Chapter 35 Dental Handpieces

What handpiece operates from air pressure and reaches speeds up to 450,000 rpm.

• Low Speed Handpiece
• High Speed Handpiece
• Contra Angle Handpiece
• Air Abrasion Handpiece

Metal shaft on which a sandpaper disk or other abrasive materials are mounted. 

• Console
• Shank
• Contra Angle
• Mandrel

What type of bur locking system is one the high-speed handpiece?

• Long Straight Lab
• Friction Grip 
• Latch-type

The dental handpiece is identified as a/an _____ instrument.

• Noncritical

• Semicritical

• Critical

You can never put too much lubricant in a dental handpiece.

• True
• False

Dental handpieces were first introduced to dentistry in the 19___'s.

• 1930's
• 1940's
• 1950's
• 1960's

What type of handpiece resembles a sandblaster?

• Ultrassonic Handpiece
• Slow Speed Handpiece
• Air Abrasion "Prophy Jet"
• Contra Angle Handpiece

What type of low-speed handpiece attachment is commonly used in the dental laboratory for procedures or trimming? 

• Straight Attachment 
• Contra Angle
• Prophy Angle
• Ultrasonice Handpiece

What protects a tooth's pulp (nerve) from frictional heat damage?

• Anesthetic
• Topical Ointment
• Oil (lubricant)
• Water spray

What handpiece uses a beam of light to cauterize soft tissue or vaporize decayed tooth structure?

• Slow Speed Handpiece
• Dental Laser Handpiece
• HighSpeed Handpiece
• Dental Light Saber