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OH3-princi+sharpen.
instrument design, prinicples and sharpening
| Question | Answer |
|---|---|
| what instruments are used for scaling | sickles, curettes, files, hoes, chisels, power instruments |
| what instruments are used for examination | mirrors, explorers, probes |
| define design name | name of inventor/academic institution which designed instrument |
| define design number | indicates specific instrument w/in series |
| advanced fulcrum advantages | enhance access to tx area, improve instrument to tooth angulation, increase power because wide range of motion |
| advanced fulcrum disadvantages | lack of stability and control, possible pt/operator injury |
| cross arch fulcrum | same arch, opposite quadrant |
| opposite arch fulcrum | ..self explanatory |
| finger on finger | fulcrum finger on finger on non dominant hand, same arch |
| extraoral fulcrum | ..self explanatory |
| finger assist fulcrum | index finger of non dominant hand to increase lateral pressure on shank of instrument |
| exploratory activation | light and long THATS WHAT SHE SAID |
| root planing activation | not as firm and longer to smooth root surface after scaling |
| working activation | firm, short, controlled -remove calculus: channel or zone scaling -avoid burnishing deposits |
| 3 goals of instrument sharpening | create functionally sharp edge, preserve the shape/contour of instrument, maintain useful life of instrument |
| 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 |
| when should you sharpen your instruments | sharpen at first sign of dullness |
| 3 pieces of equipment to sharpen instruments on | mechanical, mounted, hand held |
| what's a mechanical sharpening device | (i think i messed up this question..) honing machine, battery operated device, Sidekick |
| what is a (Mandre) mounted stone | used with hand piece, diameter appropriate for curved blade |
| what are the 4 different types of hand held stones | arkansas, india, ceramic, composition |
| what stones are synthetic | india, ceramic, compotition arkansas is natural) |
| what stones are fine grit | arkansas, ceramic (india is med., composition is coarse) |
| what lubrication is used for each of the 4 stones | arkansas-oil india-water/oil ceramic-water/dry composition-water |
| what do you sharpen a periodontal file with | a Tang (i just pictured an orangutan) |
| why shouldn't you use overly thin (from sharpening) instruments | they break easily during scaling/treatment |
| what are the 3 ways to sterilize stainless steel instruments | steam, chemical vapor, dry heat sterilized |
| can carbon steel instruments be steam sterilized | NO..MOFO |
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100000001783325
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