Chapter 38 Instrument Care and Sharpening Learning Objectives Describe benefits of using sharp instruments Describe consequences of using dull instruments Demonstrate technique for sharpening procedures Explain how to preserve optimal
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Presentation Transcript
01
Chapter 38 Instrument Care and Sharpening<br>
02
Learning Objectives Describe benefits of using sharp instruments
Describe consequences of using dull instruments
Demonstrate technique for sharpening procedures
Explain how to preserve optimal instrument design when sharpening 2<br>
03
Instrument Sharpening Benefits from Use of Sharp Manual Instruments
Consequences of Using Dull Manual Instruments 3<br>
04
Instrument Sharpening con’t Dynamics of Sharpening
Cutting Edge
Sharpening Stone Surface
Types of Sharpening Devices
Stones
Power-Driven or Mechanical Sharpening Devices 4<br>
05
Figure 38-1 Selection of Cutting Edge to Sharpen 5<br>
06
Figure 38-2 Cross Section of a Dull Curet 6<br>
07
Basic Sharpening Principles Sterilization of the Sharpening Stone
Instrument Handling
Preparation of Stone for Sharpening
Dry Stone
Water on Stone
Lubricated Stone 7<br>
08
Basic Sharpening Principles con’t Sharpening Overview
Objectives
When to Sharpen
Angulation
Maintain Control
Care of Sharpening Stone 8<br>
09
Basic Sharpening Principles con’t Tests for Instrument Sharpness
Visual or Glare Test
Plastic Testing Stick
Confirming Sharpness Using the Plastic Testing Stick
Evaluation of Technique 9<br>
10
Figure 38-4 Plastic Testing Stick 10<br>
11
Basic Sharpening Principles con’t After Sharpening
Finishing the Instrument
How the Wire Edge is Produced
Removal of Wire Edge
Instrument Wear 11<br>
12
Figure 38-5 Wire Edge After Sharpening 12<br>
13
Sharpening Curets and Scalers Technique Objectives
Selection of Cutting Edges to Sharpen
Scalers/Sickles
Curets: Universal
Curets: Area Specific 13<br>
14
Moving Flat Stone: Stationary Instrument Examine the Cutting Edge to Be Sharpened
Review the Angulation to Be Restored at the Dull Cutting Edge
Stabilize and Position the Instrument 14<br>
15
Figure 38-6 Angulation for Sharpening 15<br>
16
Moving Flat Stone: Stationary Instrument con’t Apply the Sharpening Stone
Activate the Sharpening Stone
Steps One and Two
Step Three: The Toe of a Curet
Test for Sharpness 16<br>
17
Figure 38-7 Stationary Instrument—Moving Stone Technique 17<br>
Sharpening the File Scaler Surface to Be Ground
Sharpening Procedure 19<br>
20
Figure 38-11 Sharpening a File Scaler 20<br>
21
Care of Sharpening Equipment Flat Sharpening Stone
Prepare for Sterilization
Stain Removal
Storage
Care of the Tanged File
Manufacturer’s Directions 21<br>
22
Documentation Note burnished calculus 22<br>
23
Factors to Teach the Patient Benefits of using finely sharpened instrument for calculus removal
Harmful effects of using dull instruments 23<br>