Periodontal Instrumentation Quiz

Which of the following is an area-specific curette used for distal surfaces of posterior teeth?

• Gracey 1/2

• Gracey 7/8

• Gracey 11/12

• Gracey 13/14

The Periotemp probe is used to measure:

• Bleeding on probing

• Pocket depth

• Tooth mobility

• Pocket temperature

Which of the following features is characteristic of a universal curette?

• Only one cutting edge per working end

• Triangular cross-section

• Can be used on all tooth surfaces

• Designed only for posterior teeth

Which of the following instruments works by converting electrical energy into linear tip motion and uses piezoceramic crystals?

• Magnetostrictive scaler

• Piezoelectric scaler

• Sonic scaler

• Laser scaler

Which grasp provides the most stability and tactile sensitivity in periodontal instrumentation?

• Palm and thumb grasp

• Pen grasp

• Modified pen grasp

• Tripod grasp

What is the recommended angulation between the cutting edge of a curette and the tooth surface for effective calculus removal?

• 0°–15°

• 30°–45°

• 45°–90°

• 60°–80°