Fulcrum
Instrument Grasp
Polishing Devices
Care of Appliance
Operator Chair Positioning
100

How can not using a fulcrum injure a patient?

Device could slip which cause damage to patients enamel and injury on soft tissues

100

What is the purpose of using a proper instrument grasp?

Helps to increase control, relives hand fatigue, prevents injury

100

What is the purpose of a right angle attachment?

To hold the prophy cup or brush 

100

What is a floss threader used for?

To floss on patients with bridges or braces

100

What happens if the chair is too high?

Stability is lowered, thighs are prone to have more pressure 

200

Why is a fulcrum used?

to stabilize and reduce slipping of polishing device 

200

Which grasp is used for coronal polishing?

Modified pen grasp

200

How do you use a rubber cup to reduce tooth damage?  

Using a sweeping motion along the gum line ( keep it moving) and not leaving it on the tooth longer than a second

200

What is a removable prosthetic? 

an appliance that can be removed from the mouth 

200

At what position do you need to be when polishing a patients anterior teeth?

12 o clock 

300

Which finger is used to stabilize hand piece control?

Ringer Finger


300
How many fingers are used when holding the polishing device?

Three fingers ( thumb, middle finger, index)

300

Why does speed and pressure matter when using a polishing device?

Reduces friction on tooth and damage

300

In what motion do you floss a tooth?

seesaw motion, floss hugs around the tooth in a c shape

300

How does the operator position itself when working on lingual frenum?

Away from the patient, on the opposite end quadrant 

400

When using fulcrum where should you keep your finger stabilized?

On the hard surfaces (teeth) 

400

What are the three types of hand grasps?

Pen, Palm Thumb, Modified pen 

400

What are examples of automatic polishing power driven devices?

Right angle, Slow speed, Rheostat

400

How to properly care for a partial denture?

Place it in a bag with debris/ disinfectant solution, placed in ultrasonic, scrubbed and rinsed
400

One example of a long term effect using improper polishing chair positioning?

Carpal tunnel

500

How ahead should the stabilization working area be when using fulcrum?

2-3 teeth ahead

500

what is the relationship between grasp stability and gingival trauma?

unstable grasp can cause the device to slip and injure gingival tissues 
500

What are the three types of polishing devices?

Manual, Air- abrasive, automatic

500

What are the types of care appliances? 

Fixed, removable, and orthodontic appliances

500
Why is it important to have proper ergonomics?

Reduces injury and pain, enhances ability to work