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Article: Charcoal-based mouthwashes: a literature review

1. What percentage of the products identified in this paper contained fluoride?

A. 100%

B. 13.9%

C. 27.2%

D. 73.9%

2. The maximum threshold of time to rinse with charcoal-based mouthwashes:

A. is given as two minutes

B. has not been provided to the consumer

C. is advised to be 5-7 minutes

D. should not exceed 12 minutes

3. In relation to charcoal-based mouthwashes and gingival health:

A. there is evidence of improved plaque control

B. charcoal particles easily lodge and remain in periodontal pockets

C. it remains unclear whether habitual rinsing leads to complete clearance of its charcoal particles

D. they are contra-indicated after periodontal surgery

4. This review of the literature concludes that the use of charcoal-containing mouthwashes:

A. reduces caries

B. improves halitosis

C. shows anti-periodontal effects

D. none of the above

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