Question 1

The most common ceramic implants are made of:

Accepted Answer

A)  quartz. 
B)  zirconia. 
C)  silica. 
D)  methyl methacrylate. 
A)  quartz. 
B)  zirconia. 
C)  silica. 
D)  methyl methacrylate.

Question 2

Titanium alloy differs from commercially pure titanium,because titanium alloy also contains:

Accepted Answer

A)  6 wt % aluminum. 
B)  4 wt % vanadium. 
C)  4 wt % aluminum. 
D)  both A and B. 
E)  both B and C. 
A)  6 wt % aluminum. 
B)  4 wt % vanadium. 
C)  4 wt % aluminum. 
D)  both A and B. 
E)  both B and C.

Question 3

During two-step endosseous implant placement,a _____ is placed on top of the implant to cover internal threads once the implant is placed into bone.

Accepted Answer

A)  temporary stayplate 
B)  space maintainer 
C)  temporary acrylic spacer 
D)  healing cap 
A)  temporary stayplate 
B)  space maintainer 
C)  temporary acrylic spacer 
D)  healing cap

Question 4

Success rates for implants increase if:

Accepted Answer

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

Question 5

Instrumentation with _____ is considered to be appropriate for maintaining oral hygiene around dental implants.

Accepted Answer

A)  metal scalers 
B)  metal curettes 
C)  ultrasonic scalers 
D)  sonic scalers 
E)  plastic scalers 
A)  metal scalers 
B)  metal curettes 
C)  ultrasonic scalers 
D)  sonic scalers 
E)  plastic scalers

Question 6

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

Question 7

A prosthesis is permanently attached to the implant by:

Accepted Answer

A)  cement. 
B)  screw. 
C)  welding. 
D)  all of the above. 
E)  only A and B. 
A)  cement. 
B)  screw. 
C)  welding. 
D)  all of the above. 
E)  only A and B.

Question 8

Ceramic implants are held in place by:

Accepted Answer

A)  ankylosis. 
B)  osseointegration. 
C)  biointegration. 
D)  all of the above. 
E)  only A and C. 
A)  ankylosis. 
B)  osseointegration. 
C)  biointegration. 
D)  all of the above. 
E)  only A and C.

Question 9

Special instruments are needed to effectively clean titanium dental implants.These instruments are made of:

Accepted Answer

A)  Teflon. 
B)  ceramic. 
C)  plastic. 
D)  all the above. 
E)  only A and C. 
A)  Teflon. 
B)  ceramic. 
C)  plastic. 
D)  all the above. 
E)  only A and C.

Question 10

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

Accepted Answer

A)  100 angstrom 
B)  1 angstrom 
C)  10¯10 meters 
D)  all of the above 
E)  only B and C 
A)  100 angstrom 
B)  1 angstrom 
C)  10¯10 meters 
D)  all of the above 
E)  only B and C

Question 11

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 12

When preparing the access for an implant,it is imperative that the temperature of the bone not exceed _____°

Accepted Answer

A)  20 
B)  27 
C)  30 
D)  37 
A)  20 
B)  27 
C)  30 
D)  37

Question 13

Which of the following materials promotes osseointegration?

Accepted Answer

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

Question 14

In general,_____ surfaces and those with _____ surface areas promote the greatest amounts of bone-implant contact during osseointegration of endosseous implants.

Accepted Answer

A)  rougher; greater 
B)  smoother; greater 
C)  rougher; smaller 
D)  smoother; smaller 
A)  rougher; greater 
B)  smoother; greater 
C)  rougher; smaller 
D)  smoother; smaller

Question 15

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

Question 16

Early implant strategies were painful.They:

Accepted Answer

A)  required aggressive techniques. 
B)  had low incidence of postoperative infection. 
C)  were successful long term. 
D)  used biocompatible materials. 
A)  required aggressive techniques. 
B)  had low incidence of postoperative infection. 
C)  were successful long term. 
D)  used biocompatible materials.

Question 17

For an implant to be successful,osseointegration must be maintained for:

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 18

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)  No occlusal loading of the implant occurs for a period of several months. 
C)  A few clinicians promote the immediate loading of an implant after its placement at an extraction site. 
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)  No occlusal loading of the implant occurs for a period of several months. 
C)  A few clinicians promote the immediate loading of an implant after its placement at an extraction site. 
D)  A, B, and C are true statements. 
E)  A and C are true statements.

The most common ceramic implants are made of:

Titanium alloy differs from commercially pure titanium,because titanium alloy also contains:

During two-step endosseous implant placement,a _____ is placed on top of the implant to cover internal threads once the implant is placed into bone.

Success rates for implants increase if:

Instrumentation with _____ is considered to be appropriate for maintaining oral hygiene around dental implants.

Which of the following statements is correct regarding implant success?

A prosthesis is permanently attached to the implant by:

Ceramic implants are held in place by:

Special instruments are needed to effectively clean titanium dental implants.These instruments are made of:

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

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

When preparing the access for an implant,it is imperative that the temperature of the bone not exceed _____°

Which of the following materials promotes osseointegration?

In general,_ surfaces and those with _ surface areas promote the greatest amounts of bone-implant contact during osseointegration of endosseous implants.

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

Early implant strategies were painful.They:

For an implant to be successful,osseointegration must be maintained for:

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

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 and Soldering

Polymers in Prosthodontics

Dental Ceramics

Filters

Exam 15: Dental Implants

The most common ceramic implants are made of:

Titanium alloy differs from commercially pure titanium,because titanium alloy also contains:

During two-step endosseous implant placement,a _____ is placed on top of the implant to cover internal threads once the implant is placed into bone.

Success rates for implants increase if:

Instrumentation with _____ is considered to be appropriate for maintaining oral hygiene around dental implants.

Which of the following statements is correct regarding implant success?

A prosthesis is permanently attached to the implant by:

Ceramic implants are held in place by:

Special instruments are needed to effectively clean titanium dental implants.These instruments are made of:

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

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

When preparing the access for an implant,it is imperative that the temperature of the bone not exceed _____°

Which of the following materials promotes osseointegration?

In general,_____ surfaces and those with _____ surface areas promote the greatest amounts of bone-implant contact during osseointegration of endosseous implants.

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

Early implant strategies were painful.They:

For an implant to be successful,osseointegration must be maintained for:

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

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 and Soldering

Polymers in Prosthodontics

Dental Ceramics

Filters

In general,_ surfaces and those with _ surface areas promote the greatest amounts of bone-implant contact during osseointegration of endosseous implants.