19 Questions
What is the correct angulation for scaling and root planing?
90 degrees
What is the consequence of using < 45 degrees angulation for scaling and root planing?
Increased tissue trauma
What type of stroke direction is activated in the coronal direction?
Lateral pressure
Which Gracey instrument has an increase in 'bends' as you move posteriorly?
Gracey #15-16
What is the distinguishing feature of After Five Gracey instrument?
Extra long terminal shank
When should Mini Five Gracey be used?
When a vertical stroke is needed
Which type of Gracey instrument cannot be inserted vertically as per the text?
Standard Gracey
What is a common error made during instrument sharpening?
Sharpening at an angle less than 110 degrees
What is the recommended frequency for sharpening instruments?
Frequently to prevent excessive recontouring
What is the purpose of the Gleason guide?
To create a 110-degree angle
What is a characteristic of a Sickle instrument?
It has two cutting edges
What is the result of sharpening an instrument at an angle greater than 110 degrees?
A weaker edge
What is the primary benefit of manual sharpening?
Reduced blade wear
What is the top angle of a Universal Curet?
90 degrees
How many cutting edges does a Gracey curette have?
One cutting edge
What is the best tip for keeping dental instruments sharp?
Purchasing instruments that never need sharpening
What tool features an oscillating sharpening stone to restore out-of-the-box sharpness?
Sidekick Sharpener from Hu-Friedy
Which part of the blade of a Gracey curette is located adjacent to the toe?
Lower one-third
What is the correct blade angulation for insertion according to the text?
0 degrees
Learn how to keep your instruments sharp without causing damage by utilizing manual sharpening techniques. Discover who in the office is responsible for instrument sharpening and why it's important to sharpen frequently to preserve the original contour of the blade.
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