Wilkins Chapter 28- Dentifrices and Mouthwash

Which of the following is not a local self-care method?

a) Toothbrushing

b) Ultrasonic scaler

c) Rinsing

d) Irrigating

e) Dentifrices

Ultrasonic Scaler

all of the following are true about oil pulling except:

a. it lubricates the oral mucosa

b. it reduces halitosis

c. it reduces oral thrush

d. it reduces bacteria

a. it lubricates the oral mucosa

Which one of the following is not a binder?

a. gypsum

b. natural gums

c. synthetic celluloses

d. all of these are binders

a. gypsum

Which of the following does not reduce VSCs?

a. potassium chloride

b. chlorhexidine

c. cetylpyridinium chloride

d. zinc formulations

a. potassium chloride

Which is not a characteristic of an effective chemotherapeutic agent?

a. the action is confined to the oral cavity

b. the agent binds to the pellicle and tooth surface and is released over a period of time

c. it does not need to be specific to just the pathogenic organisms of the oral cavity

d. it has low induced drug resistance

c. it does not need to be specific to just the pathogenic organisms of the oral cavity

Which of the following is not an adverse effect of chlorhexidine?

a. staining of teeth and soft tissues

b. etching of teeth and restorations

c. increase in supragingival calculus formation

d. altered taste perception

b. etching of teeth and restorations

Your patient is a 20 year old college junior. They present with extremely painful red swollen gingiva that has a grey pseudomembrane. The dentist believes it is necrotizing ulcerative gingivitis. What therapeutic rinse would be the most advantageous rinse to help alleviate their symptoms?

a. 10% carbamide peroxide

b. listerine

c. acidulated phosphate fluoride rinse

d. stannous fluoride

a. 10% carbamide peroxide

which of the following patients would generally not benefit from patient applied daily mouth rinsing?

a. a patient with open interdental areas

b. a patient with malpositioned teeth

c. a patient with severe down syndrome

d. patient with periodontal pockets

a patient with severe down syndrome

Which of the following is used as a sweetener in dentifrices?

a. honey

b. agave nectar

c. glycerol

d. none of these are correct

c. glycerol

What type of ingredient is added to a dentifrice for the purpose of suspending debris for easy removal by a toothbrush and contributing to foaming action?

a. polishing agents

b. humectants

c. detergents

d. preservative

c. detergents

Which of the following is an active ingredient in dentifricies?

a. surfactant

b. zinc compounds

c. binder

d. humectant

b. zinc compounds

The treatment of disease by means of chemical substances or pharmaceutical agents is commonly seen in dentistry. What do you call a chemical that is used for therapeutic reasons in the treatment of disease?

a) Humectant

b) Astringent

c) Irrigant

d) Chemotherapeutic

e) Detergent

Chemotherapeutic

Which agent is the most effective in commercial dentifrices for the reduction of dentin hypersensitivity?

a) Triclosan

b) Chlorhexidine

c) Potassium nitrate

d) Zinc chloride

e) Stannous fluoride

Potassium nitrate

Which of the following statements about triclosan are not true?

a) Triclosan is the primary agent that has shown efficacy in reducing gingival inflammation.

b) Triclosan has been shown to inhibit inflammatory mediators

c) Triclosan has shown significant reductions in supragingival biofilm formation

d) Triclosan combined with a copolymer increases the substantivity

e) Triclosan is the primary agent that has shown efficacy in reducing dentin hypersensitivity

Triclosan is the primary agent that has shown efficacy in reducing dentin hypersensitivity

Which of the following active ingredients is found in an anticalculus dentifrice?

a) Zinc chloride

b) Sodium citrate

c) Strontium chloride

d) Potassium nitrate

Zinc chloride

Which of the following is not a type of therapeutic dentifrice?

a) Baking soda–peroxide–fluoride dentifrice

b) Antimicrobial dentifrice

c) Fluoride-containing dentifrice

d) Baking soda whitening dentifrice

Baking soda whitening dentifrice

In a dentifrice, what is the function of the humectant?

