ULTRASONIC SCALING OSCE

Question 1

what is the name of the ultrasonic scaler we use in pre-clinical skills?

Answer 1

The Cavitron

Question 2

what is the ultrasonic unit composed of?

Answer 2

• electric power generator
• handpiece
• insert with a working tip

Question 3

How many strokes are delivered by an ultrasonic scaler?

Answer 3

25,000 small mechanical strokes

Question 4

How many strokes are delivered by a sonic scaler?

Answer 4

16.000

Question 5

What is the difference between an ultrasonic scaler and a sonic scaler?

Answer 5

• ultrasonic is a stand alone product, higher stroke volume

- sonic is a direct extension of dental chair, lower stroke volume, convenient

Question 6

Why is the water spray essential when using an ultrasonic scaler?

Answer 6

the small mechanical strokes general friction which causes heat
- water spray cools the vibrating tip to prevent pulpal damage

Question 7

what seating position would you use to scale the labial surface of the lower anteriors?

Answer 7

7 o’clock positon

Question 8

what seating position would you use to scale the lingual surface of the lower anteriors?

Answer 8

7 o’clock position

Question 9

what seating position would you use to scale the buccal surface of the upper right posterior teeth?

Answer 9

9 o’clock position

Question 10

what seating position would you use to scale the buccal surface of the lower right posterior teeth?

Answer 10

the 9 o’clock position

Question 11

what seating position would you use to scale the lingual surface of the lower left posterior teeth?

Answer 11

9 o’clock

Question 12

what seating position would you use to scale the buccal surface of the lower left posterior teeth?

Answer 12

11 o’clock

Question 13

what seating position would you use to scale the lingual surface of the lower right posterior teeth?

Answer 13

11 o’clock

Question 14

what seating position would you use to scale the palatal surface of the upper right posterior teeth?

Answer 14

11 o’clock

Question 15

what seating position would you use to scale the buccal & palatal surfaces of the upper left posterior teeth?

Answer 15

11 o’clock

Question 16

what seating position would you use to scale the labial & palatal surfaces of the upper anterior teeth?

Answer 16

11 o’clock

Question 17

what does the Cavitron FSI 10 tip look like and where is it used?

Answer 17

• straight shank

- used on all accessible tooth surfaces

Question 18

what does the Cavitron FSI 100 tip look like and where is it used?

Answer 18

• 2 bended shank

- good for posterior teeth

Question 19

what does the Cavitron FSI 1000 tip look like and where is it used?

Answer 19

• 3 bended shank

- good for posterior teeth, interproximal surfaces and line angles of teeth

Question 20

what does the Cavitron FSI 3 Beavertail tip look like and where is it used?

Answer 20

• looks like a beavertail lol

- used for larger calculus deposits anywhere in mouth

Question 21

what does the Cavitron FSI slimLINE 10s tip look like and where is it used?

Answer 21

• straight shank

- anywhere

Question 22

what does the Cavitron FSI slimLINE 1000 tip look like and where is it used?

Answer 22

• triple bend shank

- interproximal areas and line angles, posterior

Question 23

what does the Cavitron FSI slimLINE 10r tip look like and where is it used?

Answer 23

• curved shank

- posterior teeth on right side

Question 24

what does the Cavitron FSI slimLINE 10l tip look like and where is it used?

Answer 24

• curved shank

- posterior teeth on the left side