Instrumentation for non surgical periodontal treatment

Question 1

Describe a mini sickle scaler

Answer 1

• double ended point scaler
• two cutting edges on each blade for buccal and lingual embrasure surfaces supra gingival and within the pocket orifice
• curved blade, triangular in cross section

Question 2

Describe a Columbia Curette 4R-4L

Answer 2

• double ended universal curette
• 2 cutting edges on each blade
• sub gingival scaling anywhere in the mouth

Question 3

Describe a Gracey Curette 1-2 (grey)

Answer 3

• a double ended curette
• each blade has a single cutting edge
• designed specifically for fine/deep sub-gingival scaling of upper and lower anterior teeth

Question 4

Describe the Gracey Curette 7-8 (green)

Answer 4

• a double ended curette
• each blade has a single cutting edge
• designed for fine/deep sub-gingival scaling of buccal/lingual surfaces of posterior teeth

Question 5

Describe the Gracey curette 11-12 (orange)

Answer 5

• a double ended curette
• each blade has a single cutting edge
• specifically designed for fine/deep sub-gingival scaling of medial surfaces of posterior teeth

Question 6

Describe the Gracey curette 13-14 (blue)

Answer 6

• a double ended curette
• each blade has a single cutting edge
• designed for fine/deep sub-gingival scaling of the distal surfaces of posterior teeth

Question 7

Describe the Hoe Scaler 134-135 (yellow)

Answer 7

• double ended curette
• gross supra and sub gingival scaling
• mainly on buccal and lingual surfaces

Question 8

Describe the Hoe scaler 156-157 (red)

Answer 8

• double ended curette
• for gross supra and sub gingival scaling
• mainly on messial and distal surfaces

Question 9

how many mechanical strokes per second does an ultrasonic scaler provide

Answer 9

25,000

Question 10

What is the amplitude of vibration movement in the long axis of the tip

Answer 10

0.006-0.1 mm