hand scalers

Question 1

mini sickle

Answer 1

supragingival
buccal and lingual
2 cutting edges , sharp point
sharp point should be towards embrasure

Question 2

columbia /universal

Answer 2

supragingival and subgingival

2 cutting edges , no sharp corners or points

Question 3

hoe scalers

Answer 3

subgingival
yellow (134-135) lat - buccal and lingual
red (156-157) post - mesial and distal
cutting edge should be at 90 degrees to tooth
good for large subgingival deposits

Question 4

gracey curettes

Answer 4

one cutting edge
4 types
particularly good for subgingival

Question 5

grey gracey (1-2) area of use

Answer 5

upper and lower anteriors

Question 6

green gracey (7-8) area of use

Answer 6

buccal and lingual of posteriors

Question 7

orange gracey (11-12) area of use

Answer 7

mesial posteriors

Question 8

blue gracey (13-14) area of use

Answer 8

distal posteriors

Question 9

seating position for scaling lower anteriors

Answer 9

7 o clock

Question 10

seating position for scaling upper posterior teeth

Answer 10

11 o clock for all except UR buccal which is 9 o clock

Question 11

seating position for scaling upper anteriors

Answer 11

11 oclock

Question 12

seating position for scaling lower posteriors

Answer 12

9 oclock for LR buccal and LL lingual

11 oclock for LR lingual and LL buccal