DentalCare.com - Ortho 101

Question 1

Fixed orthodontic appliances _______________.

A. allows easy access for plaque removal

B. are only used in order to prevent relapse

C. will not assist in compliance of wear time

D. may be functional in nature through using orofacial muscles to add force for movement

Answer 1

D. may be functional in nature through using orofacial muscles to add force for movement

Question 2

Biofilm is _______________.

A. an orthodontic radiograph

B. a functional appliance that is cemented in the patient’s mouth

C. used on brackets to prevent injury to the soft tissues

D. matrix of microbial societies, which communicate with one another

Answer 2

D. matrix of microbial societies, which communicate with one another

Question 3

In the Cochrane Study, orthodontic patients had ______% reduction of gingivitis after 3 months of power toothbrush usage as compared to manual toothbrushing.

A. 6

B. 11

C. 17

D. 50

Answer 3

B. 11

Question 4

_______________ are living microorganisms used in dentistry to help decrease incidences of dental caries and periodontal disease.

A. Fluoride lozenges

B. Probiotics

C. Chemotherapeutics

D. Ligatures

Answer 4

B. Probiotics

Question 5

Fluorapatite is considered _______________ as compared to hydroxyapatite.

A. higher in calcium ions

B. higher in phosphate

C. more structurally and chemically sound

D. a stronger bonding agent

Answer 5

C. more structurally and chemically sound

Question 6

Streptococcus mutans assists Lactobacillus in the caries process by _______________.

A. creating a by-product to feed and energize it

B. increasing an acidic environment causing demineralization allowing easier penetration

C. eliminating competing bacteria

D. facilitating the amount of plaque present

Answer 6

B. increasing an acidic environment causing demineralization allowing easier penetration

Question 7

The presence of _______________ demonstrates good periodontal health.

A. Lactobacillus paracasei

B. Streptococcus mutans

C. Streptococcus oralis

D. Lactobacillus rhamnosus

Answer 7

C. Streptococcus oralis

Question 8

Xylitol is _______________.

A. used to kill all streptococcus bacteria

B. present in all toothpastes

C. a product used to prevent caries

D. only present within a tropical fruit found in the rain forests of the Amazon

Answer 8

C. a product used to prevent caries

Question 9

_______________ was originally approved by the FDA for sensitivity use.

A. Xylitol

B. Probiotics

C. Chemotherapeutics

D. Fluoride varnish

Answer 9

D. Fluoride varnish

Question 10

_______________ is used as an orthodontic cement having the ability to release fluoride.

A. Glass ionomer

B. Xylitol

C. Varnish

D. IRM

Question 11

A functional appliance is one that utilizes jaw movement and muscle action to produce ___________________.

A. a higher flow of saliva to prevent decay

B. an outcome that does not require any retention

C. additional room in the jaw to eliminate 3rd molar removal

D. selection force on the teeth and jaws

Question 12

A five-carbon sweetener that is considered a sugar alcohol is _______________.

A. xylitol

B. sorbitol

C. sucrose

D. fructose

Answer 12

A. xylitol

Question 13

_______________ has shown to decrease the amount of fluoride needed in the remineralization process.

A. Xylitol

B. Streptococcus uberis

C. Tricalcium phosphate

D. Triclosan

Answer 13

C. Tricalcium phosphate

Question 14

A ligature is _______________.

A. an orthodontic appliance

B. used to help improve pronunciation in orthodontic patients

C. another term for archwire

D. used to tie the wire to the bracket

Answer 14

D. used to tie the wire to the bracket