Deck 1: Introduction to Restorative Dental Materials

Question 1

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

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

Answer 1

titanium

Question 2

When would removable partial dentures be indicated?

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

Answer 2

Replacement of multiple missing teeth in multiple locations

Question 3

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 are both correct.

Answer 3

C and D are both correct.

Question 4

What causes caries?

A) Food debris
B) Materia alba
C) Acidic foodstuff
D) Bacterial plaque
E) Salivary glycoproteins

Question 5

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

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

Question 6

Which type of crown is placed on an implant?

A) Direct intracoronal
B) Direct extracoronal
C) Indirect intracoronal
D) Indirect extracoronal

Question 7

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

A) Disto-occlusal ceramic inlay on tooth number 29
B) Buccal Cl. V composite resin on tooth number 31
C) Mesio-occlusal gold onlay on tooth number 15
D) Mesio-occlusal amalgam on tooth number 13

Question 8

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.

Question 9

The abutment teeth of a removable partial denture are engaged by what method?

A) Ceramic-alloy crowns
B) All-ceramic crowns
C) Pontics
D) Clasps

Question 10

What types of teeth are bonded to the framework of removable partial dentures?

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

Question 11

Which of the following is an intracoronal restoration?

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

Question 12

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

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

Question 13

A resin-bonded fixed partial denture is sometimes used under which conditions?

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

Question 14

What is the process called where decay is removed from the tooth in order for a restoration to be placed?

A) Cavity preparation
B) Convenience form
C) Margination
D) Extension

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

Question 16

Which of the following is an example of an extracoronal restoration? Choose all that apply.

A) Ceramic inlay
B) Ceramic-alloy crown
C) Porcelain jacket crown
D) A, B, and C
E) A and C

Question 17

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

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

Question 18

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

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

Question 19

Which material is used to fill the root canal once all of the pulpal tissue has been removed?

A) Silver point
B) Paper points
C) Dental cement
D) Moisture-resistant sealer

Question 20

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 21

Which type of restoration is recommended for an edentulous patient?

A) Complete denture
B) Fixed partial denture
C) Removable partial denture
D) Acid-etched resin-bonded bridge

Question 22

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

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

Question 23

Which tooth surface is most susceptible to caries in older adults?

A) Pits and fissures of the occlusal surface
B) Cervical smooth surface of all teeth
C) Exposed root surfaces of all teeth
D) Interproximal areas of all teeth

Question 24

Fluoride gels, rinses, and varnishes are highly effective at treating which dental condition?

A) Caries
B) Drifting
C) Staining
D) Gingival recession

Question 25

Describe the purpose of mouth protectors.

Question 26

Endosseous dental implants rely on which method to retain them permanently?

A) Osseointegration
B) Bone graft
C) Resin cement
D) Pins or posts
E) Both A and B

Question 27

What is a significant cause of dental caries and periodontal disease in older adults?

A) Diet
B) Health
C) Salivary flow
D) Brushing habits

Question 28

The phrase fixed bridge is a common term to describe which type of restoration?

A) Complete denture
B) Fixed partial denture
C) Single tooth implant
D) Removable partial denture

Question 29

Which areas of the teeth are most susceptible to caries?

A) Interproximal
B) Occlusal
C) Lingual
D) All of the above are correct.
E) Only A and B are correct.

Question 30

How would a permanent three-unit bridge be classified?

A) Indirect restoration
B) Direct restoration
C) Intracoronal
D) Extracoronal
E) Both A and D are correct.

Question 31

What is the purpose of mouth protectors?

A) Trauma
B) Temporomandibular arthritis
C) Orthodontic crowding of teeth
D) Insufficient vertical dimension

Question 32

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

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

Question 33

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

Question 34

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

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

Question 35

How would a composite resin restoration be classified?

A) Direct restoration
B) Indirect restoration
C) Intracoronal restoration
D) Extracoronal restoration
E) Both A and C

Question 36

Acid etching is used to bond pit and fissure sealant material to which tooth tissue?

A) Enamel
B) Dentin
C) Cementum
D) Dental pulp

Question 37

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

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

Question 38

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

Question 39

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

A) Amalgam
B) Porcelain
C) Composite resin

Question 40

Compare and contrast intracoronal restorations with extracoronal restorations.