Until 1970 , only ___ ___ were allowed to perform intraoral functions in all states. correct
answers dental hygienists
Silver paste was first mentioned as a restorative material for teeth by the ___. correct answers
Chinese
The "amalgam war" was fought over ___ and ___ of silver dental amalgam. correct answers
value; safety
The ___ - ___ technique for restorative dentistry was first introduced in 1955. correct answers
acid-etch
Dr. Fredrick McKay is credited with noting dental ___ in Colorado Springs. correct answers
fluorosis
Since 2005, the American Dental Association (ADA) seal of acceptance is awarded to ___ but
not ___ products. correct answers consumer; professional
Dental materials considered devices, as well as over-the-counter products sold to the public, are
subject to control by the ___ ___ ___ ___ Center for Devices and Radiological Health. correct
answers Food and Drug Administration
___ developed the first acceptable dental amalgam formula in 1895. correct answers G.V. Black
Today's approach to dental care is called ___ dentistry. correct answers evidence-based
The earliest recorded mention of restorative dentistry occurred in ___. correct answers England
600 BC
Preventative/therapeutic, restorative, and ___ are all classifications of dental materials. correct
answers auxiliary
The normal masticatory forces on the occlusal surfaces of molar teeth can increase to as much as
___ pounds per square inch on a cusp tip. correct answers 28,000
___ force is applied when 2 surfaces slide against each other. correct answers Shearing
____ is the amount of force exerted from within an object and ___ is the amount of change that
force has produced. correct answers Stress; strain
___ occurs as a result of microscopic flaws that grow over time. correct answers Fatigue failure