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These flashcards cover key concepts related to instrument care and sharpening, necessary for effective periodontal practice.
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Instrument Sharpening
The technique of refining the cutting edge of instruments to enhance their effectiveness in periodontal debridement.
Sharp Instruments
Instruments with a fine cutting edge that efficiently remove deposits during periodontal care.
Dull Instruments
Instruments with worn cutting edges that slide over deposits and may burnish them instead of cutting.
Visual Detection of Sharpness
Evaluation method where a sharp cutting edge does not reflect light, while a dull edge appears rounded and reflects light.
Tactile Evaluation of Sharpness
Assessment by feeling whether a sharp edge grabs the surface of a test stick, unlike a dull edge which slides.
Internal Angle
The angle formed between the face and lateral surface of instruments, ideally between 70-80 degrees.
Goals of Sharpening
To achieve a sharp edge, preserve the instrument design, and conserve the blade.
Perio Retriever
A double-ended, highly magnetized instrument designed for retrieving broken instrument tips from periodontal pockets.
Managing a Broken Working-End
Procedure to follow when a tip breaks, including remaining calm, informing the patient, and attempting retrieval.
Sharpening Technique Steps
Specific steps for sharpening instruments including lubricating the stone and maintaining the correct angle during sharpening.