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20 Cards in this Set
- Front
- Back
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Paired working ends
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exact mirror images of each other!
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Unpaired working ends
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dont hae the mirror images of each other.
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design name
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identifies the school or individual originally responsible for the design or development of an instrument or group of instruments
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design number
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a number designation that when combined with the design name provides an exact identification of the working end
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knurling
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Another word for texture, example the grip on a tool
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balanced instrument
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a periodontal instrument that has working, ends that are aligned with the long axis of the handle
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simple shank
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a shank that is bent in one plane (front-back)
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complex shank
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a shank that is bent in two planes (front-back-side-side) to facilitate instrumentation of posterior teeth
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Rigid shank
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an instrument shank that is larger in diameter and thus will withstand the pressure needed to remove heavy calculus deposits
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Flexible shank
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an instrument that is thinner in diameter
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visual information
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is of limited use when working subgingivally beacuse the clinician cannot see the working end hidden beneath the gingival margin
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tactile information
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his or her sense of touch- to locate the calculus deposits hidden beneath the gingival margin
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tactile sensitivity
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the clinicians ability to feel vibrations transmitted from the instrument working end with his or her fingers as they rest on the shank and handle
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functional shank
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the portion of the shank that allows the working end to be adapted to the tooth surface
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lower shank
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the portion of the functional shank nearest to the working end
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periodontal probe
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is slender assessment instrument used to evaluate the health of the periodontal tissues
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explorer
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is an assessment instrument used to locate calculate desposits, tooth surface irregularities and carious lesions.
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sickle scaler
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a periodontal instrument used to remove calculus deposits from the crowns of teeth
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curet
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periodontal instrument used to remove calculus deposits from the crowns and roots of the teeth.
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periodontal file
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is an instrument used to crush large calculus deposits.
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