| A | B |
|---|
| design of the frictioning grip bur | no retention grooves in the shank end |
| laser handpiece | uses a beam of light to cauterize soft tissue or to vaporize decayed tooth structure |
| rotary instrument | part or device that rotates around and axis |
| flutes | grooves in the cutting portion of the bur resemble pleats |
| console | free standing cabinet |
| shank | narrow end of the hand piece that fits into the hand piece |
| tungsten carbide bur | restorative burs made from this; rigid and stronger than steel and remains sharper for longer periods of time |
| latch type bur | has a shank with a small groove at the end that mechanically locks into a contra-angle attachment |
| as a fiberoptic light provides light on the tooth during use | high-speed handpiece |
| ultrasonic handpiece | provides mechanical energy that creates water and sound vibrations |
| torque | twisting and turning of internal components of a handpiece |
| sandpaper discs are mounted on the | mandrel |
| furst handpiece was driven by | a belt |
| low speed | most versatile hand piece in dentistry |
| what speed does the low speed hand piece rotate | 30,000 RPM |
| what attachment on the low speed hand piece is used to hold a latch-type bur | contra-angle |
| how fast does a high speed hand piece rotate | 450,000 RPM |
| during cavity preparation how does the high speed hand piece keep the tooth at the proper temperature | water coolant |
| a bur is held in place in the high speed hand piece with a | friction grip |
| what type of hand piece resembles a sandblaster | air abrasion |
| what type of bur is a 33 1/2 | inverted cone |
| this in an advantage when a diamond bur is used | cutting ability |
| finishing bur commonly used for what restorative material | composite resin |
| what is used t hold the disc in the low-speed hand piece | contra-angle attachment |
