CH35
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| A(n) _______________ handpiece provides mechanical energy that creates water and sound vibrations. | ultrasonic
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| A(n) _______________ bur is rigid and stronger than a steel bur and remains sharper for longer periods. | tungsten carbide
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| _______________ is an advantage of a diamond bur. | Cutting ability
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| A _______________ bur is designed with no retention grooves in the shank end to lock it into the handpiece. | friction grip
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| On the high-speed handpiece, the _______________ helps illuminate the working field. | fiber-optic light
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| The _______________ handpiece uses a beam of light to cauterize soft tissue or to vaporize decayed tooth structure. | laser
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| A finishing bur is commonly used for what type of restorative material? | Composite resin/esthetic materials
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| A(n) _______________ is a freestanding cabinet that is used to hold something. | console
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| The _______________ bur has a shank with a small groove at the end that mechanically locks into a contra-angle attachment. | latch-type
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| The narrow portion of the bur that fits into the handpiece is called a(n) _______________. | shank
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| The _______________ or grooves in the cutting portion of a bur resemble pleats. | flutes
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| Sandpaper discs are mounted onto a _______________. | mandrel
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| The low-speed handpiece would be equipped with a ___________ to hold a sandpaper disc. | Mandrel
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| How did the first handpiece operate? | Driven by a belt
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| A(n) _______________ instrument is defined as a part or device that rotates around an axis. | rotary
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| What type of handpiece resembles a sandblaster? | Air abrasion
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| The twisting or turning of the internal components of a handpiece is referred to as _______________. | torque
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| The high-speed handpiece has a(n) _______________ lighting system to shed light on the tooth during use. | fiber-optic
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| What design of bur is a 33½? | Inverted cone
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| Restorative burs are commonly manufactured from what material? | Tungsten carbide
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| What is the most versatile handpiece in dentistry? | Low-speed
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| During cavity preparation, how does the high-speed handpiece keep the tooth at a proper temperature and free of debris? | Water coolant
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| A bur is held in place in the high-speed handpiece with a _______________. | friction grip
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| What attachment on the low-speed handpiece is used to hold a latch-type bur? | Contra-angle
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| How fast does the high-speed handpiece rotate? | 450,000 rpm
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| A _______________ shank bur fits into the lab handpiece. | long
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| What design of bur is a 330? | round
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| What design of bur can be a 1/4, 1/2, 1-8 or 10? | round
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| How fast does the low-speed handpiece rotate? | 10,000-40,000 rpm
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