NBDHE Patient Education and Preventive Dentistry

Question 1

Which fluoride concentration is found in most prescription-strength fluoride toothpastes recommended for high-caries-risk patients?

Accepted Answer

5,000 ppm

Answer

1,000 ppm

Answer

1,100 ppm

Answer

2,500 ppm

Question 2

The Bass toothbrushing technique is most effective for removing plaque from which area?

Accepted Answer

Gingival sulcus and cervical third

Answer

Occlusal surfaces

Answer

Interproximal contacts

Answer

Posterior lingual surfaces

Question 3

Which oral hygiene aid is MOST recommended for a patient with wide interproximal spaces and exposed root furcations?

Accepted Answer

Interdental brush

Answer

Dental floss

Answer

Floss threader

Answer

Toothpick

Question 4

What is the recommended daily fluoride intake upper limit (tolerable upper intake) for adults to avoid chronic fluoride toxicity?

Accepted Answer

10 mg/day

Answer

2 mg/day

Answer

5 mg/day

Answer

20 mg/day

Question 5

Primary prevention of dental caries is best achieved by:

Accepted Answer

Community water fluoridation and daily fluoride use

Answer

Placing sealants on cavitated lesions

Answer

Fluoride supplementation to reduce existing decay

Answer

Performing restorations before lesions progress

Question 6

Which dietary sugar has the highest cariogenic potential due to its preferential use by Streptococcus mutans?

Accepted Answer

Sucrose

Answer

Fructose

Answer

Lactose

Answer

Xylitol