Deck 11: Dentifrices,Mouthrinses,and Chewing Gums

Question 1

Abrasives usually do NOT damage enamel,but they may dull the tooth luster.To compensate for this,polishing agents are added to the dentifrice formulation.

A)First statement is true,second statement is false.
B)First statement is false,second statement is true.
C)Both statements are true.
D)Both statements are false.

Answer 1

C
Explanation: C)Abrasives usually do NOT damage enamel,but they may dull the tooth luster.To compensate for this,polishing agents are added to the dentifrice formulation.

Question 2

The MOST common types of abrasives used are:

A)Carbonates
B)Phosphates
C)Silicas
D)All the above

Answer 2

D
Explanation: D)All of the answers are commonly used abrasives.

Question 3

Stannous fluoride,specifically the stannous ion,has reported activity against:

A)Caries
B)Plaque
C)Gingivitis
D)All the above

Answer 3

D
Explanation: D)Stannous fluoride is often touted to have uses NOT only in the reduction in caries and plaque,but also improving gingival health.

Question 4

Baking soda (sodium bicarbonate)has had a long history of use as an oral-hygiene aid.The uses for these oral-hygiene aids include fighting plaque,gingivitis reduction,stain-removal,and odor-reducing efficacy.

A)First statement is true,second statement is false.
B)First statement is false,second statement is true.
C)Both statements are true.
D)Both statements are false.

Question 5

Important characteristics that lead to public acceptance of a dentifrice are:

A)Flavor,smell,color,and consistency
B)Flavor,smell,and texture
C)Smell,color,and consistency
D)Flavor,smell,texture,and consistency

Question 6

Potassium nitrate is a commonly used,FDA-approved,OTC desensitization agent.It reduces the reaction of nerves in the teeth to stimuli such as heat and cold.

A)First statement is true,second statement is false.
B)First statement is false,second statement is true.
C)Both statements are true.
D)Both statements are false.

Question 7

Abrasion can occur from toothbrushing.Toothbrush abrasion usually appears as a V-shaped notch in the cementum apical to the cementoenamel junction.

A)First statement is true,second statement is false.
B)First statement is false,second statement is true.
C)Both statements are true.
D)Both statements are false.

Question 8

Humectants were added to maintain the moisture and prevent hardening.Commonly used humectants are sorbitol,mannitol,glycerol,and propylene glycol.

A)First statement is true,second statement is false.
B)First statement is false,second statement is true.
C)Both statements are true.
D)Both statements are false.

Question 9

The degree of dentifrice abrasiveness depends on:

A)The inherent hardness of the abrasive
B)The size of the abrasive particle
C)The shape of the particle
D)All of the above

Question 10

Smaller particles (1 mm)have an abrasive action,and larger particles (20 mm)have a polishing action.

A)First statement is true,second statement is false.
B)First statement is false,second statement is true.
C)Both statements are true.
D)Both statements are false.