Operating Stools Were First Introduced to Dentistry

question 39

Multiple Choice

Operating stools were first introduced to dentistry:

• A) By Maria Schitonstool in 1749
• B) By Alfred Fones when he taught dental hygiene to Irene Newman
• C) By G. V. Black; it was one of his many inventions
• D) When four-handed dentistry was introduced in the 1960s

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Definitions:

Productivity

The efficiency of production of goods or services, expressed as the ratio of output to inputs used in the production process.

MRP Curve

A graphical representation showing the additional revenue a firm generates by hiring one more unit of labor, based on the concept of marginal revenue product.

Marginal Physical Product

The change in output that results from employing an additional unit of a particular input, holding all other inputs constant.

MRP Schedule

A schedule showing the marginal revenue product of an input, representing the additional revenue generated from the use of one more unit of that input.