Question 1

What does air-powder polishing remove?

Accepted Answer

A) Supragingival plaque 
B) Subgingival plaque 
C) Supragingival stain 
D) Subgingival calculus 
A) Supragingival plaque 
B) Subgingival plaque 
C) Supragingival stain 
D) Subgingival calculus

Question 2

Exogenous stains are caused by environmental sources and are classified into subdivisions,including which of the following?

Accepted Answer

A) Intrinsic stains 
B) Endogenous stains 
C) Extrinsic stains 
D) Both a and c 
A) Intrinsic stains 
B) Endogenous stains 
C) Extrinsic stains 
D) Both a and c

Question 3

Which of the following represents an endogenous stain?

Accepted Answer

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

Question 4

What type of stain,found on some children's teeth,can be caused by 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

Question 5

What is the purpose of a fulcrum?

Accepted Answer

A) To put pressure to the fingers 
B) To provide better retraction 
C) To provide stability for the operator's hand 
D) To provide movement for the arm 
A) To put pressure to the fingers 
B) To provide better retraction 
C) To provide stability for the operator's hand 
D) To provide movement for the arm

Question 6

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 7

Recommended polishing pastes have _____ polish and _____ abrasion levels.

Accepted Answer

A) high; high 
B) high; low 
C) low; high 
D) low; low 
A) high; high 
B) high; low 
C) low; high 
D) low; low

Question 8

A _____ is a point of support that works as a lever for movement.

Accepted Answer

A) fulcrum 
B) pen grasp 
C) handpiece 
D) mouth prop 
A) fulcrum 
B) pen grasp 
C) handpiece 
D) mouth prop

Question 9

______ 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 10

Which statement is not a negative effect of coronal polishing?

Accepted Answer

A) Dentinal hypersensitivity during and after the appointment 
B) Loss of enamel 
C) Scratches or rough surfaces left on restorations 
D) Decreased fluoride uptake 
A) Dentinal hypersensitivity during and after the appointment 
B) Loss of enamel 
C) Scratches or rough surfaces left on restorations 
D) Decreased fluoride uptake

Question 11

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 12

Which statement is correct about polishing cups?

Accepted Answer

A) They remove stain from the clinical crowns of teeth. 
B) They are made from gutta-percha. 
C) They are rotated rapidly to remove stain from teeth. 
D) They are available in a synthetic material for patients with latex allergies. 
A) They remove stain from the clinical crowns of teeth. 
B) They are made from gutta-percha. 
C) They are rotated rapidly to remove stain from teeth. 
D) They are available in a synthetic material for patients with latex allergies.

Question 13

Which of the following statements is not true in regards to coronal polishing?

Accepted Answer

A) Each tooth should be polished for 3 to 5 seconds. 
B) Use approximately one cupful of polishing agent for every three or four teeth 
C) The intermittent pressure should be enough to cause the edges of the polishing cup to
Slightly flare. 
D) The lowest possible handpiece speed should be used. 
A) Each tooth should be polished for 3 to 5 seconds. 
B) Use approximately one cupful of polishing agent for every three or four teeth 
C) The intermittent pressure should be enough to cause the edges of the polishing cup to
Slightly flare. 
D) The lowest possible handpiece speed should be used.

Question 14

If scaling the teeth is indicated before polishing,who performs the scaling?

Accepted Answer

A) DDS 
B) EFDA or RDA 
C) RDH 
D) Either a or c 
A) DDS 
B) EFDA or RDA 
C) RDH 
D) Either a or c

Question 15

Which type of stain can be removed from the surfaces of the teeth?

Accepted Answer

A) Tobacco 
B) Fluorosis 
C) White spot 
D) Tetracycline 
A) Tobacco 
B) Fluorosis 
C) White spot 
D) Tetracycline

Question 16

When polishing the mandibular arch,the patient's chin should be _____ and the chin should be _____ for the maxillary.

Accepted Answer

A) up; up 
B) down; down 
C) up; down 
D) down; up 
A) up; up 
B) down; down 
C) up; down 
D) down; up

Question 17

What options are available for stains that cannot be removed manually?

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

Exam 58: Coronal Polishing

What does air-powder polishing remove?

Exogenous stains are caused by environmental sources and are classified into subdivisions,including which of the following?

Which of the following represents an endogenous stain?

What type of stain,found on some children's teeth,can be caused by poor hygiene and the fungi that are retained in bacterial plaque?

What is the purpose of a fulcrum?

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

Recommended polishing pastes have _____ polish and _____ abrasion levels.

A _____ is a point of support that works as a lever for movement.

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

Which statement is not a negative effect of coronal polishing?

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

Which statement is correct about polishing cups?

Which of the following statements is not true in regards to coronal polishing?

If scaling the teeth is indicated before polishing,who performs the scaling?

Which type of stain can be removed from the surfaces of the teeth?

When polishing the mandibular arch,the patient's chin should be _____ and the chin should be _____ for the maxillary.

What options are available for stains that cannot be removed manually?

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.

Recommended polishing pastes have _ polish and _ abrasion levels.

When polishing the mandibular arch,the patient's chin should be _ and the chin should be _ for the maxillary.