instrument design, prinicples and sharpening
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| what instruments are used for scaling | sickles, curettes, files, hoes, chisels, power instruments
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| what instruments are used for examination | mirrors, explorers, probes
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| define design name | name of inventor/academic institution which designed instrument
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| define design number | indicates specific instrument w/in series
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| advanced fulcrum advantages | enhance access to tx area, improve instrument to tooth angulation, increase power because wide range of motion
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| advanced fulcrum disadvantages | lack of stability and control, possible pt/operator injury
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| cross arch fulcrum | same arch, opposite quadrant
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| opposite arch fulcrum | ..self explanatory
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| finger on finger | fulcrum finger on finger on non dominant hand, same arch
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| extraoral fulcrum | ..self explanatory
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| finger assist fulcrum | index finger of non dominant hand to increase lateral pressure on shank of instrument
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| exploratory activation | light and long
THATS WHAT SHE SAID
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| root planing activation | not as firm and longer to smooth root surface after scaling
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| working activation | firm, short, controlled
-remove calculus: channel or zone scaling
-avoid burnishing deposits
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| 3 goals of instrument sharpening | create functionally sharp edge, preserve the shape/contour of instrument, maintain useful life of instrument
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| advantages of instrument sharpening | improve tactile senses, increase efficiency of deposit removal, decrease pressure for deposit removal, increase instrument control, decrease root gouging, decrease burnished calculus, decrease patient discomfort
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| when should you sharpen your instruments | sharpen at first sign of dullness
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| 3 pieces of equipment to sharpen instruments on | mechanical, mounted, hand held
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| what's a mechanical sharpening device | (i think i messed up this question..)
honing machine, battery operated device, Sidekick
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| what is a (Mandre) mounted stone | used with hand piece, diameter appropriate for curved blade
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| what are the 4 different types of hand held stones | arkansas, india, ceramic, composition
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| what stones are synthetic | india, ceramic, compotition
arkansas is natural)
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| what stones are fine grit | arkansas, ceramic
(india is med., composition is coarse)
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| what lubrication is used for each of the 4 stones | arkansas-oil
india-water/oil
ceramic-water/dry
composition-water
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| what do you sharpen a periodontal file with | a Tang
(i just pictured an orangutan)
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| why shouldn't you use overly thin (from sharpening) instruments | they break easily during scaling/treatment
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| what are the 3 ways to sterilize stainless steel instruments | steam, chemical vapor, dry heat sterilized
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| can carbon steel instruments be steam sterilized | NO..MOFO
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