Printable Test

Incorporating Antimicrobial Mouthrinses into Oral Hygiene:
Strategies for Managing Oral Biofilm and Gingivitis

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The following questions refer to the article: The Role of Dental Plaque Biofilm in Oral Health

1. In regard to the development of dental plaque, the specific plaque hypothesis proposes that

	Only certain microorganisms within the plaque complex are pathogenic
	The quantity of plaque is the critical factor in the development of periodontal disease
	Of the hundreds of species of microorganisms in periodontal pockets, fewer than 40 are routinely found in increased proportions at periodontally diseased sites
	A&C

2. Which of the following statements is true about dental plaque biofilm

	Microorganisms on the outer surface of biofilms are the most strongly attached
	Bacteria are uniformly distributed throughout the biofilm
	Salivary glands produce a variety of proteins and peptides that contribute to biofilm formation
	All of the above

3. The bacteria in biofilm communicate with each other by a process called

	Coaggregation
	Quorum sensing
	Genetic up-regulation
	Sloughing

4. Which of the following microbial complexes is most associated with advanced periodontal disease?

	Yellow complex
	Purple complex
	Green complex
	Red complex

5. Studies have demonstrated an association between periodontitis and various systemic diseases and conditions including

	Cardiovascular disease
	Multiple sclerosis
	Deafness
	None of the above

The following questions refer to the article: Safety and Efficacy of Antimicrobial Mouthrinses in Clinical Practice

6. The Food and Drug Administration has classified the over-the-counter mouthrinse ingredients cetylpyridinium chloride (CPC) and essential oils (EO) as

	Category I
	Category II
	Category III
	None of the above

7. Long-term use of chlorhexidine gluconate (CHG), CPC, and EO does not contribute to soft tissue lesions or mucosal aberrations

	True
	False

8. Critical review and reanalysis of studies suggesting a cause-effect relationship between alcohol-containing mouthrinses (ACMs) and oral and pharyngeal cancer (OPC) reveal

	Deficiencies and study design flaws in the studies
	Inconsistent findings among the studies
	No evidence of a causal relationship between ACMs and OPC
	All of the above

9. Mouthrinses that can bind tightly to tooth structure, dental plaque, and oral soft tissues

	Show a more sustained antimicrobial effect
	Show a shorter lasting, but greater effect
	Produce more soft tissue damage
	None of the above

10. In a large, randomized, controlled clinical trial, patients who added twice-daily rinsing with OE to their home care routine of regular brushing and flossing

	Showed no differences in plaque and gingivitis compared with those who brushed and flossed only
	Showed a greater reduction in plaque and gingivitis compared with those who brushed and flossed only
	Showed an increase in plaque and gingivitis compared with those who brushed and flossed only
	Showed a significant increase in adverse events compared with those who brushed and flossed only

11. All of the following statements regarding the efficacy of antimicrobial mouthrinses are true except

	CHG generally reduces more plaque than either CPC or EO
	CHG and EO are comparable in reducing gingivitis
	CHG and EO demonstrate greater reductions in supragingival plaque and gingivitis compared with CPC
	CPC and EO demonstrate greater reductions in supragingival plaque and gingivitis compared with CHG

The following questions refer to the article: Strategies for Incorporating Antimicrobial Mouthrinses into Daily Oral Care

12. Patient compliance with daily flossing has been reported to be

	50%
	10% to 30%
	20% to 40%
	15%

13. In the contemplation stage of the Transtheoretical Model of Change patients

	Are unaware of the need for behavior change
	Are already taking action and planning on a maintenance program
	Are resistant to making a change
	Are considering changing behavior but are not currently taking action

14. When instructing patients on oral self-care, dental hygienists should

	Determine the patient’s state of readiness for change
	Tailor the information to each individual patient
	Display disappointment when patients have not been following the recommended regimen
	All of the above
	A&B

15. Patients may be reluctant to add an antimicrobial mouthrinse to their daily self-care regimen because

	They may not be aware they need to change
	Life events may interfere with adopting a new behavior
	They believe that they are already doing a good job with their oral care regimen
	All of the above

American Dental Hygienists' Association
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