Perio-instruments

Question 1

What instrument is this?

Answer 1

A mini sickle

Question 2

Describe the mini sickle?

Answer 2

• A double ended point scaler
• Has two cutting edges on each blade for buccal & lingual embrasure surfaces (The V shaped valleys between teeth)
• Sharp end of the blade.
• Triangular in cross section

Question 3

Where do you use the mini sickle?

Answer 3

Supra gingivally?

Question 4

Why is the mini sickle used supragingivally?

Answer 4

As the pointed end of the instrument can damage the epithelium of the pocket.

Question 5

What is this instrument?

Answer 5

The columbia curette

Question 6

Describe the Columbia Curette?

Answer 6

• Doubled ended universal curette
• Two cutting edges on each blade.
• Has a spoon like curved edge of blade.
• Semi-circular cross section.

Question 7

Where is the columbia curette used?

Answer 7

Subgingival scaling anywhere in the mouth.

Question 8

What is the limitation of the columbia curette?

Answer 8

It has limited access to deep pockets.

If the blade is engaged at less than 45* it cannot remove the calculus.

Question 9

What is this?

Answer 9

Gracey Curette 1-2

Question 10

Describe Gracey curette grey 1-2

Answer 10

Double ended instrument

Single cutting edge on each blade.

Question 11

Where is the gracey curette grey 1-2 used?

Answer 11

Anterior Subgingivally.

Question 12

What is this?

Answer 12

Gracey curette 7-8 (green)

Question 13

Describe the gracey curette green 7-8?

Answer 13

double ended instrument

Single cutting edge on each blade,

Question 14

Where is the gracey curette green 7-8 used?

Answer 14

Subgingivally lingual and buccal of posterior teeth

Question 15

What is this?

Answer 15

Gracey curette 11-12 (orange)

Question 16

Describe the gracey orange curette 11-12

Answer 16

double ended instrument

Single cutting edge on each blade.

Question 17

Where is the gracey curette orange 11-12 used?

Answer 17

This is used in the posterior teeth on the mesial subgingivally

Question 18

What is this?

Answer 18

Gracey curette 13-14 (blue)

Question 19

describe the gracey curette blue 13-14

Answer 19

Double ended instrument

Single cutting edge on the blade.

Question 20

Where is the gracey curette blue 13-14 used?

Answer 20

This is used subgingivally on the posterior distal.

Question 21

What is this?

Answer 21

The hoe 134-135 (yellow)

Question 22

Where is the yellow hoe 134-135 used?

Answer 22

Supragingival and subgingival on lingual and buccal surfaces.

Question 23

What is this?

Answer 23

Hoe 156-157 (red)

Question 24

Where is the red hoe 156-157 used?

Answer 24

Supra and subgingival scaling on mesial and distal surfaces.