Deck 1: Introduction to Restorative Dental Materials

Question 1

Which of the following is an example of an extracoronal restoration?

A) Disto-occlusal ceramic inlay on tooth number 29
B) Mesio-occlusal gold onlay on tooth number 15
C) Mesio-occlusal amalgam on tooth number 13
D) Occlusal ceramic inlay on tooth number 31

Answer 1

Mesio-occlusal gold onlay on tooth number 15

Question 2

Which of the following statements is true of removable partial dentures?

A) Removable partial dentures use a framework made of acrylic.
B) The partial denture framework rests on tissue.
C) The partial denture framework rests on specific abutment teeth.
D) The partial denture framework rests on specific pontic teeth.

Answer 2

The partial denture framework rests on specific abutment teeth.

Question 3

Which of the following is an intracoronal restoration?

A) Ceramic-alloy crown on tooth number 21
B) Ceramic veneer on tooth number 8
C) Occlusal amalgam on tooth number 14
D) Ceramic onlay on tooth number 30

Answer 3

Occlusal amalgam on tooth number 14

Question 4

Removable partial dentures are the most appropriate restoration for:

A) replacement of single missing teeth.
B) replacement of multiple missing teeth in multiple locations.
C) situations where there is a distal abutment tooth to anchor a fixed bridge.
D) A and C.
E) B and C.

Question 5

The abutment teeth of a removable partial denture are engaged by:

A) ceramic-alloy crowns.
B) all-ceramic crowns.
C) clasps.
D) pontics.

Question 6

A resin-bonded fixed partial denture is sometimes used if the:

A) abutment teeth have been endodontically treated.
B) abutment teeth are healthy and free of major restorations.
C) bridge is a long-span bridge involving more than four teeth.
D) bridge has only one abutment.

Question 7

Which of the following types of implants are placed into but not through bone?

A) Endosseous
B) Transosseous
C) Subperiosteal
D) Mucosal

Question 8

Caries is most likely to occur on which of the following tooth surfaces?

A) Buccal
B) Lingual
C) Occlusal
D) Interproximal
E) C and D

Question 9

The _____ of a fixed partial denture fills the edentulous space.

A) abutment
B) pontic
C) connector
D) obturator

Question 10

The process by which a tooth is prepared to receive a restoration is called:

A) convenience form.
B) cavity preparation.
C) extension.
D) margination.

Question 11

Which of the following is an advantage of removable partial dentures over fixed partial dentures?

A) Removable partial dentures are more esthetic.
B) Removable partial dentures are more comfortable.
C) With removable partial dentures, it is easier to clean and inspect the remaining teeth.
D) Teeth adjacent to the edentulous space can be used to anchor dentures.

Question 12

Dental implants are commonly fabricated from _____-based metal alloys.

A) dental amalgam
B) gold
C) titanium
D) iron

Question 13

In root canal therapy,once all of the pulpal tissue has been removed,the canal is filled with

A) paper points.
B) moisture-resistant sealer.
C) silver point.
D) dental cement.

Question 14

Which of the following is(are)examples of indirect restorations?

A) Ceramic inlay
B) All-ceramic crown
C) Ceramic-alloy crown
D) A, B, and C
E) A and C

Question 15

Which of the following is an advantage of endosseous implant placement when contrasted with fixed bridgework? Endosseous implants:

A) leave adjacent teeth unrestored.
B) are less costly than fixed partial dentures.
C) do not require invasive surgery.
D) require floss threaders to clean abutment teeth.

Question 16

Caries is caused by:

A) food debris.
B) materia alba.
C) bacterial plaque.
D) salivary glycoproteins.
E) acidic foodstuf

Question 17

A(n)_____ crown is placed on an implant.

A) direct intracoronal
B) direct extracoronal
C) indirect intracoronal
D) indirect extracoronal

Question 18

_____ teeth are bonded to the framework of removable partial dentures.

A) Ceramic
B) Acrylic
C) Resin composite
D) Alloy

Question 19

Which of the following is an example of an extracoronal (direct)restoration?

A) Laboratory-cured composite
B) Dental amalgam
C) Ceramic veneer
D) Cast crown

Question 20

A(n)_____ is also known as a bridge.

A) removable partial denture
B) fixed partial denture
C) pontic
D) abutment

Question 21

Fluoride gels,rinses,and varnishes are highly effective at preventing:

A) drifting of teeth.
B) gingival recession.
C) caries.
D) staining of teeth.

Question 22

Which restoration is appropriate for an edentulous patient?

A) Three-unit fixed partial denture
B) Removable partial denture
C) Complete denture
D) Acid-etched resin-bonded bridge

Question 23

Which of the following would not be considered an extracoronal,or indirect placement,restoration?

A) Veneer
B) Crown
C) Amalgam
D) Onlay

Question 24

Mouth protectors are used to prevent:

A) trauma.
B) temporomandibular arthritis.
C) orthodontic crowding of teeth.
D) insufficient vertical dimension.

Question 25

Fluoride _____ are commonly used to deliver fluoride to an area prepared for restoration.

A) gels
B) rinses
C) filling materials
D) varnishes

Question 26

A resin-bonded fixed partial denture is referred to as a(n):

A) cantilever bridge..
B) implant.
C) Maryland bridge.
D) veneer.

Question 27

The tooth tissue most susceptible to caries in older adults is:

A) enamel.
B) dentin.
C) pulp.
D) cementum.

Question 28

Acid-etching is used to bond a pit and fissure sealant to:

A) enamel.
B) dentin.
C) cementum.
D) dental pulp.

Question 29

Compare and contrast intracoronal restorations with extracoronal restorations.

Question 30

Of the following,which is not an advantage of finishing and polishing a restoration?

A) Minimized plaque retention
B) Minimized stain
C) Minimized corrosion
D) Minimized recurrent caries

Question 31

The phrase fixed bridge is a common term to describe a:

A) complete denture.
B) removable partial denture.
C) fixed partial denture.
D) single tooth implant.

Question 32

Identify an advantage to a patient who wears a partial denture.

Question 33

The tooth surface most susceptible to caries in older adults is(are)the:

A) pits and fissures of the occlusal surface.
B) interproximal areas of all teeth.
C) cervical smooth surface of all teeth.
D) exposed root surfaces of all teeth.

Question 34

A fixed partial denture is more commonly referred to as a(n):

A) bridge.
B) pontic.
C) veneer.
D) abutment.

Question 35

Describe the purpose of mouth protectors.

Question 36

Endosseous dental implants are manufactured from:

A) titanium.
B) gold.
C) ceramic.
D) all of the above.
E) only A and C.

Question 37

A significant cause of dental caries and periodontal disease in older adults is a direct result of poor:

A) diet.
B) salivary flow.
C) brushing habits.
D) health.

Question 38

Discuss the role of dental materials in treating trauma-related tooth injuries.

Question 39

Which of the following tissues is most likely to be affected by periodontal disease caused by bacterial plaque?

A) Periodontal ligament
B) Enamel
C) Pulp
D) Dentin

Question 40

Of the following,which material would not be used for an intracoronal restoration?

A) Amalgam
B) Porcelain
C) Composite resin