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Boards Prep > Endo (Mental dental) > Flashcards

Endo (Mental dental) Flashcards

1
Q

What type of tissue is pulp?

A

Loose connective tissue

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2
Q

What types of cells in the pulp secrete primary and secondary dentin?

A

Odontoblasts

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3
Q

What types of cells in the pulp secrete tertiary dentin?

A

Undifferentiatied mesenchymal cells

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4
Q

_____ dentin : pulpal response marked by calcification of tubules in response to slowly advancing caries or aging

A

Sclerotic dentin

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5
Q

_____ dentin: dentin reaction to minor damage

A

Reactionary dentin

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6
Q

____dentin: dentin reaction to major damage

A

Reparative dentin

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7
Q

_______: rapid response to rapidly advancing caries or other severe damage

A

Pulpal necrosis

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8
Q

What type of fiber is a large myelinated afferent nerve conveying sharp pain?

A

A delta

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9
Q

What type of fiber is a smaller unmyelinated nerve conveying dull pain?

A

C fiber

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10
Q

Reduced pain threshold , pain due to stimulus that does not normally cause a painful response

A

Allodynia

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11
Q

Heightened response to pain

A

Hyperalgesia

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12
Q

Pre auricular pain usually refers from what teeth
?

A

Mand molars: V3

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13
Q

What is the least reliable vitality test?

A

EPT

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14
Q

Thermal causes quick hypersensitive response
Caused by irritant

A

Reversible pulpitis

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15
Q

What is the periapical dx if pt has a DST?

A

CAA

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16
Q

What shape is the max incisors for access?

A

Triangular

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17
Q

What is the shape of access for mand molars?

A

Trapezoidal

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18
Q

What shape is the access of max molars?

A

Blunted triangle or rhombus

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19
Q

What is the color code for files in ascending order of diameter?

A

White
Yellow
Red
Blue
Green
Black

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20
Q

What is used to dissolve gutta percha is retreatment?

A

Chloroform

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21
Q

What is a common ingredient in sealer and gutta percha?

A

Zinc oxide eugenol

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22
Q

What is the hard tissue equivalent of I&D?

A

Trephination

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23
Q

In a apico, how much root tip is cut off?

A

3mm in a shallow bevel

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24
Q

In an apico, how much gp is removed and then retrograde sealed?

A

3mm

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25
Q

What material is used to fill the apico?

A

MTA

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26
Q

The earlier or later? into the RCT process the file breaks, the better the prognosis?

A

Later

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27
Q

A ____ perforation is common on mand molars on the distal side of the mesial root

A

Strip perf

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28
Q

What teeth are more prone to get strip perf?

A

Mesial root of mand molars (distal aspect)

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29
Q

How is a perf repaired?

A

MTA

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30
Q

Does a more coronal or apical perf have a better prognosis?

A

Apical

31
Q

Ellis classification class _____ (trauma)
Enamel only

A

Class 1

32
Q

Ellis classification class _____ (trauma)
Enamel and dentin

A

Class 2

33
Q

Ellis classification class _____ (trauma)
Enamel, dentin, and pulp

A

Class 3

34
Q

Ellis classification class _____ (trauma)
Traumatized tooth that has become non-vital

A

Class 4

35
Q

Ellis classification class _____ (trauma)
Luxation

A

Class 5

36
Q

Ellis classification class _____ (trauma)
Avulsion

A

Class 6

37
Q

In what scenarios should abx and tetanus booster be recommended for trauma?

A

Avulsion

38
Q

If a traumatized tooth has pulp exposed for less than 24 hours, what is treatment?

A

Direct pulp cap

39
Q

If a traumatized tooth has pulp exposed for more than 24 hours, what is treatment?

A

Cvek’s pulpotomy (partial pulpotomy)

40
Q

If a traumatized tooth has pulp exposed for more than or equal to 72 hours, what is treatment?

