lecture 1- universal curettes

Question 1

universal design

Answer 1

2 cutting edges
round toe
face that is parallel to the floor when terminal shank is held at 12 o’clock position

Question 2

where can universal curettes be used

Answer 2

1. all surfaces of all teeth (supra and sub gingival)
2. shank length helps identify instruments that are better for shallow vs. deep periodontal pockets

Question 3

look at difference between columbia, McCall’s and 4R/4L

Question 4

how to determine the correct working-end

Answer 4

1. toe of instrument curves toward mesial aspect of tooth you are working on
2. if toe curves away from mesial aspect, the working-end is incorrect

Question 5

for distal aspect, when the terminal shank is _____to the long-axis of the tooth, you can be sure the correct working-end is being utilized

Answer 5

parallel

Question 6

for mesial aspect, when the terminal shank is _____ to the long acis of the tooth, you can be sure the correct working-end is being utilized

Answer 6

parallel

Question 7

what is the ideal stroke for using universal curette across a tooth surface (especially direct buccal/lingual)

Answer 7

is oblique and overlapping

Question 8

universal curettes in anterior teeth

Answer 8

1. begin at midline
2. scale into interproximal space
3. align HANDLE so it is parallel to the long axis of tooth
4. FLIP instrument when scaling other half

Question 9

surfaces toward for left hand

Answer 9

4 o’clock

Question 10

surface away for left hand

Answer 10

12 o’clock

Question 11

where does 12 o’clock work for both toward and away for Left and Right hand

Answer 11

maxillary anteriors