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CHAPTER 19

CHAPTER 19. INSTRUMENTS, HANDPIECE AND ACCESSORIES. Hand Instrument. Each hand instrument is made up of three parts, handle, shank, and working end. (pg.315, Table 19-1) Examination Instruments: allow the dentist to examine the health status of the oral cavity (pg. 315, Table 19-2)

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CHAPTER 19

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  1. CHAPTER 19 INSTRUMENTS, HANDPIECE AND ACCESSORIES

  2. Hand Instrument • Each hand instrument is made up of three parts, handle, shank, and working end. (pg.315, Table 19-1) • Examination Instruments: allow the dentist to examine the health status of the oral cavity (pg. 315, Table 19-2) • Tooth Preparation Instruments: allows the dentist to manually remove the decay,and to smooth, finish, and prepare the tooth structure to be restored. (Pg. 316, Table 19-3) • Restorative Instruments: allows the dentist to place, condense and carve the dental material to the original anatomy of the tooth. (pg. 316, Table 19-4) Accessory Instruments: versatile instruments that are added to the set up, to make the procedures easier. (Pg.317, Table 19-5)

  3. Instrument Set Up and Care • Box 19-1, PG. 317 • Rotary Instruments: comprise of the dental handpieces and the revolving mechanisms (cutting and finishing burs,etc.) • Two common Handpieces are the Low-speed, High-speed. (19-1, 19-2 pg. 318, 19-3, 19-5 pg 319)

  4. BURS • There are a variety of dental burs. • Burs have three parts: shank, neck and head. See page 321, fig. 19-10 • Each bur can be changed depending on the handpiece • Burs must be sterilized before the next use, dull ones are thrown out. Always place in bur block or holder in the ultrasonic • Types of Burs Pg 322-323, table 19-7 • PG 324 box 19-3, pg 325 fig. 19-11, 19-12

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