Question 1

When the prosthesis is screwed into place, which part of the implant does it thread into?

Accepted Answer

A)  Preparation 
B)  Healing cap 
C)  Abutment 
D)  Bone 
A)  Preparation 
B)  Healing cap 
C)  Abutment 
D)  Bone

Question 2

Ceramic coatings improve bone-implant bond strengths. Their long-term stability in service is uncertain.

Accepted Answer

A)  Statement 1 is correct; statement 2 is correct. 
B)  Statement 1 is correct; statement 2 is incorrect. 
C)  Statement 1 is incorrect; statement 2 is correct. 
D)  Statement 1 is incorrect; statement 2 is incorrect. 
A)  Statement 1 is correct; statement 2 is correct. 
B)  Statement 1 is correct; statement 2 is incorrect. 
C)  Statement 1 is incorrect; statement 2 is correct. 
D)  Statement 1 is incorrect; statement 2 is incorrect.

Question 3

Identify the major types of implants that are or have been used over the years. Compare and contrast them and discuss why some are rarely used today.

Accepted Answer

The major types of implants used over th

Question 4

In order for an implant to be successful, how long must osseointegration be maintained?

Accepted Answer

A)  6 weeks 
B)  6 months 
C)  The first year 
D)  The first 3 years 
E)  The lifetime of the implant 
A)  6 weeks 
B)  6 months 
C)  The first year 
D)  The first 3 years 
E)  The lifetime of the implant

Question 5

Which of the following is not a trace element found in commercially pure titanium?

Accepted Answer

A)  Iron 
B)  Carbon 
C)  Oxygen 
D)  Hydrogen 
A)  Iron 
B)  Carbon 
C)  Oxygen 
D)  Hydrogen

Question 6

Special instruments are needed to effectively clean titanium dental implants. What are these instruments made of?

Accepted Answer

A)  Ceramic 
B)  Teflon® 
C)  Plastic 
D)  Only A and C 
E)  Only B and C 
A)  Ceramic 
B)  Teflon® 
C)  Plastic 
D)  Only A and C 
E)  Only B and C

Question 7

Increasing amounts of oxygen increase the _______ of commercially pure titanium alloys used for endosseous implants.

Accepted Answer

A)  density 
B)  strength 
C)  ductility 
D)  melting range 
E)  modulus of elasticity 
A)  density 
B)  strength 
C)  ductility 
D)  melting range 
E)  modulus of elasticity

Question 8

An oxygen concentration of _____ wt % is used in grade 1 commercially pure titanium implant alloys.

Accepted Answer

A)  0.01 
B)  0.08 
C)  0.18 
D)  0.4 
A)  0.01 
B)  0.08 
C)  0.18 
D)  0.4

Question 9

Which of the following statements is correct regarding implant success?

Accepted Answer

A)  There is minimal measurable clinical mobility of the implant under occlusal function. 
B)  Success rates are 75% at 10 years as long as an implant osseointegrates initially. 
C)  Some ongoing horizontal loss of bone (less than 0.8 mm per year) is common. 
D)  Success rates decrease if the density or quantity of bone is less. 
A)  There is minimal measurable clinical mobility of the implant under occlusal function. 
B)  Success rates are 75% at 10 years as long as an implant osseointegrates initially. 
C)  Some ongoing horizontal loss of bone (less than 0.8 mm per year) is common. 
D)  Success rates decrease if the density or quantity of bone is less.

Question 10

Which of the following statements is(are) true of single-stage implant placement?

Accepted Answer

A)  It requires simultaneous hard and soft tissue healing around the implant. 
B)  Occlusal loading of the implant occurs within days of placement. 
C)  Peri-implantitis occurs if there is too much initial loading. 
D)  A, B, and C are true statements. 
E)  A and C are true statements. 
A)  It requires simultaneous hard and soft tissue healing around the implant. 
B)  Occlusal loading of the implant occurs within days of placement. 
C)  Peri-implantitis occurs if there is too much initial loading. 
D)  A, B, and C are true statements. 
E)  A and C are true statements.