A

Pulpotomy

41
Q

What xrays should be taken for horizontal root fracture?

A

3 PAs (shift shots) and 1 occlusal radiograph

42
Q

IF a tooth is vital, how do you tx horizontal root fracture?

A

Splint ASAP (more rigid for longer for coronal fractures; more flexible for less time for apical fx)

43
Q

IF a tooth is necrotic, how do you tx horizontal root fracture?

A

RCT

44
Q

How do you treat concussion of tooth?

A

LEt it rest

45
Q

How should a subluxation be treated?

A

Flexible splint 1-2 wks

46
Q

How do you treat an intrusion with an immature tooth?

A

ALlow to re-erupt

47
Q

How do you treat an intrusion with closed apex?

A

Reposition, flexible splint, RCT

48
Q

____ resorption: damage to cementoblastic layer
Moves with angled radiographs

A

External resoprtion

49
Q

___ resorption: damage to odontoblastic layer
Does not move with angled radiographs
Well defined margins

A

Internal resportions

50
Q

Trauma induces odontoblasts to form extensive amounts of reparative dentin within pulp space

A

Calcific metamorphisis

51
Q

_____ targets odontoblasts to stimulate secondary dentin: dentin bridge formation

A

CaOH

52
Q

____ targets cementoblasts to stimulate hard tissues
Sets in presence of moisture
Antimicrobial
Non-resorbable
3 hour setting time
3 minerals: calcium, silicone, aluminum

A

MTA

53
Q

Removal of partial coronal portion of diseased pulp tissue
Carious or mechanical exposure <2mm

A

Cvek’s pulpotomy

54
Q

Removal of diseased pulp of the coronal portion of the tooth only

A

Pulpotomy

55
Q

What material is used to fix the pulp/ cover the pulp in a pulpotomy?

A

Formocresol

56
Q

Removal of diseased coronal and radicular pulp
Usually done to bridge the gap until RCT can be done

A

Pulpectomy

57
Q

Which teeth are commonly extracted in case of diseased primary pulp?

A

Primary first molars

58
Q

Purpose: maintain pulp vitality to stimulate root development and allow body to make a stronger root
Use MTA and CaOH on healthy or disease pulp
Includes any Pulpotomy, IPC, DPC, Cvek performed on immature permanent tooth

A

Apexogenesis

59
Q

Disinfeciton of root followed by induction of an acceptable apex barrier
CaOH or MTA is used to at base of canal to seal off apex after pulpectomy is done taking out diseased or healthy pulp
Includes any pulpectomy done on an immature perm tooth

A

Apexification

60
Q

What is the most reliable testing method for endo testing?

A

Percussion

61
Q

SIP in which site refers to the ear?

A

Mand molars

62
Q

In cracked tooth syndrome, what directions do cracks usually run?

A

MD

63
Q

What is the best way to evaluate cracked tooh syndrome?

A

Dyes and lights

64
Q

Which tissues will not regenerate followoing RCT?
Dentin
cementum
PDL
Bone

A

Dentin

65
Q

What is the ideal tx option for VRF?

A

TE

66
Q

If you have a perio endo lesion, what tx do you do first?

A

Endo

67
Q

What type of bacteria is found in a necrotic pulp needing RCT?

A

Obligate anaerobes (Bacteriodes)

68
Q

What type of bacteria is found in a PT tooth needing retreatment?

A

Facultative anaerobe

69
Q

Where is the danger zone for strip perfs on mand molars?

A

Distal aspect of mand molars on mesial root

70
Q

What constitiues the largest portion of gutta percha material?

A

Zinc oxide

71
Q

What type of file is a K type file?

A

stainless steel

72
Q

____ is an irigant used to disinfect canal and dissolve organic material

A

Sodium hypochlorite

73
Q

_____ is a chelating agent use to dissolve inorganic material to clear smear layer of dentin

A

EDTA

Boards Prep (21 decks)

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