Question 1

To avoid injury,the rubber polishing cup is directed ______ the gingival third and pressed ______ against the tooth surface.

Accepted Answer

A) toward; lightly 
B) away from; lightly 
C) toward; firmly 
D) toward; Lightly 
A) toward; lightly 
B) away from; lightly 
C) toward; firmly 
D) toward; Lightly

Question 2

Which of the following choices represents an endogenous stain?

Accepted Answer

A) An excessive amount of fluoride during the development of the tooth 
B) Blueberries 
C) Dental amalgam that has been incorporated into tooth structure 
D) Coffee 
A) An excessive amount of fluoride during the development of the tooth 
B) Blueberries 
C) Dental amalgam that has been incorporated into tooth structure 
D) Coffee

Question 3

The rubber cup should be held:

Accepted Answer

A) flat against the tooth. 
B) at a 45-degree angle against the tooth. 
C) on each tooth for 10 seconds. 
D) both a and c. 
A) flat against the tooth. 
B) at a 45-degree angle against the tooth. 
C) on each tooth for 10 seconds. 
D) both a and c.

Question 4

The purpose of a fulcrum is to provide:

Accepted Answer

A) pressure to the fingers. 
B) better retraction. 
C) stability to the hand. 
D) movement for the arm. 
A) pressure to the fingers. 
B) better retraction. 
C) stability to the hand. 
D) movement for the arm.

Question 5

The purpose of selective polishing is to polish only the:

Accepted Answer

A) teeth that are visible. 
B) occlusal surface of the teeth. 
C) teeth that have stains. 
D) facial surfaces of teeth. 
A) teeth that are visible. 
B) occlusal surface of the teeth. 
C) teeth that have stains. 
D) facial surfaces of teeth.

Question 6

What damage can result from using the prophy angle at a high speed?

Accepted Answer

A) It can cause frictional heat that can damage the tooth. 
B) It can remove dentin. 
C) It can cause frictional heat that can burn the gingiva. 
D) Both a and c can result. 
A) It can cause frictional heat that can damage the tooth. 
B) It can remove dentin. 
C) It can cause frictional heat that can burn the gingiva. 
D) Both a and c can result.

Question 7

A stain that is dull and yellowish/brown in color is caused by:

Accepted Answer

A) cigarettes or cigars. 
B) inadequate toothpaste or poor hygiene. 
C) tetracycline. 
D) all of the above. 
A) cigarettes or cigars. 
B) inadequate toothpaste or poor hygiene. 
C) tetracycline. 
D) all of the above.

Question 8

_____ polishing paste is recommended for use on filled hybrid composites and resin restorations.

Accepted Answer

A) Regular prophy 
B) Micron-fine sapphire 
C) Diamond 
D) Aluminum oxide 
A) Regular prophy 
B) Micron-fine sapphire 
C) Diamond 
D) Aluminum oxide

Question 9

Options available if stains cannot be removed include:

Accepted Answer

A) tooth whitening. 
B) cosmetic restoration. 
C) laminate veneers. 
D) all of the above. 
A) tooth whitening. 
B) cosmetic restoration. 
C) laminate veneers. 
D) all of the above.

Question 10

Disclosing agent can be used for:

Accepted Answer

A) identifying areas of plaque. 
B) evaluating the effectiveness of the polishing. 
C) showing intrinsic stain. 
D) both a and b. 
A) identifying areas of plaque. 
B) evaluating the effectiveness of the polishing. 
C) showing intrinsic stain. 
D) both a and b.

Question 11

Coronal polishing is a technique:

Accepted Answer

A) that is a substitute for an oral prophylaxis. 
B) used to remove calculus, debris, stain, and plaque from teeth. 
C) used to remove plaque and stains from the coronal surfaces of the teeth. 
D) that can be performed by any dental assistant. 
A) that is a substitute for an oral prophylaxis. 
B) used to remove calculus, debris, stain, and plaque from teeth. 
C) used to remove plaque and stains from the coronal surfaces of the teeth. 
D) that can be performed by any dental assistant.

Question 12

______ polishing refers to polishing root surfaces that have been exposed during periodontal surgery.

Accepted Answer

A) Root 
B) Apical 
C) Therapeutic 
D) Coronal 
A) Root 
B) Apical 
C) Therapeutic 
D) Coronal

Question 13

The air-polishing technique uses a specially designed handpiece,with a nozzle that delivers a high-pressure stream of warm water and:

Accepted Answer

A) calcium tungstate. 
B) calcium hydroxide. 
C) sodium hypochlorite. 
D) sodium bicarbonate. 
A) calcium tungstate. 
B) calcium hydroxide. 
C) sodium hypochlorite. 
D) sodium bicarbonate.

Question 14

When using a bristle brush,the brush should be:

Accepted Answer

A) rotating rapidly before touching the tooth surface. 
B) applied lightly to the tooth surface while revolving at the lowest speed. 
C) placed on the tooth while not rotating, and then rotated slowly. 
D) placed on the tooth while not rotating, and then rotated in a reverse direction. 
A) rotating rapidly before touching the tooth surface. 
B) applied lightly to the tooth surface while revolving at the lowest speed. 
C) placed on the tooth while not rotating, and then rotated slowly. 
D) placed on the tooth while not rotating, and then rotated in a reverse direction.

Question 15

Polishing agents are available as commercial premixed pastes or as powders mixed with water or mouthwash to form a(n) _____ used on the polishing cup.

Accepted Answer

A) emulsion 
B) slurry 
C) cellulitis 
D) mandrel 
A) emulsion 
B) slurry 
C) cellulitis 
D) mandrel

Question 16

An oral prophylaxis includes:

Accepted Answer

A) fluoride treatment. 
B) removal of calculus and debris. 
C) examination. 
D) removal of decay. 
A) fluoride treatment. 
B) removal of calculus and debris. 
C) examination. 
D) removal of decay.

Question 17

The ______ stain found on some children's teeth may be from poor hygiene and the fungi that are retained in bacterial plaque.

Accepted Answer

A) black 
B) green 
C) orange 
D) red 
A) black 
B) green 
C) orange 
D) red

Exam 58: Coronal Polishing

To avoid injury,the rubber polishing cup is directed ______ the gingival third and pressed ______ against the tooth surface.

Which of the following choices represents an endogenous stain?

The rubber cup should be held:

The purpose of a fulcrum is to provide:

The purpose of selective polishing is to polish only the:

What damage can result from using the prophy angle at a high speed?

A stain that is dull and yellowish/brown in color is caused by:

_____ polishing paste is recommended for use on filled hybrid composites and resin restorations.

Options available if stains cannot be removed include:

Disclosing agent can be used for:

Coronal polishing is a technique:

______ polishing refers to polishing root surfaces that have been exposed during periodontal surgery.

The air-polishing technique uses a specially designed handpiece,with a nozzle that delivers a high-pressure stream of warm water and:

When using a bristle brush,the brush should be:

Polishing agents are available as commercial premixed pastes or as powders mixed with water or mouthwash to form a(n) _____ used on the polishing cup.

An oral prophylaxis includes:

The ______ stain found on some children's teeth may be from poor hygiene and the fungi that are retained in bacterial plaque.

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

Dental Sealants

Orthodontics

Communication in the Dental Office

Business Operating Systems

Financial Management in the Dental Office

To avoid injury,the rubber polishing cup is directed the gingival third and pressed against the tooth surface.