Deck 19: Preventive and Corrective Oral Appliances

Question 1

What is the function of an appliance for treating OSA?

A) Lifts the soft palate
B) Repositions the mandible
C) Postures the tongue forward
D) Only a and b are correct.
E) All are correct.

Answer 1

All are correct.

Question 2

In what situation would the dentist prescribe a night guard for a patient?

A) If the patient has sleep apnea
B) If there are signs of grinding
C) If there is an unexplained tooth fracture,wear,or chips
D) Only b and c are correct.
E) All are correct.

Answer 2

Only b and c are correct.

Question 3

What instructions would be given to a patient who receives a soft sports or bruxism guard?

Answer 3

•Wash the guard with room temperature water and liquid soap on a toothbrush after each use.
•Do not soak a soft guard in a commercial denture cleaner containing alcohol or mouthwash because these products will degrade the guard material over time.
•Allow the guard to air-dry.Do not enclose in an airtight container because it could grow mold and bacteria.Use a container that has vent holes.
•Do not leave the guard in an area where it is exposed to direct sunlight or high heat.The mouth guard will warp.
•Do not chew on the guard when using,as it may tear or distort.
•Do not leave the guard where a family pet might reach it.The pet might chew it up.
•Replace if worn,has tears or holes,or no longer fits.

Question 4

A sports guard thickness of about _____ mm is desirable for heavy contact sports in which injuries are more likely.

A) 1
B) 2
C) 4
D) 8

Question 5

Which type of sports mouth guard is most effective?

A) Stock
B) Custom-fit
C) Boil and bite
D) They are all equally effective.

Question 6

Which of the following is true regarding sports guards?

A) They usually cover the mandibular teeth,gingiva,and bone.
B) They can absorb 100% of the energy from a traumatic hit to the mouth.
C) They cannot prevent lacerations to the lips for athletes with orthodontic braces or brackets.
D) They can cushion the maxillary and mandibular teeth when an athlete's jaws are forced together by a blow to the lower jaw.

Question 7

Match the items with the correct description below.
A sleep disorder caused when the muscles that support the soft palate,uvula,and tongue relax and the airway narrows or closes

A)Mouth guard
B)Obstructive sleep apnea
C)Space maintainer
D)Orthodontic tooth aligners

Question 8

Which type of tooth aligner would be used for minor tooth movement?

A) Space maintainer
B) Acrylic bite guard
C) Thermoplastic guard worn at night
D) Removable acrylic base with embedded wires

Question 9

What is a common treatment for people with severe OSA?

A) Weight loss
B) Use of a CPAP
C) Reduced alcohol intake
D) Use of nasal decongestants

Question 10

Match the items with the correct description below.
A fixed or removable appliance used to prevent adjacent teeth from drifting into the space created when a tooth is lost

A)Mouth guard
B)Obstructive sleep apnea
C)Space maintainer
D)Orthodontic tooth aligners

Question 11

Match the items with the correct description below.
Removable appliances that are designed to gently move teeth into predetermined positions

A)Mouth guard
B)Obstructive sleep apnea
C)Space maintainer
D)Orthodontic tooth aligners

Question 12

What is a risk factor for obstructive sleep apnea (OSA)?

A) Obesity
B) Large neck
C) High blood pressure
D) All of the above

Question 13

What is the best method of proper home care for guards?

A) Brush with toothpaste to remove debris.
B) Soak in mouthwash to remove odors.
C) Store in water when not in use.
D) Allow to air-dry in a rigid container.

Question 14

How much potentially traumatic energy can a custom-fit mouth guard absorb?

A) 50%
B) 60%
C) 70%
D) 80%

Question 15

Hard acrylic guards are usually fabricated in the dental _____ and usually require _____ time to adjust than guards made from soft thermoplastic sheets.

A) office;more
B) office;less
C) laboratory;more
D) laboratory;less

Question 16

When would a space maintainer be used?

A) Hold space for a permanent tooth
B) Guide a permanent tooth into place
C) Prevent a primary tooth from being lost prematurely
D) Open more space in the dental arch for accurate eruption

Question 17

Which statement best describes a soft guard?

A) Made from acrylic
B) Constructed in a dental lab
C) Requires less time to adjust
D) Requires more time to adjust

Question 18

Match the items with the correct description below.
A hard or pliable material that protects teeth from trauma during sporting activities or from grinding of the teeth

A)Mouth guard
B)Obstructive sleep apnea
C)Space maintainer
D)Orthodontic tooth aligners