Ch 37 Instruments

Area-specific curets have have how many functional cutting edges on one end?

• Two

• Three

• One

• Zero

When scaling with a curet, the ideal angualtion between the instrument face and the tooth surface should be:

• 50 degrees

• 0 degrees

• 80 degrees

• 70 degrees

The face of an instrument is the inner surface of the blade of a scaler or curet.

• True

• False

Which of the following will provide good tactile sensitivity?

• Elongated Shank

• Flexible Shank

• Rigid Shank

• Complex Shank

Which part of an instrument is used to carryout the purpose and function of the instrument?

• Working End

• Shaft

• Face

• Handle

Which would be used as a calculus deposit removal instrument?

• Gracey instrument

• Shepherd Hook

• 11/12 Explorer

• UNC 15 Periodontal Probe

Select all that are used for assessment or examination a tooth.

• Periodontal Probe

• Columbia 13/14

• Shepherd Hook

• 11/12 Explorer

Which Gracey instrument is used for the distal surfaces of posterior teeth?

• Gracey 11/12

• Gracey 1/2

• Gracey 13/14

• Gracey 1/1

Which Gracey instrument is used for the mesial (buccal and lingual) surfaces of posterior teeth?

• Gracey 1/2

• Gracey 11/12

• Gracey 2/3

• Gracey 13/14

Which Gracey instrument is used for the anterior teeth?

• Gracey 11/12

• Gracey 13/14

• Gracey 17/18

• Gracey 1/2