Question 1

Which is the most common technique for stain removal?

Accepted Answer

A) Using a scaler 
B) Using a toothbrush 
C) Flossing 
D) Rubber cup polishing 
A) Using a scaler 
B) Using a toothbrush 
C) Flossing 
D) Rubber cup polishing D

Question 2

If scaling the teeth is indicated before polishing,the _____ 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 D

Question 3

Black stain:

Accepted Answer

A) has no relationship to poor oral hygiene. 
B) is rare. 
C) is usually from food pigments. 
D) covers most of the crowns of teeth. 
A) has no relationship to poor oral hygiene. 
B) is rare. 
C) is usually from food pigments. 
D) covers most of the crowns of teeth. A

Question 4

The term fulcrum is used to describe the placement of the _____ finger of the hand,which holds the instrument or handpiece.

Accepted Answer

A) first 
B) second 
C) third 
D) fourth 
A) first 
B) second 
C) third 
D) fourth

Question 5

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 6

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

Accepted Answer

A) fulcrum 
B) stroke 
C) handpiece 
D) thermostat 
A) fulcrum 
B) stroke 
C) handpiece 
D) thermostat

Question 7

Polishing cups:

Accepted Answer

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

Question 8

The lingual surfaces of the maxillary right quadrant are polished with the patient's head positioned ______ the operator.

Accepted Answer

A) up and toward 
B) up and away from 
C) down and toward 
D) down and away 
A) up and toward 
B) up and away from 
C) down and toward 
D) down and away

Question 9

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 10

A right-handed operator generally begins seated at ____ o'clock and a left-handed operator at _____ o'clock.

Accepted Answer

A) 8; 3 
B) 11; 1 
C) 10; 2 
D) anywhere the operator is comfortable 
A) 8; 3 
B) 11; 1 
C) 10; 2 
D) anywhere the operator is comfortable

Question 11

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 12

The operator should ask the patient to ______ throughout the procedure.

Accepted Answer

A) wear safety glasses 
B) keep their eyes closed 
C) keep the mouth open wide 
D) all of the above 
A) wear safety glasses 
B) keep their eyes closed 
C) keep the mouth open wide 
D) all of the above

Question 13

Air-powder polishing is used to 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 14

A stain that may be removed from the surfaces of the teeth is called a(n) ____ stain.

Accepted Answer

A) extrinsic 
B) natural 
C) intrinsic 
D) infected 
A) extrinsic 
B) natural 
C) intrinsic 
D) infected

Question 15

A stain that cannot be removed from the surfaces of the teeth is called a(n) ____ stain.

Accepted Answer

A) extrinsic 
B) natural 
C) intrinsic 
D) infected 
A) extrinsic 
B) natural 
C) intrinsic 
D) infected

Question 16

Selective polishing is recommended,because the:

Accepted Answer

A) abrasive agent used during coronal polishing actually removes a small amount of the fluoride-rich outer enamel layer. 
B) abrasive agent used during coronal polishing actually removes a small amount of the fluoride-depleted outer enamel layer. 
C) abrasive agent used during coronal polishing impedes uptake of fluoride by the outer layer of enamel. 
D) fluoride contained in the abrasive agent is not taken up by the teeth. 
A) abrasive agent used during coronal polishing actually removes a small amount of the fluoride-rich outer enamel layer. 
B) abrasive agent used during coronal polishing actually removes a small amount of the fluoride-depleted outer enamel layer. 
C) abrasive agent used during coronal polishing impedes uptake of fluoride by the outer layer of enamel. 
D) fluoride contained in the abrasive agent is not taken up by the teeth.

Question 17

Which of the following is not a possible 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 18

Bristle brushes are used to remove stains from:

Accepted Answer

A) exposed cementum. 
B) exposed dentin. 
C) deep pits and fissures on the enamel surfaces. 
D) interproximal subgingival areas. 
A) exposed cementum. 
B) exposed dentin. 
C) deep pits and fissures on the enamel surfaces. 
D) interproximal subgingival areas.

Question 19

Polishing _____ the uptake of professionally applied fluoride.Therefore,polishing is _____ before fluoride application.

Accepted Answer

A) improves; necessary 
B) improves; not necessary 
C) does not improve; necessary 
D) does not improve; not necessary 
A) improves; necessary 
B) improves; not necessary 
C) does not improve; necessary 
D) does not improve; not necessary

Question 20

The right-angle handpiece is held with a ____ grasp.

Accepted Answer

A) pen 
B) palm-thumb 
C) reverse palm-thumb 
D) any that is comfortable 
A) pen 
B) palm-thumb 
C) reverse palm-thumb 
D) any that is comfortable

Exam 58: Coronal Polishing

Which is the most common technique for stain removal?

If scaling the teeth is indicated before polishing,the _____ performs the scaling.

Black stain:

The term fulcrum is used to describe the placement of the _____ finger of the hand,which holds the instrument or handpiece.

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

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

Polishing cups:

The lingual surfaces of the maxillary right quadrant are polished with the patient's head positioned ______ the operator.

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

A right-handed operator generally begins seated at ____ o'clock and a left-handed operator at _____ o'clock.

Recommended polishing pastes have _____ polish and _____ abrasion levels.

The operator should ask the patient to ______ throughout the procedure.

Air-powder polishing is used to remove:

A stain that may be removed from the surfaces of the teeth is called a(n) ____ stain.

A stain that cannot be removed from the surfaces of the teeth is called a(n) ____ stain.

Selective polishing is recommended,because the:

Which of the following is not a possible negative effect of coronal polishing?

Bristle brushes are used to remove stains from:

Polishing _____ the uptake of professionally applied fluoride.Therefore,polishing is _____ before fluoride application.

The right-angle handpiece is held with a ____ grasp.

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

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

A right-handed operator generally begins seated at o'clock and a left-handed operator at _ o'clock.

Recommended polishing pastes have _ polish and _ abrasion levels.

Polishing _ the uptake of professionally applied fluoride.Therefore,polishing is _ before fluoride application.