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relationship between the working end of an instrument and the tooth surface being treated
adaptation
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the angle formed by the working end of an instrument with the surface to which the instrument is applied for treatment
angulation
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working end of an intsrument with special design for a particular clinical treatment
blade
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a curved, rounded dental instrument utilized for scaling, root planing, and gingival curettage
curet
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a specialized instrument designed with specific angles in the shank for adaptation to a certain group of tooth surfaces
area-specific curet
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a curet designed for used on any tooth surface where the adaptation, angulation, and other principles of instrument used can be correctly and effectively accomplished
universal curet
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the hand generally used for performing fine tasks such as writing and holding instruments for scaling
dominant hand
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for an intraoral rest, the place on a tooth or teeth where the third or ring finger of the hand holding the instrument is placed to provide stabiliation and control during activation of the instrument
finger rest
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the support upon which a lever rests while force intended to produce motion is exerted
fulcrum
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use of a dental mouth mirror to view the area of instrumentation. It is provided by the mirror.
indirect vision
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section of the tooth where treatment is indicated and instrumentation is performed
instrumentation zone
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the minimal pressure that is required of an instrument againset the tooth or soft tissue to accomplish the objective of the designated treatment
lateral pressure
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the blade of an area-specific gracey curet in which the lower shank is at a 70* angle to the face of the blade; contrasts with a universal curet blade, which is at a 90* angle with the lower shank
offset blade
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instrument desigend for initial removal of calculus and biofilm
scaler
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instrumentation of a tooth surface to remove calculus and biofilm
scaling
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the part of the instrument between the handle and the working end
shank
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the part of the shank next to the blade
lower or terminal shank
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a single unbroken movement made by an instrument against a tooth surface during an examination or treatment procedure to accomplish a particular objective; the motion made for activation of an instrument
stroke
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fine-grained sharpening stone quarried from natural mineral deposits
arkansas stone
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to smooth and polish; an effect that can result when a dull scaler or curet is passed over tenacious calculus in an attempt to remove the deposit
burnish
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the fine line formed where the face and lateral surfaces of a scaler or curet meet when the instrument is sharp; when the instrument is dull, the line has thickness and may even reflect light
cutting edge
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a sharpening stone; sharpening
hone/honing
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a sharpening stone mounted on a metal mandrel for use in a dental handpiece
rotary stone
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when a scaler or curet is sharp, the cutting edge is a fine line that does not reflect light
sharpness
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plastic 1/4-inch rod, 3 inches long, used to test the sharpness of a scaler or a curet
testing stick
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