Question 1

Immediately after beginning debridement in a 6-mm pocket with an ultrasonic scaler your patient reports gum tissue soreness.What is the most likely cause?

Accepted Answer

A)  Backside of the tip is toward tooth 
B)  Insertion occurred at buccal surface 
C)  Power setting is turned up too high 
D)  Tip is at a 25-degree angle to the tooth 
A)  Backside of the tip is toward tooth 
B)  Insertion occurred at buccal surface 
C)  Power setting is turned up too high 
D)  Tip is at a 25-degree angle to the tooth D

Question 2

When instrumenting with a power scaling device all of the following techniques should be adhered to EXCEPT one.Which one is the EXCEPTION?

Accepted Answer

A)  Use a modified pen grasp. 
B)  Keep the tip moving at all times. 
C)  Keep the tip directly against the tooth at all times. 
D)  Adapt the tip parallel to the tooth surface. 
A)  Use a modified pen grasp. 
B)  Keep the tip moving at all times. 
C)  Keep the tip directly against the tooth at all times. 
D)  Adapt the tip parallel to the tooth surface. C

Question 3

What part of an insert should never be directed at the tooth surface?

Accepted Answer

A)  The lateral surface 
B)  The convex surface 
C)  The concave surface 
D)  The point of the tip 
A)  The lateral surface 
B)  The convex surface 
C)  The concave surface 
D)  The point of the tip D

Question 4

Which statement best describes a prominent benefit of a microultrasonic instrument?

Accepted Answer

A)  Disrupts biofilm in deep pockets 
B)  Is effective for supragingival scaling 
C)  Minimizes excessive cementum removal 
D)  Removes moderate deposits in deep pockets 
A)  Disrupts biofilm in deep pockets 
B)  Is effective for supragingival scaling 
C)  Minimizes excessive cementum removal 
D)  Removes moderate deposits in deep pockets

Question 5

The use of power scaling devices compared to manual instrumentation has been estimated to improve clinic efficiency by approximately

Accepted Answer

A)  20% 
B)  30% 
C)  40% 
D)  50% 
A)  20% 
B)  30% 
C)  40% 
D)  50%

Question 6

A preprocedural rinse should be utilized prior to instrumenting with a power scaling device in an effort to

Accepted Answer

A)  Increase patient comfort 
B)  Decrease pathogens present in aerosols 
C)  Debride the dentition 
D)  Anesthetize the tissues 
A)  Increase patient comfort 
B)  Decrease pathogens present in aerosols 
C)  Debride the dentition 
D)  Anesthetize the tissues

Question 7

While reviewing a new patient's health history you discover the patient had a pacemaker implanted in 1990.What should be the first course of action prior to using a magnetostrictive ultrasonic scaler?

Accepted Answer

A)  Contact the manufacturer of the pacemaker. 
B)  Proceed using hand instruments only. 
C)  Proceed with periodontal debridement as planned. 
D)  Use a piezoelectric ultrasonic scaler instead. 
A)  Contact the manufacturer of the pacemaker. 
B)  Proceed using hand instruments only. 
C)  Proceed with periodontal debridement as planned. 
D)  Use a piezoelectric ultrasonic scaler instead.

Question 8

The most appropriate power scaling tip for a client with 3- to 5-mm probe depths,heavy plaque,calculus deposits,and a 45% bleeding index is a

Accepted Answer

A)  Curved tip 
B)  Slim tip 
C)  Triple bend tip 
D)  Bladed tip 
A)  Curved tip 
B)  Slim tip 
C)  Triple bend tip 
D)  Bladed tip

Question 9

Microultrasonic tips are

Accepted Answer

A)  Small-diameter tips 
B)  Large-diameter tips 
C)  Diamond-coated tips 
D)  Bladed tips 
A)  Small-diameter tips 
B)  Large-diameter tips 
C)  Diamond-coated tips 
D)  Bladed tips

Question 10

Proper hand instrumentation pressure produces less root surface structure removal than power scaling.

Accepted Answer

A) True 
 B)False

Question 11

Ultrasonic scaling devices operate at a frequency between

Accepted Answer

A)  3,000 and 8,000 cps 
B)  8,000 and 10,000 cps 
C)  15,000 and 18,000 cps 
D)  18,000 and 50,000 cps 
A)  3,000 and 8,000 cps 
B)  8,000 and 10,000 cps 
C)  15,000 and 18,000 cps 
D)  18,000 and 50,000 cps

Question 12

Diamond-coated ultrasonic tips are useful for smoothing rough root surfaces.

Accepted Answer

A) True 
 B)False

Question 13

What type of scaling device is the most appropriate for nonsurgical periodontal therapy in a patient with a gag reflex?

Accepted Answer

A)  Magnetostrictive 
B)  Manual 
C)  Piezoelectric 
D)  Sonic 
A)  Magnetostrictive 
B)  Manual 
C)  Piezoelectric 
D)  Sonic

Question 14

All of the following are types of power scaling devices EXCEPT one.Which one is the EXCEPTION?

