Ch. 24 Dental Instruments

Question 1

hand instrument has 3 parts

Answer 1

working end, shank, handle

Question 2

nib

Answer 2

non-cutting end of a hand instrument

Question 3

bevel

Answer 3

slanted cutting edge

Question 4

G.V. Black

Answer 4

founded the classifying system for instruments

Question 5

Black’s formula

Answer 5

first # designates the width of the blade, second # describes the length of the blade, third # represents the angle of the blade in relationship to the handle

Question 6

basic setup

Answer 6

mouth mirror, explorer, cotton pliers

Question 7

high speed handpiece

Answer 7

380,000-400,000 rpm