-eye testing using the proprioceptive senses of the body, these conditions are used to derive the most ergonomic design of dental equipment and instruments.
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