Instruments

Question 1

Describe the working-ends and cross sections of Sickle scalers

Answer 1

• Pointed tips

- Triangular

Question 2

Describe the working-ends and cross sections of curettes

Answer 2

• Rounded toe

- Semi-circular

Question 3

Name the different types of sickle scalers

Answer 3

• H6 sickle scaler

- H7 sickle scaler

Question 4

Name the different types of Columbia curettes

Answer 4

• Columbia 2L/2R
• Columbia 4L/4R
• Columbia 13/14

Question 5

Name the different types of Gracey curettes

Answer 5

• Gracey 1/2 (light grey)
• Gracey 7/8 (green)
• Gracey 11/12 (orange)
• Gracey 13/14 (blue)

Question 6

What instruments can only be used supragingivally?

Answer 6

Sickle scalers

Question 7

Are sickle scaler shanks simple or complex?

Answer 7

Complex

Question 8

Columbia 2L/2R curettes are used for which teeth?

Answer 8

Anterior

Question 9

Columbia 4L/4R curettes are used for which teeth?

Answer 9

Posterior

Question 10

Columbia 13/14 curettes are used for which teeth?

Answer 10

Anterior and Posterior

Question 11

Gracey 1/2 curettes are used for which teeth?

Answer 11

Anterior

Question 12

Gracey 7/8 curettes are used for which teeth?

Answer 12

Anterior and Posterior

Question 13

Gracey 11/12 curettes are used for which teeth?

Answer 13

Posterior

Question 14

Gracey 13/14 curettes are used for which teeth?

Answer 14

Posterior

Question 15

What is the angulation of Gracey curettes

Answer 15

70 degrees

Question 16

Describe the shank of a Gracey 1/2

Answer 16

Simple standard

Question 17

Describe the shank of a Gracey 7/8

Answer 17

Simple standard

Question 18

Describe the shank of a Gracey 11/12

Answer 18

Complex short

Question 19

Describe the shank of a Gracey 13/14

Answer 19

Complex short