Question 1

What is the oxygen-inhibited layer on cured dental sealant?

Accepted Answer

The oxygen-inhibited layer is a thin fil

Question 2

Which of the following is the worst type of sealant failure?

Accepted Answer

A)  All of the sealant is lost. 
B)  Part of the sealant is lost. 
C)  The sealant remains in place but leaks. 
D)  Too much sealant is placed,resulting in excess material in the contact between adjacent teeth. 
A)  All of the sealant is lost. 
B)  Part of the sealant is lost. 
C)  The sealant remains in place but leaks. 
D)  Too much sealant is placed,resulting in excess material in the contact between adjacent teeth.

Question 3

Which of the following is the most commonly noted side effect of the use of chlorhexidine gluconate as an antibacterial mouth rinse?

Accepted Answer

A)  Leukoplakia 
B)  Brown stain 
C)  Geographic tongue 
D)  Median rhomboid glossitis 
A)  Leukoplakia 
B)  Brown stain 
C)  Geographic tongue 
D)  Median rhomboid glossitis

Question 4

Which of the following is true of the oxygen-inhibited layer on cured dental sealant?

Accepted Answer

A)  It is the most thoroughly cured portion because it is closest to the curing light. 
B)  It occurs because the set of the resin at its surface is inhibited by contact with oxygen in the air. 
C)  It contains bisphenol,an estrogen-like chemical associated with precocious puberty. 
D)  It allows the clinician to see and detect the presence of the sealant. 
A)  It is the most thoroughly cured portion because it is closest to the curing light. 
B)  It occurs because the set of the resin at its surface is inhibited by contact with oxygen in the air. 
C)  It contains bisphenol,an estrogen-like chemical associated with precocious puberty. 
D)  It allows the clinician to see and detect the presence of the sealant.

Question 5

Which permanent teeth are most susceptible to caries?

Accepted Answer

A)  Upper and lower first premolars 
B)  Upper and lower second premolars 
C)  Maxillary molars 
D)  Mandibular molars 
A)  Upper and lower first premolars 
B)  Upper and lower second premolars 
C)  Maxillary molars 
D)  Mandibular molars

Question 6

Match the items with the correct description below.
-In-office fluoride application directly to the teeth

Accepted Answer

A) Acidulated phosphate fluoride (APF) 
B) Neutral sodium fluoride (NaF) 
C) 1.1% Neutral sodium fluoride 5000 ppm restorations made of porcelain,composite fluoride 
D) 0.4% Stannous fluoride 900 ppm fluoride 
E) Fluoride varnish 5.0% sodium fluoride than the other choice of self-applied topical gel 
A) Acidulated phosphate fluoride (APF) 
B) Neutral sodium fluoride (NaF) 
C) 1.1% Neutral sodium fluoride 5000 ppm restorations made of porcelain,composite fluoride 
D) 0.4% Stannous fluoride 900 ppm fluoride 
E) Fluoride varnish 5.0% sodium fluoride than the other choice of self-applied topical gel

Question 7

What is the wet,uncured surface of a cured composite resin called?

Accepted Answer

A)  Biofilm 
B)  Hybrid layer 
C)  Surface layer 
D)  Oxygen-inhibited layer 
A)  Biofilm 
B)  Hybrid layer 
C)  Surface layer 
D)  Oxygen-inhibited layer

Question 8

Which of the following would not be considered a topical fluoride application?

Accepted Answer

A)  Daily mouth rinse 
B)  Vitamin with fluoride 
C)  Fluoridated toothpaste 
D)  6-month in-office application 
A)  Daily mouth rinse 
B)  Vitamin with fluoride 
C)  Fluoridated toothpaste 
D)  6-month in-office application

Question 9

When could fluorosis occur?