Question 11

Which type of implant-supported prosthesis is most likely to fail?

Accepted Answer

A)  Single crown 
B)  Mandibular complete denture 
C)  Maxillary complete denture 
D)  Multiple tooth endosseous implant not connected to natural teeth 
E)  Multiple tooth endosseous implant connected to natural teeth 
A)  Single crown 
B)  Mandibular complete denture 
C)  Maxillary complete denture 
D)  Multiple tooth endosseous implant not connected to natural teeth 
E)  Multiple tooth endosseous implant connected to natural teeth

Question 12

Compare and contrast biointegration with osseointegration.

Accepted Answer

For dental implants made of titanium all

Question 13

Which of the following is not a true statement regarding ceramic-coated implants?

Accepted Answer

A)  They are held in place by biointegration. 
B)  Their longevity has yet to be determined. 
C)  They are preferred by clinicians over titanium implants. 
D)  There are occasions when the ceramic coating has debonded. 
A)  They are held in place by biointegration. 
B)  Their longevity has yet to be determined. 
C)  They are preferred by clinicians over titanium implants. 
D)  There are occasions when the ceramic coating has debonded.

Question 14

Of the following types of implants, which one is seldom used today?

Accepted Answer

A)  Endosseous 
B)  Transosteal 
C)  Subperiosteal 
D)  Both B and C 
A)  Endosseous 
B)  Transosteal 
C)  Subperiosteal 
D)  Both B and C

Question 15

An endosseous implant is allowed to heal for at least _______ during the first stage of a two-step placement of an implant.

Accepted Answer

A)  2 days 
B)  2 weeks 
C)  6 weeks 
D)  6 months 
E)  2 years 
A)  2 days 
B)  2 weeks 
C)  6 weeks 
D)  6 months 
E)  2 years

Question 16

Which factor increases the success rate for implants?

Accepted Answer

A)  The density of bone is increased. 
B)  Implants are placed with a one-step method. 
C)  The height of bone around the implant is reduced. 
D)  Implants are loaded immediately after placement. 
A)  The density of bone is increased. 
B)  Implants are placed with a one-step method. 
C)  The height of bone around the implant is reduced. 
D)  Implants are loaded immediately after placement.

Question 17

Which of the following materials promotes osseointegration?

Accepted Answer

A)  Beryllium alloys 
B)  Dental amalgam 
C)  Titanium alloys 
D)  Stainless steel 
E)  Nickel alloys 
A)  Beryllium alloys 
B)  Dental amalgam 
C)  Titanium alloys 
D)  Stainless steel 
E)  Nickel alloys

Question 18

Scratches or other disruption of the original manufacturer's oxide layer on the surface of endosseous implants are discouraged. Any contamination of the original surface will increase the risk of failure of the implant to osseointegrate.

Accepted Answer

A)  Statement 1 is correct; statement 2 is correct. 
B)  Statement 1 is correct; statement 2 is incorrect. 
C)  Statement 1 is incorrect; statement 2 is correct. 
D)  Statement 1 is incorrect; statement 2 is incorrect. 
A)  Statement 1 is correct; statement 2 is correct. 
B)  Statement 1 is correct; statement 2 is incorrect. 
C)  Statement 1 is incorrect; statement 2 is correct. 
D)  Statement 1 is incorrect; statement 2 is incorrect.

Question 19

Osseointegration occurs when the bone grows to within _________ of the implant interface.

Accepted Answer

A)  1 angstrom 
B)  10-10 meters 
C)  100 angstroms 
D)  All of the above 
E)  Only B and C 
A)  1 angstrom 
B)  10-10 meters 
C)  100 angstroms 
D)  All of the above 
E)  Only B and C

Question 20

During bone removal for implant placement, the objective is to avoid temperatures in the bone above _____° C.

