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10 Cards in this Set
- Front
- Back
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What is the definition of the term Mandrel? |
A metal shaft on which a sandpaper disc or abrasive material is mounted |
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When were rotary instruments introduced to dentistry? |
1940s |
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Which hand piece is considered the most versatile handpiece used in dentistry? |
Low speed handpiece |
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The low speed handpiece is available in speed ranging from 10,000 RPM to: |
30,000 RPM |
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Which handpiece is used by the dentist in every Restorative procedure? |
High speed handpiece |
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How many rpm can the high-speed handpiece reach? |
450,000 RPM |
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What mechanism is used to hold the bur in a high-speed handpiece? |
Friction grip |
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Which hand piece uses mechanical radiant energy of water and sound vibrations to create a pulsating effect on the tooth surface? |
Ultrasonic handpiece |
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Which hand piece uses a beam of light to cauterize soft tissue or vaporize decayed tooth structure? |
Laser handpiece |
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Because it comes into contact with blood, saliva, and tissue and must be sterilized before reuse, they dental handpiece is identified as a |
Critical instrument |