Accepted Answer

A)  When children swallow toothpaste 
B)  When breast-fed babies are not supplemented 
C)  When there is not enough fluoride in the water 
A)  When children swallow toothpaste 
B)  When breast-fed babies are not supplemented 
C)  When there is not enough fluoride in the water

Question 10

Match the items with the correct description below.
-Used more often with children for in-office fluoride applications using a tray 9000 ppm fluoride

Accepted Answer

A) Acidulated phosphate fluoride (APF) 
B) Neutral sodium fluoride (NaF) 
C) 1.1% Neutral sodium fluoride 5000 ppm restorations made of porcelain,composite fluoride 
D) 0.4% Stannous fluoride 900 ppm fluoride 
E) Fluoride varnish 5.0% sodium fluoride than the other choice of self-applied topical gel 
A) Acidulated phosphate fluoride (APF) 
B) Neutral sodium fluoride (NaF) 
C) 1.1% Neutral sodium fluoride 5000 ppm restorations made of porcelain,composite fluoride 
D) 0.4% Stannous fluoride 900 ppm fluoride 
E) Fluoride varnish 5.0% sodium fluoride than the other choice of self-applied topical gel

Question 11

In conjunction with fluoride,which product would aid in tooth remineralization?

Accepted Answer

A)  Phenolic compounds 
B)  Chlorhexidine 
C)  Essential oils 
D)  Antibiotics 
A)  Phenolic compounds 
B)  Chlorhexidine 
C)  Essential oils 
D)  Antibiotics

Question 12

Which of the following are true concerning fluoride and bacterial inhibition?
1)The fluoride ion freely crosses the bacterial cell wall.
2)Some of the fluoride present in plaque fluid combines with the hydrogen ion of the acid to become hydrofluoric acid.
3)Hydrofluoric acid diffuses into the cell.
4)Once in the acid cytoplasm of the cell,the hydrofluoric acid separates into the fluoride ion and the hydrogen ion.

Accepted Answer

A)  1,2,3,4 
B)  1,2,3 
C)  2,3 
D)  1,4 
A)  1,2,3,4 
B)  1,2,3 
C)  2,3 
D)  1,4

Question 13

Which of the following would be a likely cause of sealant failure?

Accepted Answer

A)  Plaque deep in the grooves 
B)  Rubber dam application 
C)  Moisture on the tooth 
D)  Demineralization 
A)  Plaque deep in the grooves 
B)  Rubber dam application 
C)  Moisture on the tooth 
D)  Demineralization

Question 14

What is the proper order for the steps of applying sealant?

Accepted Answer

A)  Etch,clean,cure,seal 
B)  Clean,etch,seal,cure 
C)  Etch,seal,cure,clean 
D)  Clean,seal,cure,etch 
A)  Etch,clean,cure,seal 
B)  Clean,etch,seal,cure 
C)  Etch,seal,cure,clean 
D)  Clean,seal,cure,etch

Question 15

Which factor would contraindicate dental sealants?

Accepted Answer

A)  Deep,uncoalesced grooves 
B)  Shallow,well-coalesced grooves 
C)  Adult patients with high caries risk 
A)  Deep,uncoalesced grooves 
B)  Shallow,well-coalesced grooves 
C)  Adult patients with high caries risk

Question 16

Match the items with the correct description below.
-Acid tends to etch the surface of resin,glass ionomer,or compomer when used for in-office fluoride application

Accepted Answer

A) Acidulated phosphate fluoride (APF) 
B) Neutral sodium fluoride (NaF) 
C) 1.1% Neutral sodium fluoride 5000 ppm restorations made of porcelain,composite fluoride 
D) 0.4% Stannous fluoride 900 ppm fluoride 
E) Fluoride varnish 5.0% sodium fluoride than the other choice of self-applied topical gel 
A) Acidulated phosphate fluoride (APF) 
B) Neutral sodium fluoride (NaF) 
C) 1.1% Neutral sodium fluoride 5000 ppm restorations made of porcelain,composite fluoride 
D) 0.4% Stannous fluoride 900 ppm fluoride 
E) Fluoride varnish 5.0% sodium fluoride than the other choice of self-applied topical gel

Question 17

Which of the following desensitizing agents is thought to work by passing through the dentinal tubules to the pulp and acting directly on the nerve?

Accepted Answer

A)  Fluoride compounds in toothpastes,gels,or solutions 
B)  Ferric or potassium oxalate solutions 
C)  Chemical solutions containing resin 
D)  Potassium citrate 
A)  Fluoride compounds in toothpastes,gels,or solutions 
B)  Ferric or potassium oxalate solutions 
C)  Chemical solutions containing resin 
D)  Potassium citrate

Question 18

Which of the following causes of tooth sensitivity may be successfully treated with a desensitizing agent?

