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Board 2019 > supportive tx > Flashcards

supportive tx Flashcards

1
Q

what are poor thermal conductors

A

enamel

dentin

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2
Q

the thicker the material the more

A

viscous

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3
Q

tarnish can be reversed through polishing while corrosion is irreversible

A

true

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4
Q

is an important property requirement of impression and restorative materials

A

diminensional stability

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5
Q

how much heat and cold are transmitted to pulpal and soft tissues under a restoration

A

thermal conductivity

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6
Q

bonding is also known as

A

luting

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7
Q

class five material, the strongest least soluble dental luting cements which are adhesive release fl.

A

glass inomoner ally c and b sealents

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8
Q

seals dentin tubules, not used with composite material, will interfere with adension

A

varnish

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9
Q

cements are used for cementation of restorations and as bases and commonly composed of — —- or glass powder and have an acidic liquid or eugenol

A

zinc oxide

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10
Q

mouth guards can cause prominent inflammation that tapers off between the centrals

A

true

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11
Q

what are mouth guards made up of

A

thermoplastic material EVA

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12
Q

polishing considerations

avoid pulpal trauma by using slow speed light intermitten pressure and adequate water coolant

A

true

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13
Q

most abrasive

A

pumice

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14
Q

least abrasive

A

tin oxide

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15
Q

used to polish etra orally

A

rouge

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16
Q

intra orally polis

A

tin oxide

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17
Q

loss of water

A

synersis

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18
Q

uptake of water

A

imbiibtion

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19
Q

most accurate stable and pleasent materials to work with in terms of crowns and bridges

A

vps

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20
Q

used when strength/hardness not as important; requires most water when mixing, used for study casts/ models least water resistant

A

plaster type 2 white

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21
Q

oral appliances, retainers, aliginers, custom trays

A

type 3 stone yellow

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22
Q

most water resistant

crowns bridges and indirect restorations,

A

type 4 die blue

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23
Q

accelerators include potassium sulfate or warm water, to slow use

A

borax or cold water

24
Q

5 percent sodium varnishes are fda approved for treating hypersensistivity

A

true

25
Q

potassium, calcium and fl are the most common desensitizing agents that work by chemically preventing nerve depolarization or by mechanically blocking dentinal tubules

A

true

26
Q

the most effective whitening to date has been over night wear of a low concentration carabmide peroxide

A

true

27
Q

the strongest most wear resistant restorative material is

a. gold
b. amalgam
c. porcelain
d. composite
e. porcelin fused to metal

A

gold

28
Q

triclosan is a toothpaste additive used to

a. prevent caries
b. control sensitivity
c. eliminate oral malodor
d. minimize the formation of calculus
e. antimicrobial specific for gingivitis

A

e

29
Q

the best method to use when polishing teeth via rubber cup is

A

lowest speed, least abrasive agent with light intermittent pressure

30
Q

the main purpose for etching in preparing a tooth surface for a sealent is
a. increasing wettability of the enamel
b. improving retention by cleaning the area to be sealed
c. to form tags or microscopic pores to retain material
d all the above

A

c

31
Q 
which best describes the type of retention seen with sealents
a. chemical
b. mechanical
c. chemomechanical 
d none of the above
A

mechanical

32
Q

rubber cup air polishing will remove which

a. fluorisis
b. white spots
c. intrinsic stains
d. extrinsic stains
e. tetra

A

d

33
Q

correct sealent placement

A

clean rinse isolate dry etch rinse dry apply sealent evaluate check occlusion

34
Q

all of the following are considered antiplaque agents except which

a. triclosan
b. essential oils
c. strontium chloride
d. cetylpyridinium chloride
e. all

A

c

35
Q

shrinkage of a reversible or irreversible hydrocolloid is a result of

a. syneresis
b. imbibtion
c. polymerization
d. thermal conductivity

A

a

36
Q

the main purpose in placing a base is to protect the pulp from chemical irritation. A varnish is used to seal dentinal tubules
underneath composite restorations

A

both false

37
Q

to accelerate the setting time of gypsum material you should

a. add borax
b. add cold water
c. add potassium sulfate
d. a and b
e. b and c

A

c i

38
Q

all impression materials set by gelation with the exception of reversible hydrocolloid. Reversible hydrocolloids set by polymerization

A

both false

all impression materials set by polymerization except reversible hydrocolloid which sets through gelation

39
Q

sensitivity can be treated clinically with 5 percent sodium varnishes which are fda approved for treating hypersensitivity. Caries prevention is an off label and accepted used for caries control.

A

both true

40
Q

caries or restoration on the incisal edge or anterior teeth or the cusp tips is considered which gv black class

A

class 6

41
Q

calcium hydroxide is known for which property

a. seals dentinal tubules
b. stimulates reparitive dentin
c. has a sedative effect on pulp
d. a and c

A

b

42
Q

bradycardia typically does not cause symptoms until the rate drops below

A

50 bpm

43
Q

piezo is

A

linear

44
Q

sonic and magneto are

A

elliptical

45
Q

straight right or left with ball on the tip

A

furcation tips

46
Q

most often missed mesial coronal and root concavity

A

max first premolar

47
Q

premolar most often having two roots

A

max first

48
Q

non functional lingual cusp

A

mandibular first premolar

49
Q

pre molar which commonly has three cusps

A

mandibular second

50
Q

tooth which frequently has a fifth cusp

A

mandibular first molar or max first molar

51
Q

tooth most often having two canals

A

mandibular first molar

52
Q

max first molar oblique ridge runs from distobuccal to mesiolingual

A

true

53
Q

mandibular first molar widest and strongest part

A

mesial

54
Q

tooth with tenedency to have diveregent roots

A

max first molar

55
Q

tooth with most unique anatomy

A

primary first mand molar

Board 2019 (12 decks)

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