Quiz 7 - Dental restorations

Question 1

What are the most radiopaque restoration materials?

Answer 1

Amalgam
Gold

Question 2

What dental restoration materials are slightly RO-RL?

Answer 2

Porcelain
Composite
Acrylic

Question 3

What is amalgam composed of?

Answer 3

Mercury
Silver
Tin
Copper

Question 4

How can amalgam differentiate from gold on an x-ray?

Answer 4

Irregular borders
Overhangs

Question 5

How can gold differentiate from amalgam on an x-ray?

Answer 5

Smooth borders
Onlays
Inlays

Question 6

-Prefabricated
-RO, but “see through”
-Smooth margins
-Poor contours

Answer 6

Stainless steel crowns

Question 7

Resembles density of dentin

Answer 7

Porcelain

Question 8

-RO but can be RL depending on composition
-Regular, well-defined borders

Answer 8

Composite

Question 9

-Only present in endodontically treated teeth
-RO

Answer 9

Post and core

Question 10

What is post?

Answer 10

Prepared tooth

Question 11

What is core?

Answer 11

Pulp cavity

Question 12

-Cavity liners to protect pulp
-RO

Answer 12

Base material

Question 13

What are the two cavity liners that protect pulp?

Answer 13

-Zinc phosphate cement
-Zinc-oxide eugenol paste

Question 14

-Enhance retention of amalgam or composite
-Cylindrical or screw-shaped
-RO

Answer 14

Metallic pins

Question 15

-Rubber-like
-Fills canals of pulp
-Less RO than silver points

Answer 15

Gutta percha

Question 16

-Fills canals of pulp
-Highly RO

Answer 16

Silver points

Question 17

-Dentures, partial or full
-Diatorics (pins)

Answer 17

Prosthodontic materials

Question 18

-Option to replace missing teeth
-Metallic material

Answer 18

Implants

Question 19

How can we determine if buccal versus lingual on a 2D radiographic image?

Answer 19

SLOB rule

Question 20

What is SLOB rule?

Answer 20

Same, Lingual
Opposite, Buccal

Question 21

How can dental caries be found?

Answer 21

-Clinical exam
-Radiographs

Question 22

What are the important factors for interpreting caries?

Answer 22

-Recognize the normal
-Proper mounting
-Good diagnostic quality
-Minimization/elimination of technique errors

Question 23

What are the six classifications of caries?

Answer 23

-Interproximal
-Occlusal
-Buccal/lingual
-Root surface
-Recurrent
-Rampant

Question 24

What are the four levels of interproximal caries?

Answer 24

Incipient
Moderate
Advanced
Severe

Question 25

What are the three levels of occlusal caries?

Answer 25

Incipient
Moderate
Severe

Question 26

-Class I
-Less than halfway through enamel

Answer 26

Incipient interproximal caries

Question 27

-Class II
-More than halfway through enamel

Answer 27

Moderate interproximal caries

Question 28

-Class III
-Less than halfway to pulp

Answer 28

Advanced interproximal caries

Question 29

-Class IV
-More than halfway to pulp

Answer 29

Severe interproximal caries

Question 30

-Cannot be seen on dental images
-Must be detected clinically with explorer

Answer 30

Incipient occlusal caries

Question 31

-Extends into dentin
-Little change seen in enamel on radiographs

Answer 31

Moderate occlusal caries

Question 32

Large radiolucency carie

Answer 32

Severe occlusal caries

Question 33

-Caries difficult to see on radiographs
-More easily seen clinically

Answer 33

Buccal and lingual caries

Question 34

-Just below CEJ
-Involves only roots
-Most commonly mandibular premolars and molars

Answer 34

Root caries

Question 35

-Secondary caries
-Adjacent to a pre-existing restoration

Answer 35

Recurrent caries

Question 36

What are recurrent caries caused by?

Answer 36

-Inadequate cavity prep
-Defective margins
-Incomplete removal of caries

Question 37

-Advanced, severe caries on multiple teeth
-Children with poor diets or adults with inadequate salivary flow

Answer 37

Rampant caries