Busy. Please wait.
Log in with Clever

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever

Username is available taken
show password

Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Didn't know it?
click below
Knew it?
click below
Don't Know
Remaining cards (0)
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Clinic Lecture

Instrument Sharpening

What are the advantages of sharp instruments? 1. easier calculus removal 2. improved stroke control 3. reduced number of strokes 4. increased pt. comfort 5. reduced fatigue for the clinician
What is the goal of sharpening? restoring a fine sharp cutting edge
What defines a sharp cutting edge? a fine line formed where the face and lateral surface meet
What defines a dull cutting edge? when metal is worn away from the cutting edge until the face and lateral surface meet at a rounded surface
What three components belong to sharp cutting edges? 1. a line 2. length 3. width
The cutting edge is formed by what? junction of the instrument face and lateral surface
What is the internal angle on a universal curet or a sickle scaler? 70-80 degrees
Dull cutting edge is what? rounded surface
What are the visual detections of detecting a dull cutting edge? will reflect light
What are the tactile evaluations performed on an instrument to detect dull or sharpness? sharp will grab or scratch the surface of the sharpening stick and a dull one will just slide over the surface
Where should the instruments face be positioned for correct technique? parallel to the counter top "avoid spilling the water"
Where will the lower shank be when the face is parallel to the counter top? perpendicular to the desk top
What are the three cutting edge sections divided into? 1. toe 2. middle 3. heel
In what order should the three cutting edges be sharpened? 1. heel-third 2. middle-third 3. toe-third
To sharpen the cutting edge in sections, what must be done with the stone? rotated
What is the step by step technique? 1. grab the instrument 2. position the instrument 3. grab the stone 4. position the stone 5. technique check 6. sharpen- heel third 7. sharpen middle -third 8. sharpen toe- third 9. sharpen the curet toe 10. evaluate sharpness
What method creates a strong working end? removing metal from the lateral surfaces
Created by: daisenmurray
Popular Dentistry sets




Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
restart all cards