Accepted Answer

A)  Dental caries 
B)  A cracked tooth 
C)  A leaking restoration 
D)  Exposed dentinal tubules 
A)  Dental caries 
B)  A cracked tooth 
C)  A leaking restoration 
D)  Exposed dentinal tubules

What is the oxygen-inhibited layer on cured dental sealant?

Which of the following is the worst type of sealant failure?

Which of the following is the most commonly noted side effect of the use of chlorhexidine gluconate as an antibacterial mouth rinse?

Which of the following is true of the oxygen-inhibited layer on cured dental sealant?

Which permanent teeth are most susceptible to caries?

Match the items with the correct description below. -In-office fluoride application directly to the teeth

What is the wet,uncured surface of a cured composite resin called?

Which of the following would not be considered a topical fluoride application?

When could fluorosis occur?

Match the items with the correct description below. -Used more often with children for in-office fluoride applications using a tray 9000 ppm fluoride

In conjunction with fluoride,which product would aid in tooth remineralization?

Which of the following would be a likely cause of sealant failure?

What is the proper order for the steps of applying sealant?

Which factor would contraindicate dental sealants?

Match the items with the correct description below. -Acid tends to etch the surface of resin,glass ionomer,or compomer when used for in-office fluoride application

Which of the following desensitizing agents is thought to work by passing through the dentinal tubules to the pulp and acting directly on the nerve?

Which of the following causes of tooth sensitivity may be successfully treated with a desensitizing agent?

Introduction to Dental Materials

Oral Environment and Patient Considerations

Physical and Mechanical Properties of Dental Materials

General Handling and Safety of Dental Materials in the Dental Office

Principles of Bonding

Composites, glass Ionomers, and Compomers

Teeth Whitening Materials and Procedures

Dental Ceramics

Dental Amalgam

Casting Metals, solders, and Wrought Metal Alloys

Dental Implants

Abrasion, finishing, and Polishing

Dental Cement

Impression Materials

Gypsum and Wax Products

Polymers for Prosthetic Dentistry

Provisional Restorations

Preventive and Corrective Oral Appliances

Filters

Exam 7: Preventive and Desensitizing Materials

What is the oxygen-inhibited layer on cured dental sealant?

Which of the following is the worst type of sealant failure?

Which of the following is the most commonly noted side effect of the use of chlorhexidine gluconate as an antibacterial mouth rinse?

Which of the following is true of the oxygen-inhibited layer on cured dental sealant?

Which permanent teeth are most susceptible to caries?

Match the items with the correct description below. -In-office fluoride application directly to the teeth

What is the wet,uncured surface of a cured composite resin called?

Which of the following would not be considered a topical fluoride application?

When could fluorosis occur?

Match the items with the correct description below. -Used more often with children for in-office fluoride applications using a tray 9000 ppm fluoride

In conjunction with fluoride,which product would aid in tooth remineralization?

Which of the following would be a likely cause of sealant failure?

What is the proper order for the steps of applying sealant?

Which factor would contraindicate dental sealants?

Match the items with the correct description below. -Acid tends to etch the surface of resin,glass ionomer,or compomer when used for in-office fluoride application

Which of the following desensitizing agents is thought to work by passing through the dentinal tubules to the pulp and acting directly on the nerve?

Which of the following causes of tooth sensitivity may be successfully treated with a desensitizing agent?

Introduction to Dental Materials

Oral Environment and Patient Considerations

Physical and Mechanical Properties of Dental Materials

General Handling and Safety of Dental Materials in the Dental Office

Principles of Bonding

Composites, glass Ionomers, and Compomers

Teeth Whitening Materials and Procedures

Dental Ceramics

Dental Amalgam

Casting Metals, solders, and Wrought Metal Alloys

Dental Implants

Abrasion, finishing, and Polishing

Dental Cement

Impression Materials

Gypsum and Wax Products

Polymers for Prosthetic Dentistry

Provisional Restorations

Preventive and Corrective Oral Appliances

Filters