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

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

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

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

3 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.

4 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.

5 Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED. 5 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

6 Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED. 6 Key Terms Mandrels Manufacturer’s number Monangle Non-cutting Revolutions per minute (rpm) Rotary instruments Shaft Working end

7 Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED. 7 Part A: Hand Instruments Basic Set-up Cutting RestorativeSpatulas Instrument Design Burnishers

8 Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED. 8 Dental Instrument Design Manufacturer’s number Black’s formula Shank Handle Working ends Instrument design

9 Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED. 9 Basic Set-up Mouth mirror –Indirect vision –Reflect light –Retract tissues Explorer Cotton pliers Periodontal probe

10 Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED. 10 Cutting Instruments Chisels –Straight –Wedelstaedt –Binangle Hatchets Hoes Gingival margin trimmers Spoon excavators

11 Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED. 11 Part B: Rotary Instruments PointsStones Tapered fissure WheelsDiamond Straight fissure Mandrels Pear shapedRound Discs Straight fissure crosscut Inverted cone

12 Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED. 12 Burs Friction grip Friction grip Latch Straight attachment Straight attachment Shank Neck Head Bur design Bur design

13 Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED. 13 Burs, Discs, Mandrel, Stones, and Wheels

14 Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED. 14 Handpieces Slow speed –Contra-angle –Prophy angle –Straight attachment High speed –Fiber optics –Chucks –Rheostat

15 Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED. 15 Instrument Tray Systems

16 Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED. 16 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.

17 Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED. 17 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


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