Question 1

Patients considered as having a low risk for caries benefit from professionally applied fluoride products.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following liquids may be used during management of acute fluoride toxicity?

Accepted Answer

A) Apple juice 
B) Lemonade 
C) Milk 
D) Coffee 
A) Apple juice 
B) Lemonade 
C) Milk 
D) Coffee

Question 3

Some topical fluoride products are marketed as 1-minute in-office applications.Clinical trials have proved that they are as effective as the 4-minute applications.

Accepted Answer

A) Both statements are true. 
B) Both statements are false. 
C) The first statement is true,the second is false. 
D) The first statement is false,the second is true. 
A) Both statements are true. 
B) Both statements are false. 
C) The first statement is true,the second is false. 
D) The first statement is false,the second is true.

Question 4

The patient is instructed to refrain from eating or drinking for _____ minutes after professionally applied fluoride applications.

Accepted Answer

A) 4 
B) 14 
C) 30 
D) 60 
A) 4 
B) 14 
C) 30 
D) 60

Question 5

In a recent clinical trial,an essential oil mouth rinse plus brushing and flossing was

Accepted Answer

A) not found to be effective in reducing interproximal bleeding. 
B) found to be effective in reducing interproximal pocket depths. 
C) found to produce similar results to chlorhexidine at the end of 3 months of therapy. 
D) found to produce similar results to chlorhexidine at the end of 6 months of therapy. 
A) not found to be effective in reducing interproximal bleeding. 
B) found to be effective in reducing interproximal pocket depths. 
C) found to produce similar results to chlorhexidine at the end of 3 months of therapy. 
D) found to produce similar results to chlorhexidine at the end of 6 months of therapy.

Question 6

Which of the following statements is true regarding use of dentifrices in the United States?

Accepted Answer

A) Nearly 75% of all dentifrices or toothpastes available in the United States contain some form of fluoride,but the remaining 25% of these products do not. 
B) Some products contain triclosan 0.3%,as well as fluoride,but these products do not carry ADA approval for claimed effects against gingivitis. 
C) Studies have shown that children between the ages of 10 and 15 years who brush three times daily with a fluoride dentifrice showed no reduction in the decayed-missing-filled rate compared with those that only brush once a day. 
D) Children should use a pea-sized amount of toothpaste to minimize fluoride ingestion. 
A) Nearly 75% of all dentifrices or toothpastes available in the United States contain some form of fluoride,but the remaining 25% of these products do not. 
B) Some products contain triclosan 0.3%,as well as fluoride,but these products do not carry ADA approval for claimed effects against gingivitis. 
C) Studies have shown that children between the ages of 10 and 15 years who brush three times daily with a fluoride dentifrice showed no reduction in the decayed-missing-filled rate compared with those that only brush once a day. 
D) Children should use a pea-sized amount of toothpaste to minimize fluoride ingestion.

Question 7

Fluoride is thought to work by

Accepted Answer

A) interacting with mineralized tissue,including bones and teeth. 
B) acting on individual microorganisms in biofilm. 
C) functioning as an antibiotic. 
D) doing both A and B. 
E) doing both B and C. 
A) interacting with mineralized tissue,including bones and teeth. 
B) acting on individual microorganisms in biofilm. 
C) functioning as an antibiotic. 
D) doing both A and B. 
E) doing both B and C.

Question 8

Patients should rinse with chlorhexidine for 30 seconds with 15 ml of chlorhexidine _____ a day.

Accepted Answer

A) once 
B) twice 
C) three times 
D) four times 
A) once 
B) twice 
C) three times 
D) four times

Question 9

Which of the following statements is true concerning guidelines for the proper use of dental floss?

Accepted Answer

A) The patient should pull out approximately 8 inches of floss from its container. 
B) Most of the floss should be wrapped around the middle fingers until approximately 1 inch of floss remains visible. 
C) Use a gentle gliding motion and place the floss between two teeth but do not encroach on the gum line. 
D) Keep the floss taut and do not let it curve into a C-shaped curve against either tooth that forms the contact. 
A) The patient should pull out approximately 8 inches of floss from its container. 
B) Most of the floss should be wrapped around the middle fingers until approximately 1 inch of floss remains visible. 
C) Use a gentle gliding motion and place the floss between two teeth but do not encroach on the gum line. 
D) Keep the floss taut and do not let it curve into a C-shaped curve against either tooth that forms the contact.

Question 10

According to the American Dental Association (ADA),which of the following groups of adults should receive professionally applied fluoride products?

Accepted Answer

A) All adults 
B) Only adults with active caries in the last 3 years with risk factors for caries 
C) Only adults with active caries in the last 3 years without risk factors for caries 
D) Only adults without active caries in the last 3 years without risk factors for caries 
E) No adults 
A) All adults 
B) Only adults with active caries in the last 3 years with risk factors for caries 
C) Only adults with active caries in the last 3 years without risk factors for caries 
D) Only adults without active caries in the last 3 years without risk factors for caries 
E) No adults

Question 11

Which of the following agents is added to mouth rinses to function as a foaming agent that helps remove debris?

Accepted Answer

A) Alcohol 
B) Surfactants 
C) Glycerin 
D) Benzoic acid 
A) Alcohol 
B) Surfactants 
C) Glycerin 
D) Benzoic acid

Question 12

The dental hygienist should teach the patient that the best way to ensure healthy teeth and gingival tissues is to remove plaque mechanically by brushing at least twice daily and by _____ at least once a day.

