1
Q
Advantages of a Sharp instrument
A
- improved calculus removal
- improved stroke control
- reduced stroke number
- less clinician fatigue
- increase tactile sensitivity
- prevent tissue trauma
- increase patient comfort
- reduce nicking, grooving, or scratching
2
Q
Visual Test
A
sharp edge –> no light reflection
dull edge –> surface reflects light
3
Q
Equipment/Materials
A
- gloves, mask, safety glasses
- sterile gloves
- sterile sharpening stone (rectangular, cylindrical)
- lubricant: oil, water
- sterile plastic stick test
4
Q
Natural Abrasive Stone
A
Arkansas Stone: oil, fine
5
Q
Artificial Stones
A
Ceramic Stone: water, fine
India Stone: water, medium
Composition Stone: water, coarse
6
Q
When to sharpen..?
A
- at first sign of dullness
- after autoclaving
- if during treatment, maintain infection control
7
Q
Sickles & Universal Curets
A
- toe/tip towards you
- terminal shank at 12:00
- stone at 1:00
- to sharpen opposite edge, turn toe/tip away
8
Q
Asess Sharpness of Sickles & Universal Curets
A
- top of stick at 12:00
- terminal shank at 1:00
9
Q
Gracey Curets
A
- odd blade towards you
- even blade away from you
- terminal shank at 11:00
- stone at 1:00
10
Q
Assess Sharpness of Gracey Curets
A
-same as sickles EXCEPT terminal shank is parallel to test stick
11
Q
Rounding Curet Toe
A
- toe at 3:00
- stone at 2:00
- move stone up & down, rotating the stone around the toe
12
Q
Remove Wire Burs
A
-sickles & universals at 12:00
-graceys
ODD at 11:00
EVEN at 1:00
-cylindrical stone on face at 3:00-9:00
-roll from heel to toe
