Question 1

Dental sealants replace other preventive care.

Accepted Answer

A) True 
 B)False  False

Question 2

Which is not a reason that pits and fissures are more susceptible to decay than smooth surfaces?

Accepted Answer

A) They do not benefit from the effects of fluoride. 
B) The enamel at the base of fissures is thinner. 
C) Saliva cannot clean deep pits and fissures. 
D) All are reasons pits and fissures are susceptible. 
A) They do not benefit from the effects of fluoride. 
B) The enamel at the base of fissures is thinner. 
C) Saliva cannot clean deep pits and fissures. 
D) All are reasons pits and fissures are susceptible. D

Question 3

Which is an indication for sealants?

Accepted Answer

A) Presence of small interproximal decay 
B) A partially erupted tooth 
C) Adjacent teeth with occlusal decay 
D) Patient has adequate fluoride program 
A) Presence of small interproximal decay 
B) A partially erupted tooth 
C) Adjacent teeth with occlusal decay 
D) Patient has adequate fluoride program C

Question 4

Contraindications to sealant placement include proximal decay,because:

Accepted Answer

A) proximal decay will spread to the occlusal surface. 
B) posterior proximal tooth preparation will usually include the occlusal pits and fissures. 
C) sealants are placed on smooth surfaces and the proximal area is a smooth surface. 
D) sealants are placed on smooth surfaces and the proximal area is a rough surface. 
A) proximal decay will spread to the occlusal surface. 
B) posterior proximal tooth preparation will usually include the occlusal pits and fissures. 
C) sealants are placed on smooth surfaces and the proximal area is a smooth surface. 
D) sealants are placed on smooth surfaces and the proximal area is a rough surface.

Question 5

The retention of the sealant is obtained by etching the enamel with _____,to roughen it and open the pores in enamel for penetration of the resin sealant.

Accepted Answer

A) citric acid 
B) phosphoric acid 
C) eugenol 
D) pumice 
A) citric acid 
B) phosphoric acid 
C) eugenol 
D) pumice

Question 6

Self-cured sealant materials are supplied as a two-part system that includes:

Accepted Answer

A) a base. 
B) a catalyst. 
C) filled resins. 
D) both a and b. 
A) a base. 
B) a catalyst. 
C) filled resins. 
D) both a and b.

Question 7

Utilization of sealants is only about ____% in low-income children.

Accepted Answer

A) 50 
B) 75 
C) 15 
D) 30 
A) 50 
B) 75 
C) 15 
D) 30

Question 8

The single most important factor in the success of a sealant is:

Accepted Answer

A) the type of material used. 
B) that it be properly placed. 
C) that the patient be recalled. 
D) that the child continues to brush. 
A) the type of material used. 
B) that it be properly placed. 
C) that the patient be recalled. 
D) that the child continues to brush.

Question 9

The primary reason why very few children are protected by dental sealants is:

Accepted Answer

A) they are not recommended by the American Dental Association. 
B) they have not been shown to significantly reduce decay. 
C) lack of public awareness. 
D) they are not effective for prevention of pit and fissure decay in posterior teeth. 
A) they are not recommended by the American Dental Association. 
B) they have not been shown to significantly reduce decay. 
C) lack of public awareness. 
D) they are not effective for prevention of pit and fissure decay in posterior teeth.

Question 10

Sealant material should not be stored in proximity to ____-containing products.

Accepted Answer

A) acrylate 
B) eugenol 
C) sodium bicarbonate 
D) Bis-GMA 
A) acrylate 
B) eugenol 
C) sodium bicarbonate 
D) Bis-GMA

Question 11

_______ is sometimes used before sealant application to open fissures and remove slight decay.

Accepted Answer

A) Rubber cup polishing 
B) Bristle-brush polishing 
C) Microabrasion 
D) Scaling 
A) Rubber cup polishing 
B) Bristle-brush polishing 
C) Microabrasion 
D) Scaling

Question 12

Sealants are indicated for:

Accepted Answer

A) children but not adults. 
B) posterior but not anterior teeth. 
C) the smooth surfaces of teeth but not pits and fissures. 
D) pits and fissures. 
A) children but not adults. 
B) posterior but not anterior teeth. 
C) the smooth surfaces of teeth but not pits and fissures. 
D) pits and fissures.

Question 13

If you use an air polishing device that used sodium bicarbonate for cleaning enamel prior to sealant placement,the etching step should be repeated for a second time,or _____ should be applied to the surface for 10 seconds to neutralize the sodium bicarbonate and then thoroughly rinsed off with water prior to applying the etch.

Accepted Answer

A) surgical soap 
B) chlorhexidine 
C) 3% hydrogen peroxide 
D) sodium hypochlorite 
A) surgical soap 
B) chlorhexidine 
C) 3% hydrogen peroxide 
D) sodium hypochlorite

Question 14

Properly placed dental sealants are ___% effective in protecting development of cavities in sealed tooth surfaces.

