Power Point Presentation for Chairside Dental Assisting with

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

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

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. 3

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. Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED. 4

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

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

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

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

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

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

Part B: Rotary Instruments Inverted cone Straight fissure crosscut Discs Round Pear shaped Mandrels Diamond Wheels Stones Points Straight fissure Tapered fissure Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED. 11

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

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

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

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

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

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. 17