Question 1

Bacteria in dental plaque feed on fermentable carbohydrates,including all but which of the following?

Accepted Answer

A) Sugars 
B) Cooked starch 
C) Protein and fats 
D) Fruit sugar 
A) Sugars 
B) Cooked starch 
C) Protein and fats 
D) Fruit sugar

Question 2

A DIAGNOdent reading of 10 to 15 indicates which actions?

Accepted Answer

A) No action 
B) Preventive therapy 
C) Sealants 
D) Preparation 
A) No action 
B) Preventive therapy 
C) Sealants 
D) Preparation

Question 3

The study of cariology includes the causes of dental caries,process of caries development,and:

Accepted Answer

A) fabrication of dentures and removable partial dentures. 
B) restoration of dental caries with direct materials such as silver amalgam or composite resin. 
C) restoration of dental caries with indirect materials such as porcelain or gold. 
D) science and practice of caries management and prevention. 
A) fabrication of dentures and removable partial dentures. 
B) restoration of dental caries with direct materials such as silver amalgam or composite resin. 
C) restoration of dental caries with indirect materials such as porcelain or gold. 
D) science and practice of caries management and prevention.

Question 4

Which is not true about the process of demineralization and remineralization?

Accepted Answer

A) Demineralization and remineralization may occur without loss of tooth structure. 
B) Demineralization and remineralization always causes loss of tooth structure. 
C) Caries is an ongoing process characterized by alternating periods of demineralization and remineralization. 
D) Caries develops if more demineralization than remineralization occurs. 
A) Demineralization and remineralization may occur without loss of tooth structure. 
B) Demineralization and remineralization always causes loss of tooth structure. 
C) Caries is an ongoing process characterized by alternating periods of demineralization and remineralization. 
D) Caries develops if more demineralization than remineralization occurs.

Question 5

Chewing one stick of xylitol gum three times a day will help to do all except:

Accepted Answer

A) increase salivary flow. 
B) assist in the remineralization of tooth surfaces. 
C) replace interproximal plaque disruption with floss. 
D) neutralize mouth acids. 
A) increase salivary flow. 
B) assist in the remineralization of tooth surfaces. 
C) replace interproximal plaque disruption with floss. 
D) neutralize mouth acids.

Question 6

A clean,healthy tooth will have little or no fluorescence when a laser caries detector is used,resulting in ______ readings.

Accepted Answer

A) very low 
B) moderately low 
C) moderately high 
D) very high 
A) very low 
B) moderately low 
C) moderately high 
D) very high

Question 7

Advances in which of the following areas will provide dental professionals with a rapid method of assessing a patient's risk for dental caries?

Accepted Answer

A) Esthetic restorative materials 
B) Dental explorer metallurgy 
C) Molecular biology 
D) Cavity preparation design 
A) Esthetic restorative materials 
B) Dental explorer metallurgy 
C) Molecular biology 
D) Cavity preparation design

Question 8

Which of the following can slow or prevent the caries process?

Accepted Answer

A) Eating more carbohydrates 
B) Taking antibiotics 
C) Increasing salivary flow 
D) Using a saltwater rinse 
A) Eating more carbohydrates 
B) Taking antibiotics 
C) Increasing salivary flow 
D) Using a saltwater rinse

Question 9

_______ occurs when calcium and phosphate dissolve from hydroxyapatite crystals in the enamel.

Accepted Answer

A) Decay 
B) Demineralization 
C) Remineralization 
D) Calcium depletion 
A) Decay 
B) Demineralization 
C) Remineralization 
D) Calcium depletion

Question 10

Which of the following group(s)of bacteria are responsible for dental caries?

Accepted Answer

A) Staphylococci 
B) Mutans streptococci and lactobacilli 
C) Bacilli 
D) Spirochetes 
A) Staphylococci 
B) Mutans streptococci and lactobacilli 
C) Bacilli 
D) Spirochetes

Exam 13: Dental Caries

Bacteria in dental plaque feed on fermentable carbohydrates,including all but which of the following?

A DIAGNOdent reading of 10 to 15 indicates which actions?

The study of cariology includes the causes of dental caries,process of caries development,and:

Which is not true about the process of demineralization and remineralization?

Chewing one stick of xylitol gum three times a day will help to do all except:

A clean,healthy tooth will have little or no fluorescence when a laser caries detector is used,resulting in ______ readings.

Advances in which of the following areas will provide dental professionals with a rapid method of assessing a patient's risk for dental caries?

Which of the following can slow or prevent the caries process?

_______ occurs when calcium and phosphate dissolve from hydroxyapatite crystals in the enamel.

Which of the following group(s)of bacteria are responsible for dental caries?

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

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

Dental Sealants

Orthodontics

Communication in the Dental Office

Business Operating Systems

Financial Management in the Dental Office

Marketing Your Skills

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