clinic theory II sharpening jeopardy

what are the two main types of sharpening stones

natural and synthetic stones

which type of stone removed metal faster; fine or coarse

• coarse

Which sharpening tool is usually more expensive than traditional stones?

diamond sharpening card

Why are fine stones recommended for beginners?

they remove less metal and are easier to control

what are the two main sharpening methods

manual and mechanical sharpening

which manual sharpening technique is recommended for sickle scalers

• move the instrument over the stone

Which technique is recommended for sharpening curets?

move the stone over the instrument

what devices may manufacturers provide for mechanical sharpening

• battery-operated sharpening devices

how many cutting edges does a sickle scaler have

• two

which surfaces of a universal curette are sharpened?

• both

  • the lateral surfaces and face

which end of a gracey curet is sharpened

the lower/longer working end

when sharpening a sickle scaler, which three areas of the blade are sharpened

heel, middle, and tip third

what lighting should be used when visually inspecting instrument sharpness

• strong dental light

what tool is used in the tactile test for sharpness

• hard plastic test stick

Which sense allows an experienced clinician to recognize dull instruments by sound?

• auditory (hearing)

what should a sharp instrument do when tested on a plastic stick

• engage or “bite” into the stick

what is the first thing you should do if an instrument tip breaks in a patients mouth

• inform the patient

what should the patient do to help recover the broken tip

• expectorate (spit) into a cup

after retrieving the broken tip, what must the clinician do

• document the incident

what is the best prevention for instrument tip breakage

• discard worn instruments that have become too thin

why is maintaining a sharp instrument important in dental hygiene practice

• improves efficiency

• reduces clinician fatigue

• improves patient comfort

• improves instrument control