Accepted Answer

A) rinsing with mouthwash 
B) flossing 
C) massaging the tissue 
D) using a toothpick 
A) rinsing with mouthwash 
B) flossing 
C) massaging the tissue 
D) using a toothpick

Question 13

For dentinal hyperalgesia (DH)to develop,the dentin must become exposed through the loss of gingival recession or enamel,and

Accepted Answer

A) the dentin tubules must be open to the oral cavity and the pulp. 
B) the tooth must be in hyperocclusion. 
C) erosion at the cervical must be present. 
D) a carious exposure of the tooth pulp must be present. 
A) the dentin tubules must be open to the oral cavity and the pulp. 
B) the tooth must be in hyperocclusion. 
C) erosion at the cervical must be present. 
D) a carious exposure of the tooth pulp must be present.

Question 14

Food _____ are less cariogenic.

Accepted Answer

A) with lower water content 
B) that stimulates saliva flow 
C) high in protein 
D) Both A and B are correct. 
E) Both B and C are correct. 
A) with lower water content 
B) that stimulates saliva flow 
C) high in protein 
D) Both A and B are correct. 
E) Both B and C are correct.

Question 15

Experts recommend that fluoride applications remain in place for

Accepted Answer

A) 30 seconds. 
B) 1 minute. 
C) 2 minutes. 
D) 4 minutes. 
A) 30 seconds. 
B) 1 minute. 
C) 2 minutes. 
D) 4 minutes.

Question 16

Professionally applied fluoride topical agents last for approximately

Accepted Answer

A) 5 to 8 weeks. 
B) 12 weeks or 3 months. 
C) 26 weeks or 6 months. 
D) 52 weeks or 1 year. 
A) 5 to 8 weeks. 
B) 12 weeks or 3 months. 
C) 26 weeks or 6 months. 
D) 52 weeks or 1 year.

Question 17

Which in-office therapy for tooth hypersensitivity lasts longest?

Accepted Answer

A) NaF 
B) SnF 
C) Oxalate 
D) Adhesive products 
A) NaF 
B) SnF 
C) Oxalate 
D) Adhesive products

Question 18

Proteins in dairy products raise pH levels and can inhibit bacterial growth.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following statements is true concerning chronic fluoride toxicity?

Accepted Answer

A) Drinking water with more than 2 ppm of fluoride can lead to fluorosis of tooth enamel during the age of tooth mineralization. 
B) Dentinal hypoplasia is the most common sign of chronic fluoride toxicity during tooth development. 
C) Color changes in tooth enamel caused by chronic fluoride toxicity are a result of hypermineralization of the outer one third of tooth enamel. 
D) Children that drink water with at least 0.6 ppm of fluoride and ingest fluoride supplements are at risk for developing chronic toxicity. 
A) Drinking water with more than 2 ppm of fluoride can lead to fluorosis of tooth enamel during the age of tooth mineralization. 
B) Dentinal hypoplasia is the most common sign of chronic fluoride toxicity during tooth development. 
C) Color changes in tooth enamel caused by chronic fluoride toxicity are a result of hypermineralization of the outer one third of tooth enamel. 
D) Children that drink water with at least 0.6 ppm of fluoride and ingest fluoride supplements are at risk for developing chronic toxicity.

Question 20

The incidence of dental caries in children had decreased from the 1970s until the mid-1990s.This decrease has been attributed to improved oral hygiene.

Accepted Answer

A) Both statements are true. 
B) Both statements are false. 
C) The first statement is true,the second is false. 
D) The first statement is false,the second is true. 
A) Both statements are true. 
B) Both statements are false. 
C) The first statement is true,the second is false. 
D) The first statement is false,the second is true.

Exam 26: Hygiene-Related Oral Disorders

Patients considered as having a low risk for caries benefit from professionally applied fluoride products.

Which of the following liquids may be used during management of acute fluoride toxicity?

Some topical fluoride products are marketed as 1-minute in-office applications.Clinical trials have proved that they are as effective as the 4-minute applications.

The patient is instructed to refrain from eating or drinking for _____ minutes after professionally applied fluoride applications.

In a recent clinical trial,an essential oil mouth rinse plus brushing and flossing was

Which of the following statements is true regarding use of dentifrices in the United States?

Fluoride is thought to work by

Patients should rinse with chlorhexidine for 30 seconds with 15 ml of chlorhexidine _____ a day.

Which of the following statements is true concerning guidelines for the proper use of dental floss?

According to the American Dental Association (ADA),which of the following groups of adults should receive professionally applied fluoride products?

Which of the following agents is added to mouth rinses to function as a foaming agent that helps remove debris?

The dental hygienist should teach the patient that the best way to ensure healthy teeth and gingival tissues is to remove plaque mechanically by brushing at least twice daily and by _____ at least once a day.

For dentinal hyperalgesia (DH)to develop,the dentin must become exposed through the loss of gingival recession or enamel,and

Food _____ are less cariogenic.

Experts recommend that fluoride applications remain in place for

Professionally applied fluoride topical agents last for approximately

Which in-office therapy for tooth hypersensitivity lasts longest?

Proteins in dairy products raise pH levels and can inhibit bacterial growth.

Which of the following statements is true concerning chronic fluoride toxicity?

The incidence of dental caries in children had decreased from the 1970s until the mid-1990s.This decrease has been attributed to improved oral hygiene.

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