Accepted Answer

A) 70 
B) 80 
C) 90 
D) 100 
A) 70 
B) 80 
C) 90 
D) 100

Question 15

An advantage of a tinted sealant material over clear or colorless material is that it:

Accepted Answer

A) is easier to see during application. 
B) aids in recall checks for sealant retention. 
C) is stronger. 
D) both a and b. 
A) is easier to see during application. 
B) aids in recall checks for sealant retention. 
C) is stronger. 
D) both a and b.

Question 16

Enamel that has been etched has the appearance of being:

Accepted Answer

A) shiny. 
B) frosty. 
C) wet. 
D) slightly yellow. 
A) shiny. 
B) frosty. 
C) wet. 
D) slightly yellow.

Question 17

What is the claimed benefit of fluoride-released sealant materials?

Accepted Answer

A) They are of no value. 
B) They create a fluoride-rich layer that may make pits and fissures more resistant to decay. 
C) They aid in rematerializing incipient decay. 
D) Both b and c are benefits. 
A) They are of no value. 
B) They create a fluoride-rich layer that may make pits and fissures more resistant to decay. 
C) They aid in rematerializing incipient decay. 
D) Both b and c are benefits.

Question 18

Filled sealant resins,as compared with unfilled:

Accepted Answer

A) require occlusal adjustment. 
B) have a lower wear rate. 
C) may be visible on x-rays. 
D) all of the above. 
A) require occlusal adjustment. 
B) have a lower wear rate. 
C) may be visible on x-rays. 
D) all of the above.

Question 19

_____ can be used in interproximal spaces to prevent the etchant from contacting adjacent teeth during the etching procedure.

Accepted Answer

A) Dental floss 
B) Wedges 
C) Mylar strips 
D) Any of the above 
A) Dental floss 
B) Wedges 
C) Mylar strips 
D) Any of the above

Question 20

Which of the following indicates a sealant may have to be replaced or adjusted?

Accepted Answer

A) The explore catches. 
B) Floss does not easily pass through contact. 
C) The shine is not even. 
D) All of the above are indications. 
A) The explore catches. 
B) Floss does not easily pass through contact. 
C) The shine is not even. 
D) All of the above are indications.

Exam 59: Dental Sealants

Dental sealants replace other preventive care.

Which is not a reason that pits and fissures are more susceptible to decay than smooth surfaces?

Which is an indication for sealants?

Contraindications to sealant placement include proximal decay,because:

The retention of the sealant is obtained by etching the enamel with _____,to roughen it and open the pores in enamel for penetration of the resin sealant.

Self-cured sealant materials are supplied as a two-part system that includes:

Utilization of sealants is only about ____% in low-income children.

The single most important factor in the success of a sealant is:

The primary reason why very few children are protected by dental sealants is:

Sealant material should not be stored in proximity to ____-containing products.

_______ is sometimes used before sealant application to open fissures and remove slight decay.

Sealants are indicated for:

Properly placed dental sealants are ___% effective in protecting development of cavities in sealed tooth surfaces.

An advantage of a tinted sealant material over clear or colorless material is that it:

Enamel that has been etched has the appearance of being:

What is the claimed benefit of fluoride-released sealant materials?

Filled sealant resins,as compared with unfilled:

_____ can be used in interproximal spaces to prevent the etchant from contacting adjacent teeth during the etching procedure.

Which of the following indicates a sealant may have to be replaced or adjusted?

History of Dentistry

The Professional Dental Assistant

The Dental Healthcare Team

Dental Ethics

Dentistry and the Law

General Anatomy

General Physiology

Oral Embryology and Histology

Head and Neck Anatomy

Landmarks of the Face and Oral Cavity

Overview of the Dentitions

Tooth Morphology

Dental Caries

Periodontal Disease

Preventive Dentistry

Nutrition

Oral Pathology

Microbiology

Disease Transmission and Infection Prevention

Principles and Techniques of Disinfection

Principles and Techniques of Instrument Processing and Sterilization

Regulatory and Advisory Agencies

Chemical and Waste Management

Dental Unit Waterlines

Ergonomics

The Patient Record

Vital Signs

Oral Diagnosis and Treatment Planning

The Special Needs and Medically Compromised Patient

Principles of Pharmacology

Assisting in a Medical Emergency

The Dental Office

Delivering Dental Care

Dental Hand Instruments

Dental Handpieces and Accessories

Moisture Control

Anesthesia and Pain Control

Foundations of Radiography, Radiographic Equipment, and Radiation Safety

Digital Imaging, Dental Film, and Processing Radiographs

Legal Issues, Quality Assurance, and Infection Prevention

Intraoral Imaging

Extraoral Imaging

Restorative and Esthetic Dental Materials

Dental Liners, Bases, and Bonding Systems

Dental Cements

Impression Materials

Laboratory Materials and Procedures

General Dentistry

Matrix Systems for Restorative Dentistry

Fixed Prosthodontics

Provisional Coverage

Removable Prosthodontics

Dental Implants

Endodontics

Periodontics

Oral and Maxillofacial Surgery

Pediatric Dentistry

Coronal Polishing

Orthodontics

Communication in the Dental Office