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Operative 1 > Deep Caries Removal > Flashcards

Deep Caries Removal Flashcards

1
Q

the _______ is s an extremely
sensitive part of the tooth

A

DEJ

where enamel and dentin meet.

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2
Q

what is the most accepeted theory for pain transmission?

A

Hydrodynamic theory

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3
Q

dentinal tubules are filled with

A

odontoblastic processes

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4
Q

odontoblastic processes are wrapped in

A

fferent nerves and dentinal fluid

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5
Q

Hydrostatic pressure changes within the tubules caused by external stimuli can
cause ________ to the pulp through ________ within the tubules

A

pain; fluid movement

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6
Q

DENTIN MUST BE TREATED WITH GREAT ________ DURING RESTORATIVE PROCEDURES.

A

CARE

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7
Q

Dentin should not be

A

dehydrated by air blasts

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8
Q

when cutting with high speed _____ should be used

A

Air-water spray

avoids heat build up and the
destruction of the odontoblastic
processes in the dentin

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9
Q

2- visit caries control at UMKC

A

not often done

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10
Q

when might you do a 2 caries visit

A

Caries is extensive enough that pulpal complications are likely to occur soon

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11
Q

infected dentin

A

Microorganisms are present
* Soft, leathery

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12
Q

what dentin is soft, leathery

A

infected

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13
Q

affected dentin

A

Dry, powdery

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14
Q

what dentin is Dry, powdery

A

affected dentin

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15
Q

can you always tell where affected dentin ends and infected begins?

A

no alway with 100% certainty

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16
Q

what is the objective on an indirect pulp cap?

A

avoid direct

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17
Q

indirect pulp cap is Used when

A

a deep carious lesion occurs and there is no clinical or radiographic evidence of irreversible pulp damage

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18
Q

for an indirect pulp cap tooth should be

A

Be completely asymptomatic
* Show signs of reversible pulpitis
* Ex: moderate cold sensitivity, with pain subsiding
within about 15 second

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19
Q

what are the two apporaches to indirect pulp cap?

A
  • two appointment
  • one appointment
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20
Q

indirect pulp cap 2 appointment approach first appointment

A
  1. removal caries (except deepest near pulp)
  2. add Dycal or Life
  3. add Vitrbond
  4. put temp rest.
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21
Q

Dycal is

A

calcium hydroxide

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22
Q

Vitrbond is a

A

glass ionomer

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23
Q

for indirect pulp cap visit one is it okay to leave undermined enamel?

A

sometimes if it is to temporarily to help hold in the temporary restoration

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24
Q

how long should be between the 1st and 2nd apt. in indirect pulp cap 2 appt.?

A

6-12 weeks

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25
Q

indirect pulp cap 2 appointment approach 2nd appointment

A
  1. make sure pt is asymtpmatic
  2. remove temp
  3. carefully remove infected dentin(leave affected)
  4. place new liner of Dycal
  5. cover with Vtrbond
  6. remove all underminded enamel
  7. restore
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26
Q

for indirect pulp cap what is the approach used at umkc?

A

one-appointment

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27
Q

how does the single appt. indirect pulp cap differ from the 2

A
  • do all steps in one appt
  • leave affected only
  • may be able to leave small affected dentin in some areas
28
Q

if there is a pulp exposure can we do a indirect pulp cap

A

NO must do direct

29
Q

Direct Pulp cap used when

A

a small pulpal exposure occurs during cavity preparation

30
Q

in direct pulp cap a thin layer of _____ is placed over exposed pulp

A

calcium hydroxide

then glass ionomer over this to stimulate secondary odontoblasts

31
Q

It is most successful when the exposure is
________________ rather than ____________

A

mechanical; carious

32
Q

what helps to make a direct pulp cap succuessful?

A
  • young pt, site less and 0.5 mm
  • bleeding is controled
  • no pus or serous exudate
  • area not been contaminated
  • no mech. damage to pulp tissue
33
Q

on boards do not leave

A

affected dentin!!!!!!!!! direct pulp cap is indicated

34
Q

direct pulp cap may not be

A

sucessful

confrim with pt later

35
Q

direct pulp caps are more effective on

A

young pts (large pulp chambers and better circulation)

36
Q

direct pulp caps work better at the _____ than at the _______

A

tips of pulp horns; side of a pulp chamber

37
Q

if tooth needs a crn after a direct pulp cap the tooth needs

A

root canal do not rely on direct pulp cap

38
Q

we want to ______ the cavity

A

seal

39
Q

A broken or leaky restoration =

A

failure because bacteria will leak into the pulp and kill it

40
Q

size of pulp cavity ____ with age

A

decreases

41
Q

young children have

A

larger pulp then adults

also more reparative

42
Q

rate of formation of reparative dentin

A

100 days to form a 0.12mm thick layer

SLOW

43
Q

Reversible Pulpitis

A

an irritant that pain that lingers no more than 10 to 15 seconds after removal

44
Q

Pulpitis

A

swelling of the pulp

45
Q

reversible pulpitis can be treated with a

A

restoration

46
Q

Irreversible Pulpitis

A

spontaneous, or–if elicited by an irritant–lingers more
than 15 seconds

47
Q

Irreversible Pulpitis normaly treated with

A

root canal

48
Q

Pulpal Necrosis

A

spontaneous, continuous, throbbing pain or pain elicited by heat that can be relieved by
cold, and then, later, with no response to any stimulus

49
Q

Pulpal Necrosis a ______ is needed

A

root canal

50
Q

Maxillary Sinusitis Usually manifests a

A

cold sensitivity, and sometimes spontaneous pain, in the maxillary posterior teeth. Often hard to isolate to a single tooth.

51
Q

Cracked tooth Usually manifests as

A

as cold sensitivity, or a sudden—usually unreproducible—pain when chewing.

52
Q

what can be used to see if a tooth is cracked

A

Tooth Sleuth

53
Q

Occlusal trauma Usually manifests as

A

cold sensitivity, or pain in chewing

54
Q

Cementum is ______ than dentin

A

softer

55
Q

Cementum is _____ in color than dentin

A

lighter

56
Q

What has the highest fluoride
content of all the mineralized tissue?

A

cementum

57
Q

in _____ teeth enamal and cementin do not meet

A

10%

dentin is exposed

58
Q

Both abrasion lesions and erosion lesions on the root can be

A

hypersensitive because of the
exposed dentin

59
Q

Gluma

A

topical desensitize

60
Q

_______ is the worst type of tooth contour

A

overcontouring

61
Q

overcontouring results in

A

in flabby, red-colored, chronically inflamed gingiva and increased plaque retention

62
Q

undercontour results in

A

trauma to the gingival tissues

63
Q

proximal contact should

A

leave enough room for gingiva

64
Q

improper contact can result in

A
  • food impaction
  • producing periodontal disease
  • carious lesions
  • possible movement of the teeth.
65
Q

where are the contact located in the max and man central insicors

A

incisal 1/3

66
Q

Proximal contacts are ________ to
the center of the proximal surface
faciolingually

A

slightly facial

67
Q

It is extremely important to not destroy attached __________ in the restorative process.

A

keratinized tissue

Operative 1 (15 decks)

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