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chapter 44 quiz > tomorrow > Flashcards

tomorrow Flashcards

1
Q

wedge or v shaped cervical lesion created by the stresses of lateral or eccentric tooth movement during occlusal function bruxing or parafunctional activity resulting in enamel microfractures

A

abfraction

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2
Q

repeated rubbing of a tooth surface with a toothpick or wooden stick

A

burnishing

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3
Q

transient pain arising from exposed dentin typically in responce to a stimululs which cannot be explained as arising from any other form of dental defect and subsides quickly when stimulus is removed

A

dental hypersensitivity

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4
Q

currently accepted mechanism for pain impulse transmission to the pulp as a result of fluid movement

A

hydrodynamic theory

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5
Q

dentin locate dbetween dentinal tubules

A

interubular dentin

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6
Q

increased deposition of minerals into tubules that become more minerilizezd with increasing age resulting in thicker schlerotic dentin

A

intratubular or pertiublar dentin

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7
Q

reduction of the resting potential of the nerve membrane so that a nerve impulse is fired

A

neural deopolarlization mechanism

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8
Q

creates the nerve impulse

A

depolarilization

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9
Q

restored

A

repolarized

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10
Q

the passage of fluids and soloutions of lesser concentration through a selective membrane to one of greater solute concentration

A

osmosis

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11
Q

open obstructed a patent dentin tubule allows fluid flow to signal pain many desentiizing agents work by decreasing the patentcy of the tubule

A

patent

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12
Q

specific type of scientific expierment that is the gold standard for a clinical trial

A

Randomized clinical trials

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13
Q

dentin that is secretely slowly over time after root formation to wall of the pulp from fluid flow with dentin tubules following a stimulus

A

secondary dentin

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14
Q

has been referred to as grinding debris from instrumentation or other devices applied to tooth

A

smear layer

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15
Q

a type of dentin formed along the pulpal wall or root canal as a protective mechanism in responce to trauma

A

tertiary reparitive dentin

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16
Q

contact with tooth brush and other oral hygiene devises eating utensils dental instruments and frictionf from prosthetithc devices such as denture clasps

A

tactile

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17
Q

temp change caused by hot and cold food and beverages

A

thermal

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18
Q

deyhydration of oral fluids from high volume evacation or application of air to dry teeth during intraoral proceudres

A

evaporative

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19
Q

alteration of pressure in dentin tubules through a selective membrane

A

osmotic

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20
Q

in foods and bevarages such as citrus fruits, condiments spices wines

A

chemical

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21
Q

portions of tooth covered by enamel on the crown and cementum on the root

A

dentin

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22
Q

highly innervated with nerve cell fiber endings that extend just beyond the dentiopupal interface of the dentinal tubules

A

pulp

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23
Q

nerve fiber endings extend just beyond the dentin pulpal junction and wind around the odontoblatsic processess

A

nerves react the same through neural depolarilization mechanism

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24
Q

the sequence of gingival recession, loss of cementum or enamel, and subsequent dentin exposure can result in

A

hypersenstivity

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25
Q

hypersensitivity may be a clinical outcome of

A

erosion

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26
Q

erosion can occurs from

A

dietary acids

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27
Q

dietary acid results in an immediate drop in oral ph after normal salivary neutralization a physiologic ph of

A

7 re establishes within minutes

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28
Q

wedge shaped cervical lsion has a questionalble etiology

lateral occlusal stresses or bruxing

enamel rods chip away from cervical area of tooth

A

abfraction

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29
Q

currently accpted explanation for transmission of stimuli from the outer surface of the dentin to pulp

A

hydrodynamic theory 1960s by brannstorm

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30
Q

There are several mechanisms by which desensitization can occur naturally over time:

A

schlerosis of denitn

secondary dentin

smear layer

calculus
`

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31
Q

a large malpractice cross survey found a prevalence of dentin hypersensitivity of

A

12.3 percent with an average of 3.5 hypersensitive teeth

32
Q

the highest prevalence occured in those

A

18-44 years of age

33
Q

gingival recession is more prevalent with

A

aging

34
Q

dentin hypersensitivity is not more prevalent with

A

aging

35
Q

hypersenst. occurs more in

A

women

36
Q

hyperse. has been reported to occur primarily at the cervical

A

1/3 of the facial surfaces of premolars and mqndiibular anterior teeth or on premolars and molars

