Mechanical Equipment

Question 1

What are the 2 disadvantages of using Mechanical over Hand isntruments?

Answer 1

Increased risk of patient injury & cost/maintenance

Question 2

What are the 2 main types of mechanical scalers?

Answer 2

Ultrasonic - converts sound to vibration

Sonic - converts air into vibration

Question 3

What are the 3 main types of Ultrasonic scalers?

Answer 3

Magnetostrictive, Peizo-electric, Ondontoson

Question 4

What are the 3 main types of Ultrasonic tips and where are they used?

Answer 4

Beaver - thick, only supragingival
Perio - thin, can be used subgingivally
Furcation - hooks left/right to gain access to furcations

Question 5

What is needed to change the tip on a Piezoelectric handpiece?

Answer 5

Tip Tightening Tool

Question 6

Because sonic scalers are run by compressed air, they have an added benefit of:

Answer 6

Cooling

Question 7

Sonic scalers need continuous air pressure of ____psi

Answer 7

30-40

Question 8

To maintain the Compressor, make sure to check and fill the _____, and always drain the ______

Answer 8

Oil, stop cock

Question 9

Spend a maximum of _____ seconds on each tooth with mechanical scalers

Answer 9

5

Question 10

What is the main purpose of Polishing?

Answer 10

Remove plaque and restore scaled surface

Question 11

Before polishing, be sure to _______ the teeth

Answer 11

Wet

Question 12

Polishers can generate a lot of _______

Answer 12

heat

Question 13

When lubricating the polishing hand piece, where does the oil go?

Answer 13

The smaller of the two holes inside the instrument

Question 14

Low speed hand pieces are used with _____ tips and High speed hand pieces are used with _____

Answer 14

Prophy tips, cutting burs

Question 15

The 3 way syringe sprays ____ and _____

Answer 15

water, air