Accepted Answer

A)  Sonic 
B)  Magnetostrictive 
C)  Elliptical 
D)  Piezoelectric 
A)  Sonic 
B)  Magnetostrictive 
C)  Elliptical 
D)  Piezoelectric

Question 15

Periodontal or "slim" tips

Accepted Answer

A)  Should be used on high power 
B)  Are ideal for heavy calculus 
C)  Are bulkier than standard tips 
D)  Provide better access to deeper periodontal pockets 
A)  Should be used on high power 
B)  Are ideal for heavy calculus 
C)  Are bulkier than standard tips 
D)  Provide better access to deeper periodontal pockets

Question 16

The most appropriate power scaling tip for lower anterior teeth with root surfaces that have been over-scaled with hand instruments is a

Accepted Answer

A)  Bladed tip 
B)  Curved tip 
C)  Slim tip 
D)  Universal tip 
A)  Bladed tip 
B)  Curved tip 
C)  Slim tip 
D)  Universal tip

Question 17

A patient with chronic obstructive pulmonary disease requires nonsurgical periodontal therapy due to 5- to 6-mm probe depths and moderate calculus deposits.The best instrument to begin treatment with is a

Accepted Answer

A)  Diamond power tip 
B)  Periodontal power tip 
C)  Universal manual curet 
D)  Universal power tip 
A)  Diamond power tip 
B)  Periodontal power tip 
C)  Universal manual curet 
D)  Universal power tip

Question 18

Increasing the power on an ultrasonic device

Accepted Answer

A)  Delivers a longer,more powerful stroke 
B)  Delivers a shorter,less powerful stroke 
C)  Does not change the stroke 
D)  Increases the water flow 
A)  Delivers a longer,more powerful stroke 
B)  Delivers a shorter,less powerful stroke 
C)  Does not change the stroke 
D)  Increases the water flow

Question 19

Each of the following techniques will reduce hand and wrist fatigue when using power scalers EXCEPT one.Which one is the EXCEPTION?

Accepted Answer

A)  Drape the hand piece cord around the neck toward the dominant hand. 
B)  Grasp the hand piece so it sits between the thumb and index finger. 
C)  Wrap the hand piece cord around the forearm of the dominant hand. 
D)  Wrap the hand piece cord between fingers of the dominant hand. 
A)  Drape the hand piece cord around the neck toward the dominant hand. 
B)  Grasp the hand piece so it sits between the thumb and index finger. 
C)  Wrap the hand piece cord around the forearm of the dominant hand. 
D)  Wrap the hand piece cord between fingers of the dominant hand.

Question 20

Cavitation using power scalers refers to the root damage caused by pointing the insert tip toward the root.

Accepted Answer

A) True 
 B)False

Exam 25: Power Scaling

Immediately after beginning debridement in a 6-mm pocket with an ultrasonic scaler your patient reports gum tissue soreness.What is the most likely cause?

When instrumenting with a power scaling device all of the following techniques should be adhered to EXCEPT one.Which one is the EXCEPTION?

What part of an insert should never be directed at the tooth surface?

Which statement best describes a prominent benefit of a microultrasonic instrument?

The use of power scaling devices compared to manual instrumentation has been estimated to improve clinic efficiency by approximately

A preprocedural rinse should be utilized prior to instrumenting with a power scaling device in an effort to

While reviewing a new patient's health history you discover the patient had a pacemaker implanted in 1990.What should be the first course of action prior to using a magnetostrictive ultrasonic scaler?

The most appropriate power scaling tip for a client with 3- to 5-mm probe depths,heavy plaque,calculus deposits,and a 45% bleeding index is a

Microultrasonic tips are

Proper hand instrumentation pressure produces less root surface structure removal than power scaling.

Ultrasonic scaling devices operate at a frequency between

Diamond-coated ultrasonic tips are useful for smoothing rough root surfaces.

What type of scaling device is the most appropriate for nonsurgical periodontal therapy in a patient with a gag reflex?

All of the following are types of power scaling devices EXCEPT one.Which one is the EXCEPTION?

Periodontal or "slim" tips

The most appropriate power scaling tip for lower anterior teeth with root surfaces that have been over-scaled with hand instruments is a

A patient with chronic obstructive pulmonary disease requires nonsurgical periodontal therapy due to 5- to 6-mm probe depths and moderate calculus deposits.The best instrument to begin treatment with is a

Increasing the power on an ultrasonic device

Each of the following techniques will reduce hand and wrist fatigue when using power scalers EXCEPT one.Which one is the EXCEPTION?

Cavitation using power scalers refers to the root damage caused by pointing the insert tip toward the root.

Dental Hygiene As a Profession

Legal and Ethical Considerations

Communication Skills

Health Education and Promotion

Immunology and the Oral Systemic Link

Evidence-Based Care

Exposure and Infection Control

Comprehensive Medical and Oral Health History

Assessment Instruments

Extraoral and Intraoral Examination

The Periodontal Examination

Hard Tissue Examination

Biofilm,calculus,and Stain

Indices

Radiology

Dietary Assessment and Nutritional Counseling

Risk Assessment

Dental Hygiene Diagnosis,treatment Plan,documentation,and Case Presentation

Devices

Dentifrices and Mouthrinses

Cariology and Caries Management

Sealants

Prostheses and Appliances,therapeutic Treatment

Ergonomics

Instrumentation Principles and Techniques

Nonsurgical and Surgical Periodontal Therapy

Management of Dentin Hypersensitivity

Polishing

Esthetics

Dental Fear and Anxiety Management

Nitrous Oxideoxygen Sedation

Local Anesthesia

Evaluation

Maintenance

Introduction to Special Needs

Cardiovascular Disease

Respiratory

Sensory Disability: Vision and Hearing Impairment

Mental Health

Neurological Impairments

Endocrine System

Immune System

Hematological Considerations

Cancer

Pediatric Patient

Mens and Womens Health Issues

The Elderly

Physical Impairment

Alternative Practice Settings

Dental and Medical Emergencies

Practice Management

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