37
Q

hyperse can manifest as

A

acute or chronic

38
Q

acute results from

A

anxiety

39
Q

chronic pain may result from

A

depression

40
Q

non noxious stimulant

A

cold water

41
Q

many types of dental pain can be intensifited by

A

thermal
sweet
sour

42
Q

chewing pain can be indiciative of

A

pulpal pathology

43
Q

pulpal pain is

A

severe
intermittent
throbbing

44
Q

diagnostic techniques and tests

A

visual assesment of tooth integrity

palpation of etral and intraoral soft tissues

evaluation of nasal congestion drainage and sinus

ocsslusal examination

45
Q

two basic treatment goals

A

pain relief

modification or elimanition of contributing factors

46
Q

allow sufficient time to elapse to evalutate effectiveness and reinfornce behavior changes

A

2-4 weeks

47
Q

2 ways agents measures disrupt the oain transmission

A

prevent nerve depolarilization that interrupts the neural trannsmission to the pulp

prevent a stimulus from moving the tubul fluid by occlusion of dentin tubule orfices

48
Q

encourage habits that allow tubules to remain occluded or that occlude patent tubules

A

motivational interviewing approach

educate the pateint that some products may take 2- 4 weeks to decrease senstivity

49
Q

are the only agents that are theorized to work by depolarization

A

potassium salts

50
Q

potatssium nitrate dentrifices containging flurloride

A

are widely used

51
Q

precipaate calcium flurlide crystals wit the

A

dentin tubule to decrease the lumen diameter

create a barrier by precip caf2

52
Q

blocks open dental tubules

A

oxalates

53
Q

coagulates proteins and amino acids within the dentin tubule to decerease the dential utbule lumen diameter

can be combined with hema as a resin

creates calcium crystal

A

gluterahyde

54
Q

advocated for use sa caries control agent to reduce deminerilzation and increase reminerilization by releasing calcium and phosphate ions into saliva for deposition of tooth minteral

A

calcium phosphate technology

55
Q

theorizd to plug dentinal tubules with calcium and phosphate precipate

enhances fluride

A

acp

56
Q

contains sodium and silica in addition to calcium and phosphurus

deliveredin solid bio active glass particles that react in the presence of salva and water to release calcium and phosphate ions

A

CSP

57
Q

is a milk derived protien that stabalized acp and allows it to be released during acidic challenges

A

cpp acp

58
Q

devellope in an affort to create a calcium material that can co exist with fluride

A

TCP

59
Q

dentirfices are

A

5 percent in toothpastes

60
Q

they are avaiable in

A

5000 ppm fluride

61
Q

mouthrinses containing

A

.63 stannous fluride mouth rinses can be prescribed for daily use

62
Q

a tray delivery can be used to apply

A

2 percent netural sodium fluoride soloution

63
Q

dentin bonding agents may protec against further eriosin for

A

3 to 6 months

64
Q

tooth whitening thought to result from by products of

A

10 percenet carbamid

3 hydrogen peroxiide

and 7 urea

65
Q

thermal mechanical evaproative osmotic chemical sens. sharp sudden transient pain

clinical examination gingival recession and loss of tooth structure

A

dentinal hypersensitivity

66
Q

thermal sensit
pain on pressure
pain with sweets

clinical ex
rad ex

A

caries extending into dentin

67
Q

thermal sens
severe throbbing pain
pain on chewing

clincal ex
radi ex

A

pulpal caries

68
Q

therm sen
pain on pressure

clincical ex

A

fractured tooth

69
Q

therm sen
pain on pressure

dental history
clincial ex
occlus ex

A

recently placed restoration

70
Q

chem sens
therm sen
pain on pressure
mobility

occlusal ex

A

occlusal trauma

71
Q

severe throbbing pain

thermal and electric pulp tests percussion

A

pulpitis

72
Q 
non desc tooth pain 
nasal congesetion
sinus pressure 
headache 
clinical ex rad ex
A

sinus infection

73
Q

sudden sharp stabbing pain on tooth to tooth contact

exam for contact between restoration of dissimilar non precious metals

A

galvanic pain

74
Q

pain on chewing

clinic ex inlcuding palaption for apical tenderness

percussion

A

peridontal ligment inflammation

75
Q

cratered ares of enamel or dentin at cej in the shade of a wedge or v shaped tooth

clinical ex
occ ex

A

abrfraction

chapter 44 quiz (1 decks)

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