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Endo (Mental dental) Flashcards

(73 cards)

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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
What material is used to fill the apico?
MTA
26
The earlier or later? into the RCT process the file breaks, the better the prognosis?
Later
27
A ____ perforation is common on mand molars on the distal side of the mesial root
Strip perf
28
What teeth are more prone to get strip perf?
Mesial root of mand molars (distal aspect)
29
How is a perf repaired?
MTA
30
Does a more coronal or apical perf have a better prognosis?
Apical
31
Ellis classification class _____ (trauma) Enamel only
Class 1
32
Ellis classification class _____ (trauma) Enamel and dentin
Class 2
33
Ellis classification class _____ (trauma) Enamel, dentin, and pulp
Class 3
34
Ellis classification class _____ (trauma) Traumatized tooth that has become non-vital
Class 4
35
Ellis classification class _____ (trauma) Luxation
Class 5
36
Ellis classification class _____ (trauma) Avulsion
Class 6
37
In what scenarios should abx and tetanus booster be recommended for trauma?
Avulsion
38
If a traumatized tooth has pulp exposed for less than 24 hours, what is treatment?
Direct pulp cap
39
If a traumatized tooth has pulp exposed for more than 24 hours, what is treatment?
Cvek's pulpotomy (partial pulpotomy)
40
If a traumatized tooth has pulp exposed for more than or equal to 72 hours, what is treatment?
Pulpotomy
41
What xrays should be taken for horizontal root fracture?
3 PAs (shift shots) and 1 occlusal radiograph
42
IF a tooth is vital, how do you tx horizontal root fracture?
Splint ASAP (more rigid for longer for coronal fractures; more flexible for less time for apical fx)
43
IF a tooth is necrotic, how do you tx horizontal root fracture?
RCT
44
How do you treat concussion of tooth?
LEt it rest
45
How should a subluxation be treated?
Flexible splint 1-2 wks
46
How do you treat an intrusion with an immature tooth?
ALlow to re-erupt
47
How do you treat an intrusion with closed apex?
Reposition, flexible splint, RCT
48
____ resorption: damage to cementoblastic layer Moves with angled radiographs
External resoprtion
49
___ resorption: damage to odontoblastic layer Does not move with angled radiographs Well defined margins
Internal resportions
50
Trauma induces odontoblasts to form extensive amounts of reparative dentin within pulp space
Calcific metamorphisis
51
_____ targets odontoblasts to stimulate secondary dentin: dentin bridge formation
CaOH
52
____ targets cementoblasts to stimulate hard tissues Sets in presence of moisture Antimicrobial Non-resorbable 3 hour setting time 3 minerals: calcium, silicone, aluminum
MTA
53
Removal of partial coronal portion of diseased pulp tissue Carious or mechanical exposure <2mm
Cvek's pulpotomy
54
Removal of diseased pulp of the coronal portion of the tooth only
Pulpotomy
55
What material is used to fix the pulp/ cover the pulp in a pulpotomy?
Formocresol
56
Removal of diseased coronal and radicular pulp Usually done to bridge the gap until RCT can be done
Pulpectomy
57
Which teeth are commonly extracted in case of diseased primary pulp?
Primary first molars
58
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
Apexogenesis
59
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
Apexification
60
What is the most reliable testing method for endo testing?
Percussion
61
SIP in which site refers to the ear?
Mand molars
62
In cracked tooth syndrome, what directions do cracks usually run?
MD
63
What is the best way to evaluate cracked tooh syndrome?
Dyes and lights
64
Which tissues will not regenerate followoing RCT? Dentin cementum PDL Bone
Dentin
65
What is the ideal tx option for VRF?
TE
66
If you have a perio endo lesion, what tx do you do first?
Endo
67
What type of bacteria is found in a necrotic pulp needing RCT?
Obligate anaerobes (Bacteriodes)
68
What type of bacteria is found in a PT tooth needing retreatment?
Facultative anaerobe
69
Where is the danger zone for strip perfs on mand molars?
Distal aspect of mand molars on mesial root
70
What constitiues the largest portion of gutta percha material?
Zinc oxide
71
What type of file is a K type file?
stainless steel
72
____ is an irigant used to disinfect canal and dissolve organic material
Sodium hypochlorite
73
_____ is a chelating agent use to dissolve inorganic material to clear smear layer of dentin
EDTA

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