Question 1

The specific group(s) of bacteria responsible for dental caries is(are):

Accepted Answer

A) staphylococci. 
B) mutans streptococci. 
C) lactobacilli. 
D) b and c. 
A) staphylococci. 
B) mutans streptococci. 
C) lactobacilli. 
D) b and c.

Question 2

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

Accepted Answer

A) It may occur without loss of tooth structure. 
B) Demineralization always causes loss of tooth structure. 
C) It is a continual process characterized by demineralization and remineralization. 
D) If more demineralization than remineralization occurs, a caries lesion develops. 
A) It may occur without loss of tooth structure. 
B) Demineralization always causes loss of tooth structure. 
C) It is a continual process characterized by demineralization and remineralization. 
D) If more demineralization than remineralization occurs, a caries lesion develops.

Question 3

Which is true regarding caries detection?

Accepted Answer

A) Research shows that a sharp explorer stick is the most effective technique for diagnosing occlusal decay. 
B) Radiographs are effective for diagnosing occlusal and proximal caries. 
C) A dark discoloration is always caries. 
D) Color change of dyes applied to the inside of a cavity preparation may indicate whether caries remain. 
A) Research shows that a sharp explorer stick is the most effective technique for diagnosing occlusal decay. 
B) Radiographs are effective for diagnosing occlusal and proximal caries. 
C) A dark discoloration is always caries. 
D) Color change of dyes applied to the inside of a cavity preparation may indicate whether caries remain.

Question 4

It is anticipated that future advances in _____ will provide dental professionals with a rapid method of assessing a patient's risk for dental caries before the patient leaves the dental chair.

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 5

The caries process requires a susceptible tooth,a diet rich in _____ and _____.

Accepted Answer

A) fermentable carbohydrates; specific bacteria 
B) fermentable carbohydrates; any bacteria 
C) fats; specific bacteria 
D) acidic food; poor oral hygiene 
A) fermentable carbohydrates; specific bacteria 
B) fermentable carbohydrates; any bacteria 
C) fats; specific bacteria 
D) acidic food; poor oral hygiene

Question 6

New restorative materials help reduce recurrent decay by bonding to the tooth surface and releasing fluoride.

Accepted Answer

A) True 
 B)False

Question 7

Laser caries detectors work by passing a beam through the tooth surface.A clean,healthy tooth will have a baseline reading of near:

Accepted Answer

A) 0. 
B) 10. 
C) 52. 
D) 100. 
A) 0. 
B) 10. 
C) 52. 
D) 100.

Question 8

The carious lesions found frequently in elderly patients are:

Accepted Answer

A) incipient lesions. 
B) rampant caries. 
C) root caries. 
D) secondary caries. 
A) incipient lesions. 
B) rampant caries. 
C) root caries. 
D) secondary caries.

Question 9

Destruction of the tooth structure is not:

Accepted Answer

A) caused by the bacterial acid released after eating a fermentable carbohydrate. 
B) increased as fermentable carbohydrates are eaten more frequently. 
C) repaired by cooked starch, such as bread, potatoes, rice, and pasta. 
D) increased as the teeth are exposed to fermentable carbohydrates more frequently. 
A) caused by the bacterial acid released after eating a fermentable carbohydrate. 
B) increased as fermentable carbohydrates are eaten more frequently. 
C) repaired by cooked starch, such as bread, potatoes, rice, and pasta. 
D) increased as the teeth are exposed to fermentable carbohydrates more frequently.

Question 10

Early childhood caries (ECC) is more prevalent in:

Accepted Answer

A) lower socioeconomic families that have limited access to care. 
B) particular ethic groups and children with special needs. 
C) children living in an area lacking water fluoridation. 
D) all of the above. 
A) lower socioeconomic families that have limited access to care. 
B) particular ethic groups and children with special needs. 
C) children living in an area lacking water fluoridation. 
D) all of the above.

Exam 13: Dental Caries

The specific group(s) of bacteria responsible for dental caries is(are):

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

Which is true regarding caries detection?

It is anticipated that future advances in _____ will provide dental professionals with a rapid method of assessing a patient's risk for dental caries before the patient leaves the dental chair.

The caries process requires a susceptible tooth,a diet rich in _____ and _____.

New restorative materials help reduce recurrent decay by bonding to the tooth surface and releasing fluoride.

Laser caries detectors work by passing a beam through the tooth surface.A clean,healthy tooth will have a baseline reading of near:

The carious lesions found frequently in elderly patients are:

Destruction of the tooth structure is not:

Early childhood caries (ECC) is more prevalent in:

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

Filters

The caries process requires a susceptible tooth,a diet rich in _ and _.