1. PowerPoint® Presentation for Chairside Dental Assisting with Labs
Module:
Dental Instruments
Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED.

2. Module: Dental Instruments
Part A: Hand Instruments
Part B: Rotary Instruments
Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED.

3. Module: Dental Instruments
Learning Objectives
1. Define the Key Terms.
2. Identify the parts of hand instruments.
3. Identify the categories and functions of
dental burs.
4. Describe handpieces and their
attachments.
5. Discuss discs, mandrels, and finishing
burs.
Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED.

4. Module: Dental Instruments
Learning Objectives
6. Discuss handpiece lubrication.
7. Demonstrate connecting straight
attachments and contra-angles.
8. Demonstrate placing and removing burs
from attachments.
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5. Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED.
Key Terms
Abrasives
Air abrasion
Bevel
Binangle
Black’s formula
Blade
Burs
Chuck
Contra-angle
Cutting edge
Fiber optic light sources
Frictional heat
High-speed handpieces
Low-speed handpieces
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6. Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED.
Key Terms
Mandrels
Manufacturer’s number
Monangle
Non-cutting
Revolutions per minute (rpm)
Rotary instruments
Shaft
Working end
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7. Part A: Hand Instruments
Basic Set-up
Cutting
Restorative
Spatulas
Instrument
Design
Burnishers
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8. Dental Instrument Design
Working
ends
Manufacturer’s
number
Handle
Instrument
design
Black’s
formula
Shank
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9. Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED.
Basic Set-up
Mouth mirror
Indirect vision
Reflect light
Retract tissues
Explorer
Cotton pliers
Periodontal probe
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10. Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED.
Cutting Instruments
Chisels
Straight
Wedelstaedt
Binangle
Hatchets
Hoes
Gingival margin trimmers
Spoon excavators
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11. Part B: Rotary Instruments
Inverted
cone
Straight fissure
crosscut
Discs
Round
Pear
shaped
Mandrels
Straight fissure
Diamond
Wheels
Tapered
fissure
Stones
Points
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12. Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED.
Burs
Friction
grip
Latch
Straight
attachment
Shank
Neck
Head
Bur
design
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13. Burs, Discs, Mandrel, Stones, and Wheels
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14. Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED.
Handpieces
Slow speed
Contra-angle
Prophy angle
Straight attachment
High speed
Fiber optics
Chucks
Rheostat
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15. Instrument Tray Systems
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16. Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED.
Assessment Questions
Name the instruments in a basic set-up.
Mirror, explorer, cotton pliers.
For what is the mouth mirror used?
Indirect vision, to reflect light, and to retract tissues.
What device controls the handpiece speed?
The rheostat.
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17. Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED.
Summary of Module
Key Terms
The dental office
The dental treatment room
Dental instrument transfer
Oral evacuation
Hand instruments
Burs
Low-speed and high-speed handpeices
Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED.