Uses of Burs
Bur Types/Parts
10 Questions
Accessory Attachments
Bonus
100
What bur makes bevels in crown preparations?
What is flame-shaped diamond bur
100
What are the parts of a bur?
What is neck, head, and shank
100
What does the pre-fix "hydro" mean?
What is water
100
What type of accessories are supplied seperately and are not attached to a shank?
What is abrasive disks and wheels
100
Name 3 acrylic laboratory burs.
What is flame, pear, round, cone, egg, taper.
200
What bur is used for initial entry into tooth structure and extends preparation?
What is the Pear Bur
200
What part of the rotary instrument is the narrow portion that connects the shank and the head?
What is the neck
200
Which type of impression tray covers half the arch?
What is a quadrant tray.
200
What do you attach disks and wheels to?
What is Mandrel
200
What type of shank fits into the contra-angle attachment?
What is latch-type.
300
What bur helps in forming the internal walls of the preperation?
What is the straight fissure cross-cut bur
300
What part of the rotary instrument is the cutting, polishing, or finishing portion?
What is the head
300
Is an impression a negative or positive reproduction?
What is negative
300
What burs have a longer shank and a larger head than dental burs?
What is laboratory burs
300
What decreases the cutting efficiency of a diamond bur?
What is debonding of diamond particles from repeated use and sterilization.
400
What bur is used for initial entry into tooth structure, extends preperation, retention, and removes decay?
What is the round bur
400
What is the portion of the bur that fits into the hanpiece?
What is the shank
400
What dental materials are used to make dental models?
What are gypsum products
400
What type of handpiece are laboratory burs used in?
What is low speed handpiece
400
What are the 2 types of mandrels?
What is snap on and screw type.
500
What bur is used for crown preperations?
What is the flat-end taper bur
500
Name the 3 types of shanks.
What is long straight, friction grip, and latch type.
500
What piece of dental equipment is used to grind away plaster or stone?
What is a model trimmer
500
What is the most commonly used bur in the laboratory?
What is the acrylic bur
500
What bur would you use for polishing a composite restoration?
What is a finishing bur.
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