Chapter 19. Preventive and Corrective Oral Appliances

Chapter 19 Preventive and Corrective Oral

Appliances

1. When a soft mouthguard is prescribed by the dentist,

fabrication can be done by

a. the DA

b. the DH

c. the lab tech

d. all of the above: d. all of the above

2. The main purpose of a sports mouth guard is

a. to help protect the teeth and supporting structures during

contact sports b. to keep the airway open

c. the keep the tongue out of the way

d. to keep teething alignment after ortho tx: a. to help protect the

teeth and supporting structures during contact sports

3. Custom-made mouth guards and splints may be made of

a. a plastic material softened by boiling

, b. thermoplastic resident plastic or hard processed acrylic

resinc. composite resin

d. tray acrylic: b. thermoplastic resident plastic or hard

processed acrylic resin 4. Obstructive sleep apnea can lead to

a. chronic fatigue

b. high blood pressure

c. hearth problems

d. all of the above: d. all of the above

5. Oral appliances used for obstructive sleep apnea work by

a. holding the tongue forward

b. holding the mandible forward

c. supporting the tissue of the soft palate

d. any one or more of the above: d. any one or more of the above

6. The tx objectives of oral appliances for sleep apnea

include all of the following except one. a. lift the soft palate

b. hold the tongue in a more forward position

c. reposition the mandible forward to bring the tongue away

from the airway: c.