Area-Specific Curets

Question 1

area-specific curet

Answer 1

a periodontal instrument to remove calculus deposits from the crowns and roots of the tooth

Question 2

design characteristics

Answer 2

long, complex functional shanks
suited for instrumentation of root surfaces
have a rounded back, rounded toe, semicircular cross section

Question 3

unique design characteristics

Answer 3

cutting edges are curved
different from a universal curet that has parallel cutting edges

Question 4

relationship of face to lower shank

Answer 4

face is tilted in relation to the lower shank
causes cutting edge to be lower than the other on each working end

Question 5

lower cutting edge

Answer 5

used for calculus removal
also called working cutting edge

Question 6

nonworking edge

Answer 6

other edge is not used
angled away from the soft tissue wall of the sulcus
helps protect the tissue

Question 7

angulation

Answer 7

low cutting edge is at a 70 degree angle to the tooth surface when the lower shank is parallel to the long axis of the tooth

Question 8

identifying the cutting edge

Answer 8

lower shank is perpendicular to the floor
one cutting edge is lower and closer to the floor
only the cutting edge requires sharpening

Question 9

where is the 1/2 used

Answer 9

anterior teeth

Question 10

where is the 7/8 used

Answer 10

posterior line angle to line angle

Question 11

where is the 11/12 used

Answer 11

posterior distal line angle to mesial

Question 12

where is the 13/14 used

Answer 12

posterior distal line angle to distal

Question 13

where is the 15/16 used

Answer 13

posterior mesial line angle to mesial

Question 14

where is the 17/18 used

Answer 14

posterior distal line angle to distal

Question 15

what is used to complete the facial and lingual aspects of a posterior sextant

Answer 15

two double ended gracey curets
use opposite ends from facial for the lingual