Accepted Answer

A)  10 
B)  17 
C)  27 
D)  37 
E)  47 
A)  10 
B)  17 
C)  27 
D)  37 
E)  47

When the prosthesis is screwed into place, which part of the implant does it thread into?

Ceramic coatings improve bone-implant bond strengths. Their long-term stability in service is uncertain.

Identify the major types of implants that are or have been used over the years. Compare and contrast them and discuss why some are rarely used today.

In order for an implant to be successful, how long must osseointegration be maintained?

Which of the following is not a trace element found in commercially pure titanium?

Special instruments are needed to effectively clean titanium dental implants. What are these instruments made of?

Increasing amounts of oxygen increase the _______ of commercially pure titanium alloys used for endosseous implants.

An oxygen concentration of _____ wt % is used in grade 1 commercially pure titanium implant alloys.

Which of the following statements is correct regarding implant success?

Which of the following statements is(are) true of single-stage implant placement?

Which type of implant-supported prosthesis is most likely to fail?

Compare and contrast biointegration with osseointegration.

Which of the following is not a true statement regarding ceramic-coated implants?

Of the following types of implants, which one is seldom used today?

An endosseous implant is allowed to heal for at least _______ during the first stage of a two-step placement of an implant.

Which factor increases the success rate for implants?

Which of the following materials promotes osseointegration?

Scratches or other disruption of the original manufacturer's oxide layer on the surface of endosseous implants are discouraged. Any contamination of the original surface will increase the risk of failure of the implant to osseointegrate.

Osseointegration occurs when the bone grows to within _________ of the implant interface.

During bone removal for implant placement, the objective is to avoid temperatures in the bone above _____° C.

Introduction to Restorative Dental Materials

Properties of Materials

Preventive Dental Materials

Direct Esthetic Restorative Materials

Dental Amalgam

Finishing, Polishing, and Cleansing Materials

Cements

Impression Materials

Model and Die Materials

Waxes

Casting Alloys, Wrought Alloys, and Solders

Casting, Soldering, and Welding

Polymers in Prosthodontics

Dental Ceramics

Filters

Exam 15: Dental Implants

When the prosthesis is screwed into place, which part of the implant does it thread into?

Ceramic coatings improve bone-implant bond strengths. Their long-term stability in service is uncertain.

Identify the major types of implants that are or have been used over the years. Compare and contrast them and discuss why some are rarely used today.

In order for an implant to be successful, how long must osseointegration be maintained?

Which of the following is not a trace element found in commercially pure titanium?

Special instruments are needed to effectively clean titanium dental implants. What are these instruments made of?

Increasing amounts of oxygen increase the _______ of commercially pure titanium alloys used for endosseous implants.

An oxygen concentration of _____ wt % is used in grade 1 commercially pure titanium implant alloys.

Which of the following statements is correct regarding implant success?

Which of the following statements is(are) true of single-stage implant placement?

Which type of implant-supported prosthesis is most likely to fail?

Compare and contrast biointegration with osseointegration.

Which of the following is not a true statement regarding ceramic-coated implants?

Of the following types of implants, which one is seldom used today?

An endosseous implant is allowed to heal for at least _______ during the first stage of a two-step placement of an implant.

Which factor increases the success rate for implants?

Which of the following materials promotes osseointegration?

Scratches or other disruption of the original manufacturer's oxide layer on the surface of endosseous implants are discouraged. Any contamination of the original surface will increase the risk of failure of the implant to osseointegrate.

Osseointegration occurs when the bone grows to within _________ of the implant interface.

During bone removal for implant placement, the objective is to avoid temperatures in the bone above _____° C.

Introduction to Restorative Dental Materials

Properties of Materials

Preventive Dental Materials

Direct Esthetic Restorative Materials

Dental Amalgam

Finishing, Polishing, and Cleansing Materials

Cements

Impression Materials

Model and Die Materials

Waxes

Casting Alloys, Wrought Alloys, and Solders

Casting, Soldering, and Welding

Polymers in Prosthodontics

Dental Ceramics

Filters