Dental Burs and Their Uses
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These flashcards cover the different types of dental burs, their series numbers, shapes, and uses as discussed in the lecture.
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21 Terms
What is the purpose of a Round bur (6)?
It opens a prep and removes decay.
What series of numbers corresponds to the Pear bur?
330 (330-332) is the series of numbers for Pear bur.
How does a Long Pear bur differ from a regular Pear bur?
The Long Pear bur (332L) is larger and is used for deeper cavities.
What is the use of an Inverted Cone bur (34)?
It cuts retention grooves in a cavity prep.
What does the Flame bur (7901) do?
It polishes or finishes amalgam or composite.
What is the series of numbers for the Football bur?
7404 (7404-7406) is the series of numbers for the Football bur.
What is the main function of a Wheel bur (16)?
It removes the incisal edge of a crown prep.
Describe the Taper bur (7206).
It reduces tooth structure or polishes with fine grit.
What is the use of an Amalgam prep bur (245)?
It opens a prep and forms internal walls of a cavity prep.
What is the series of numbers for the Flat end, straight fissure, cross cut bur?
557 (556-560, 567L, 568L) is the series of numbers for this bur.
What characteristic feature does the Round end, straight fissure, plain cut bur have?
It has round ends and straight sides.
How is the Flat end, tapered fissure, plain cut bur (171) used in cavity preparations?
It creates angled walls of retention grooves.
What does the Flat end, tapered fissure, cross cut bur (701) do?
It cuts sides of tooth for a crown prep.
What is unique about the Acrylic bur?
It trims acrylic on dentures and retainers, used outside the mouth.
What is the function of a Mandrel (snap-on type)?
It holds sandpaper discs.
Describe the Sandpaper disc.
It polishes composite and attaches to a mandrel.
What is the Jo Dandy/Separating disc used for?
It cuts through a bridge.
What is the use of a Rubber point?
It polishes or finishes amalgam, composite, or gold.
What identifies the Polishing cup?
It polishes composite and is made from cuttlebone.
What material is the head of the Sandpaper disc made from?
It is made from sandpaper.
What type of shank does the Rubber point vary with?
The shank type of the Rubber point varies.
Note 
Flashcards (39)