Question 1

The air-polishing technique uses a specially designed handpiece with a nozzle that delivers a high-pressure stream of warm water what additive?

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 D

Question 2

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 D

Question 3

What is the purpose of the coronal polishing technique?

Accepted Answer

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

Question 4

Which type of stain is incorporated into the tooth surface and cannot be removed easily if at all?

Accepted Answer

A) Tobacco 
B) Coffee 
C) Tetracycline 
D) Iron 
A) Tobacco 
B) Coffee 
C) Tetracycline 
D) Iron

Question 5

What is the most common technique for stain removal?

Accepted Answer

A) Scaler 
B) Toothbrush 
C) Floss 
D) Rubber cup polishing 
A) Scaler 
B) Toothbrush 
C) Floss 
D) Rubber cup polishing

Question 6

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

Accepted Answer

A) 8; 3 
B) 11; 1 
C) 10; 2 
D) Seating can be in any position in which the operator is comfortable. 
A) 8; 3 
B) 11; 1 
C) 10; 2 
D) Seating can be in any position in which the operator is comfortable.

Question 7

Which procedure is included with an oral prophylaxis?

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 8

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 9

The right-angle handpiece is held with which 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

Question 10

Some polishing agents come as powders to be mixed with water or mouthwash.What consistency works most effectively?

Accepted Answer

A) Emulsion 
B) Slurry 
C) Dry and crumbly 
D) Wet and sloppy 
A) Emulsion 
B) Slurry 
C) Dry and crumbly 
D) Wet and sloppy

Question 11

What is the Theory of Selective Polishing?

Accepted Answer

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

Question 12

How should a bristle brush be used?

Accepted Answer

A) Rotate rapidly before touching the tooth surface. 
B) Apply lightly to the tooth surface while revolving at the lowest speed. 
C) Place on the tooth while not rotating, and rotate slowly. 
D) Place on the tooth while not rotating, and rotate in a reverse direction. 
A) Rotate rapidly before touching the tooth surface. 
B) Apply lightly to the tooth surface while revolving at the lowest speed. 
C) Place on the tooth while not rotating, and rotate slowly. 
D) Place on the tooth while not rotating, and rotate in a reverse direction.

Question 13

Which statement is correct regarding selective polishing?

Accepted Answer

A) The abrasive agent used during coronal polishing actually removes a small amount of the fluoride-rich outer enamel layer. 
B) The abrasive agent used during coronal polishing actually removes a small amount of the fluoride-depleted outer enamel layer. 
C) The 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) The abrasive agent used during coronal polishing actually removes a small amount of the fluoride-rich outer enamel layer. 
B) The abrasive agent used during coronal polishing actually removes a small amount of the fluoride-depleted outer enamel layer. 
C) The 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 14

Black stain:

Accepted Answer

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

Question 15

When would bristle brushes be used?

Accepted Answer

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

Question 16

The term fulcrum is used to describe the placement of the _____ finger of the hand to stabilize the handpiece or instrument being used.

Accepted Answer

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

Question 17

For what are disclosing agents used?

Accepted Answer

A) To identify areas of plaque 
B) To evaluates the effectiveness of polishing 
C) To shows intrinsic stain 
D) Both a and b 
A) To identify areas of plaque 
B) To evaluates the effectiveness of polishing 
C) To shows intrinsic stain 
D) Both a and b

Question 18

What will the operator ask the patient to do throughout the prophylaxis procedure?

Accepted Answer

A) Wear safety glasses. 
B) Keep their eyes closed. 
C) Keep the mouth open wide. 
D) All of the above should be asked. 
A) Wear safety glasses. 
B) Keep their eyes closed. 
C) Keep the mouth open wide. 
D) All of the above should be asked.

Question 19

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

Question 20

Which polishing paste is recommended for use on filled hybrid composites and resin restorations?

Accepted Answer

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

Exam 58: Coronal Polishing

The air-polishing technique uses a specially designed handpiece with a nozzle that delivers a high-pressure stream of warm water what additive?

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

What is the purpose of the coronal polishing technique?

Which type of stain is incorporated into the tooth surface and cannot be removed easily if at all?

What is the most common technique for stain removal?

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

Which procedure is included with an oral prophylaxis?

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

The right-angle handpiece is held with which grasp?

Some polishing agents come as powders to be mixed with water or mouthwash.What consistency works most effectively?

What is the Theory of Selective Polishing?

How should a bristle brush be used?

Which statement is correct regarding selective polishing?

Black stain:

When would bristle brushes be used?

The term fulcrum is used to describe the placement of the _____ finger of the hand to stabilize the handpiece or instrument being used.

For what are disclosing agents used?

What will the operator ask the patient to do throughout the prophylaxis procedure?

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

Which polishing paste is recommended for use on filled hybrid composites and resin restorations?

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

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

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