a) Prevents separation of ingredients

b) Prolongs a product's shelf life

c) Maintains the consistency of the product

d) Retains moisture

e) Produces a smooth tooth surface

Retains moisture

Your patient has just informed you that his previous hygienist told him that swishing vigorously would get the antibacterial rinse into his 5-mm pockets. How far subgingivally can rinsing deliver an agent?

a) 8 mm

b) 6 mm

c) 4 mm

d) 2 mm

2mm

What is the most effective antimicrobial and antigingivitis agent available for clinical use?

a) Chlorhexidine

b) Acidulated phosphate fluoride

c) Essential oils

d) Stannous fluoride

e) Oxygenating agent

Chlorhexidine

Chlorhexidine is safe and effective for use in all of the following, except:

a) biofilm control and prevention.

b) reducing Streptococcus mutans.

c) long-term therapy for individuals with poor home care.

d) inhibiting and reducing the development of gingivitis.

e) postsurgical enhanced would healing.

long-term therapy for individuals with poor home care.

Your patient just had periodontal surgery a week ago. She was instructed to use a chlorhexidine rinse each night before bed immediately after brushing. What, if anything, is wrong with these instructions?

a) Nothing, the instructions are correct and recommended.

b) Chlorhexidine should never be used before bed.

c) Chlorhexidine should not be used immediately after brushing.

d) Chlorhexidine is not recommended for patients having periodontal surgery.

e) Chlorhexidine is only used by a professional in a dental office.

Chlorhexidine should not be used immediately after brushing.

Which of the following agents is currently available in a dentifrice in the United States?

a) Chlorhexidine

b) Alcohol

c) Triclosan

d) Hydrogen peroxide

Triclosan

Phenolic compounds do which of the following?

a) Disrupt the bacterial cell wall

b) Interfere with bacterial glycolysis

c) Promote oral wound healing

d) Reduce caries

e) Inhibit alcohol absorption

Disrupt the bacterial cell wall

Which statement is not a benefit of mouthrinses?

a) They reduce the number of intraoral microorganisms/

b) They provide biofilm control.

c) They aid in the prevention of gingivitis.

d) They remove intrinsic stains.

e) They contribute to malodor control.

They remove intrinsic stains.

Which of the following dental products is not regulated by the FDA?

a) Infection control products

b) Power and manual toothbrushes

c) Prosthetic and restorative materials

d) Diagnostic test kits

e) Chemotherapeutics

Power and manual toothbrushes

All of the following statements concerning triclosan are true, except:

a) it is a bisphenol.

b) it is effective against both Gram-negative and Gram-positive viruses.

c) it has low toxicity.

d) it causes bacteriolysis.

it is effective against both Gram-negative and Gram-positive viruses.

The first caries-preventive dentifrice contained:

a) triclosan.

b) potassium nitrate.

c) stannous fluoride.

d) chlorhexidine.

stannous fluoride

Which of the following is not a “tarter-control” dentifrice ingredient?

a) Zinc salts

b) Sodium hexametaphosphate

c) Potassium nitrate

d) Triclosan

Potassium nitrate

What is the purpose of a humectant?

a) Lower surface tension

b) Polishing agent

c) Thickener

d) Moisture retainer

Moisture retainer

All of the following are true concerning quaternary ammonium compounds, except:

a) they are anionic agents.

b) they rupture cell walls.

c) they alter cytoplasm.

d) they have low substantivity.

they are anionic agents.

Which of the following ingredients in a commercial mouthwash enhances flavor impact and contributes to cleansing?

a) Alcohol

b) Surfactant

c) Preservative

d) All of these are correct

Alcohol

True or False? Oxygenating agents alters bacterial cell membrane, decreasing permeability.

False

Substantivity means the ability of an agent to bind to the pellicle, tooth surface, and soft tissue and be released over an extended period of time with the retention of its __________.

potency