Question 1

Sealants are indicated for which areas?

Accepted Answer

A) Cervical one third of any tooth 
B) Posterior but not anterior teeth 
C) The smooth surfaces of teeth but not pits and fissures 
D) Pits and fissures 
A) Cervical one third of any tooth 
B) Posterior but not anterior teeth 
C) The smooth surfaces of teeth but not pits and fissures 
D) Pits and fissures D

Question 2

What is an advantage of a tinted sealant material over clear or colorless material?

Accepted Answer

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

Question 3

The highest risk period for decay occurs within the first ___ years of eruption.

Accepted Answer

A) 3 
B) 5 
C) 7 
D) 9 
A) 3 
B) 5 
C) 7 
D) 9 A

Question 4

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 5

The retention of the sealant is obtained by etching the enamel with what?

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 what components?

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

What is the most common cause of sealant loss?

Accepted Answer

A) Use of unfilled material 
B) Use of outdated material 
C) Moisture contamination during placement 
D) Chewing gum or sticky candy 
A) Use of unfilled material 
B) Use of outdated material 
C) Moisture contamination during placement 
D) Chewing gum or sticky candy

Question 8

Which statement represents 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

Question 9

The first step in placing dental sealants is to _____ the surface.

Accepted Answer

A) etch 
B) isolate 
C) clean 
D) prime 
A) etch 
B) isolate 
C) clean 
D) prime

Question 10

What is the primary reason that few children are protected by dental sealants?

Accepted Answer

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

Question 11

Which statement describes why 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.

Question 12

Sealants are used in only ____% of low-income children.

Accepted Answer

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

Question 13

Dental sealants replace other preventive care.

Accepted Answer

A) True 
 B)False

Question 14

Which situation indicates that 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.

Question 15

Which statement is correct regarding a properly placed sealant over small initial carious lesions?

Accepted Answer

A) The decay will continue to develop under the sealant. 
B) Bacteria can survive under a sealant. 
C) The number of bacteria in small carious lesions decreases over time. 
D) The number of bacteria in small carious lesions increases over time. 
A) The decay will continue to develop under the sealant. 
B) Bacteria can survive under a sealant. 
C) The number of bacteria in small carious lesions decreases over time. 
D) The number of bacteria in small carious lesions increases over time.

Question 16

Which teeth would be the most likely candidates for sealants?

Accepted Answer

A) Premolars 
B) Teeth that are well coalesced 
C) Teeth that have been erupted for 6 years 
D) Primary molars with deep pits and fissures 
A) Premolars 
B) Teeth that are well coalesced 
C) Teeth that have been erupted for 6 years 
D) Primary molars with deep pits and fissures

Question 17

Which technique 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 18

Which type of sealant is polymerized by chemical reaction?

Accepted Answer

A) Cold-cured 
B) Light-cured 
C) Self-cured 
D) Dual-cured 
A) Cold-cured 
B) Light-cured 
C) Self-cured 
D) Dual-cured

Question 19

Which statement is correct when comparing filled sealant material with unfilled sealant material?

Accepted Answer

A) It requires occlusal adjustment. 
B) It has a lower wear rate. 
C) It may be visible on radiographs. 
D) All of the above are correct statements. 
A) It requires occlusal adjustment. 
B) It has a lower wear rate. 
C) It may be visible on radiographs. 
D) All of the above are correct statements.

Question 20

Which technique error most commonly leads to sealant failure?

Accepted Answer

A) Moisture 
B) Fail to cure properly 
C) Not using enough material 
D) Using too much material 
A) Moisture 
B) Fail to cure properly 
C) Not using enough material 
D) Using too much material

Exam 59: Dental Sealants

Sealants are indicated for which areas?

What is an advantage of a tinted sealant material over clear or colorless material?

The highest risk period for decay occurs within the first ___ years of eruption.

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

The retention of the sealant is obtained by etching the enamel with what?

Self-cured sealant materials are supplied as a two-part system that includes what components?

What is the most common cause of sealant loss?

Which statement represents an indication for sealants?

The first step in placing dental sealants is to _____ the surface.

What is the primary reason that few children are protected by dental sealants?

Which statement describes why pits and fissures are more susceptible to decay than smooth surfaces?

Sealants are used in only ____% of low-income children.

Dental sealants replace other preventive care.

Which situation indicates that a sealant may have to be replaced or adjusted?

Which statement is correct regarding a properly placed sealant over small initial carious lesions?

Which teeth would be the most likely candidates for sealants?

Which technique is sometimes used before sealant application to open fissures and remove slight decay?

Which type of sealant is polymerized by chemical reaction?

Which statement is correct when comparing filled sealant material with unfilled sealant material?

Which technique error most commonly leads to sealant failure?

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