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Clinic Lecture 1-A

Gracey Instruments

QuestionAnswer
On a universal curet the relationship of the face of the blade to the terminal shank is an angle on 90 degrees. It differs with a Gracey curet in the angle formed is at a ________ angle. 60-70
The Gracey's unique blade angulation is called? Offset
After scaling the surfaces toward you of the anterior teeth with a Gracey curet, what must you do in order to scale the surfaces away from you? change the working ends
T/F: Each working end of a Gracey curet has two cutting edges that need to be sharpened and used. False
Universal curets are as well suited for deep periodontal pockets as Graceys False
T/F: The first Gracey's were designed as "push" instruments? True
T/F: Gracey's curets are not the only area specific curets manufactured. True
Anterior teeth all surfaces Gracey 1/2
Distals of posterior teeth Gracey 13/14
Mesials of posterior teeth with more angulation of shanks for better access Gracey 15/16
Mesials of posterior teeth Gracey 11/12
Buccal and linguals of posteriors Gracey 7/8
Distals of posterior teeth with more angulation of shanks for better access Gracey 17/18
Planes of universal and gracey curets differ because? The Graceys are curved in two planes where the blade curves up and to the side where as the Universals are curved in one plane and curves up but not to the side
The gracey cutting edge is? larger outer cutting edge
An important visual cue when instrumenting with a gracey curet is? keeping the blade perpendicular
Gracey is the name given to the series of instruments designed by? Dr. Clayton H. Gracey
T/F: Graceys can be used on any patient because of their excellent adaptability? True
T/F: Graceys should be retipped in order to make them more balanced? False
T/F: If you position the lower shank parallel with the tooth surface it's offset blade will automatically provide a perfect working angulation? True
Created by: daisenmurray