Deck 23: Dentifrices

Question 1

What is the role of a humectant in a dentifrice?

A) It makes the product pleasant.
B) It masks the taste of other ingredients.
C) It dissolves other ingredients.
D) It limits drying out of the product.

Answer 1

It limits drying out of the product.

Question 2

Loss of dental substance can be caused by multiple factors.Other than the brushing technique used,it may possibly be brought about by which of the following?

A) Eating habits
B) The dentifrice
C) Xerostomia
D) All of the above

Answer 2

All of the above

Question 3

Which of the following two agents are incompatible?

A) Sorbitol and vegetable oils
B) Essential oils and mint oils
C) Sodium lauryl sulfate (SLS)and chlorhexidine
D) Triclosan and pyrophosphate

Answer 3

Sodium lauryl sulfate (SLS)and chlorhexidine

Question 4

The dental hygienist encourages the client to actively take part in care planning by:

A) Respecting the client's cultural differences
B) Having the client sign the care plan
C) Asking the client questions
D) Discussing possible choices with the client

Question 5

What undesirable outcome can sodium lauryl sulfate (SLS)cause in some users?

A) A metallic taste in the mouth
B) A prickling sensation on the tongue
C) Aphthous ulcers
D) A burning sensation

Question 6

Which one of the following factors most ensures that a dentifrice is recognized as safe and effective by the consumer and the professional?

A) Marketing and advertising
B) The ADA Seal of Acceptance or the CDA Seal of Recognition
C) Its recommendation by a dental professional
D) Its cost

Question 7

What undesirable outcome can cinnamon flavoring cause in some users?

A) Aphthous ulcers
B) A metallic taste in the mouth
C) Contact stomatitis
D) Xerostomia

Question 8

Components of the root surface demineralize at a pH of:

A) 6.5
B) 5.5
C) 4.5
D) 3.5

Question 9

The incorporation of fluoride ions into enamel crystals is facilitated by which of the following?

A) Presence of fluoride ions in the dentifrice
B) Neutral pH of the dentifrice
C) Acidic pH of the dentifrice
D) Basic pH of the dentifrice

Question 10

The level of therapeutic agents in dentifrices is:

A) Equal to the level of abrasives
B) Less than the level of detergents
C) Greater than the level of abrasives
D) Equal to the level of flavoring agents

Question 11

Abfraction is caused by a loss of minerals of _____ origin.

A) Noncariogenic
B) Cariogenic
C) Dietary
D) Chemical

Question 12

For a client with heavy accumulations of oral biofilm,one should choose a dentifrice that:

A) Tastes good
B) Has a higher level of abrasiveness
C) Contains an antitartar agent
D) Contains a desensitizing agent

Question 13

Dentifrice can be a risk factor for tooth structure loss in a user when:

A) It causes dentinal hypersensitivity
B) Its level of abrasiveness is low
C) Its pH level is high
D) It is bactericidal

Question 14

Combined with a low pH level,insoluble materials like abrasives are:

A) More harmful for tooth enamel and dentin
B) Less harmful for tooth enamel and dentin
C) More harmful for gingiva
D) Less harmful for gingiva

Question 15

Use of a fluoride dentifrice is important for which of the following?

A) Children and adolescents
B) People at risk for developing dental caries
C) Everybody
D) People who have sensitive teeth

Question 16

A liquid dentifrice is preferable for which of the following clients?

A) A client who has xerostomia
B) A client at risk for developing interproximal or occlusal dental caries
C) A client who is young
D) A client who has trouble using dental floss

Question 17

A client with dentinal hypersensitivity should use a dentifrice that contains which of the following?

A) Acidulated phosphate fluoride
B) NaF
C) Sodium hexametaphosphate
D) Potassium nitrate

Question 18

The dental hygienist recommends a dentifrice in a safe manner by:

A) Taking time to collect data
B) Recommending a dentifrice adapted to the client's needs
C) Continuously updating professional knowledge and skills
D) Inquiring about the client's oral habits

Question 19

Which of the following ingredients in dentifrices is considered to be an antitartar agent?

A) Potassium nitrate
B) Zinc citrate
C) Chlorhexidine
D) Hydrogen peroxide

Question 20

What new detergent is gaining popularity with companies that manufacture dentifrices?

A) Agar-agar
B) Sodium citrate
C) Cocamidopropyl betaine
D) Triclosan with copolymer

Question 21

The amount of saliva is highest when the client is:

A) Resting
B) Playing sports
C) Rising from sleep
D) Sleeping

Question 22

Antitartar dentifrices are recommended for clients to eliminate which of the following?

A) Extrinsic tooth staining
B) Subgingival calculus
C) Supragingival calculus
D) Gingivitis

Question 23

Pyrophosphates and zinc citrate are active ingredients added to some dentifrices to do which of the following?

A) Prevent dental caries
B) Prevent gingivitis
C) Reduce tooth sensitivity
D) Prevent tartar

Question 24

With a hypertensive client,a dentifrice without _____ should be recommended.

A) NaF
B) Sodium bicarbonate
C) Zinc citrate
D) Sodium citrate

Question 25

What therapeutic agent other than sodium lauryl sulfate interacts with chlorhexidine to decrease its effectiveness?

A) Essential oils
B) Cinnamon flavoring
C) Fluoride
D) Abrasives