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Endodontics > Endo Final Study Guide (22+21) > Flashcards

Endo Final Study Guide (22+21) Flashcards

1
Q

T/f: Inject LA in swollen tissue:

A

False

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2
Q

Best local anesthetic for bone penetration:

A

Articiane (thiophene ring)

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3
Q

Taper of hand instruments at UMKC:

A

0.04

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4
Q

Ludwig tissue spaces include:

A

sub-lingual;
sub-mandibular
sub-mental

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5
Q

T/F: The best prognosis is solely based on time for HRF

A

False
1. it is based on time since injury
2. age of patient
3. cooperation of patient
4. follow-up availability
5. approximation opportunities
6. stabilization options

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6
Q

Most common of all dental injuries:

A

Luxation injuries

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7
Q

Order of least to greatest damage of lunation injury:

A
  1. concussion
  2. subluxation
  3. extrusion
  4. lateral
  5. intrusive
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8
Q

Direction and pressure to get straight file through canal:

A

Watch-winding turn

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9
Q

Best way to check for pulp being numb:

A

Endo ice- whatever was causing the tooth to have pain in the first place

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10
Q

J-lesion on x-ray is safe to assume vertical root fracture:

A

False

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11
Q

Uncomplicated root fracture involves:

A

Dentin, and enamel (NO PULP)

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12
Q

The ability to point to an exact tooth means that what has been affected?

A

Inflammation of the PDL

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13
Q

T/F: VItal pulp therapy (VPT) is an appropriate alternative for HRF Class 3 (Ellis)

A

?

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14
Q

T/F: Would a small pulpal exposure with no other dental hx turn diagnosis into irreversible pulpitis?

A

True?

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15
Q

HRF Worst outcome:

A

No healing, inflammatory tissue

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16
Q

T/F: The most important outcome from HRF is the time it occurred:

A

False- multifactorial

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17
Q

Least severe luxation injury:

A

Concuccison

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18
Q

Most severe luxation injury:

A

Intrusion

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19
Q

Order of luxation injuries:

A

Least:
1. concussion
2. subluxation
3. extrusion
4. lateral
5. intrusion

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20
Q

It is recommended to run and avulsed tooth under all but:

A

tap water

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21
Q

Shortest supplemental injection:

A

Intra-pulpal

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22
Q

% NaOCl

A

8.3%

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23
Q

How long must you irrigate with NaOCl?

A

30 min

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24
Q

A classic example of AIP:

A

Polyp

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25
Q

T/F: Cold testing was negative, to confirm do EPT:

A

True

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26
Q

Total removal of all pulp canal to terminal end:

A

pulpectomy

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27
Q

T/F: A long needle is needed for gow gates:

A

False

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28
Q

T/F: #4 bur on mandibular incisors:

A

False #2 bur is used on anterior teeth

29
Q

Maxillary pre-molar access shape:

A

Oval with MD buccal-palatal

30
Q

All of the following are vertical root fractures except:

a) Jshape
b) Drop pocket
c) elevated tip
d) previously treated successful RCT

A

C- elevated temp

31
Q

% of treatments that are left in RCT:

A

30%

32
Q

T/F: Use bur to find canal:

A

false

33
Q

NaOCl breaks down and becomes inactivated within:

A

3-5 min

34
Q

Dentist removes nerve and puts temporary material in tooth, what is the dx?

A

Previously initiated treatment

35
Q

Previous dentist removed nerve and tooth is not responsive to sensitivity tests. No PARL. Periapical diagnosis?

A

Healthy tissue

36
Q

What is used to ensure a seal is placed in addition to a rubber dam?

A

ORaseal

37
Q

DST is indicative of:

A

CAA

38
Q

Pimple on gums is indicative of:

A

CAA

39
Q

T/F: If you can’t place a rubber dam then it is below the standard of care

A

true

40
Q

MB2 canal with maxillary 1st molar is seen in 95% of cases

A

true

41
Q

What tooth causes the most issues when trying to numb?

A

mandibular 1st molar

42
Q

Lingering pain is a sign of:

A

Irreversible symptomatic pulpitis

43
Q

Tooth brush abrasion. Hypersensitivity to cold but normal response for all other clinical tests.

A

reversible pulpitis

44
Q

T/F: VRF has a better prognosis than HRF:

A

False

45
Q

There is a J shaped lesion and a single 10mm perio pocket (drop off) on previously treated RCT. Which this information it is safe to assume its VRF:

A

False- you have to surgically expose

46
Q

Why would you use VPT on open apex of immature tooth?

A

allows roots to get stronger and apex to close

47
Q

Most important factor for achieving a favorable outcome of an avulsed tooth:

A

dry time

48
Q

IRR has excellent prognosis if RCT is done before perforation into PDL space. ERR has poor prognosis.

A

Both statements true

49
Q

Rigid and semi flexible prevent ankylosis by allow for some small movements:

A

False (not rigid)

50
Q

On a mandibular incisor there can be two canals. Which one are you likely to miss if you do not create your access incisally?

A

Lingual

51
Q

Access depth:

A

7 mm

52
Q

Which bur for mandibular incisor access?

A

2 round or 333

53
Q

Narrowest MD access?

A

Mandibular central incisor

54
Q

Shape of access for maxillary central incisor:

A

Triangle with base at incisal

55
Q

Most likely to have 2 roots:

A

maxillary 1st premolar

56
Q

The worst thing you can do during access?

A

Perforations

57
Q

If you fail to locate and obtuse a canal during RCT it is likely it will fail

A

true

58
Q

Mandibular molar has a ____ outline and acid missing the ___ canal

A

Trapezoidal and DL

59
Q

What is true about MB2 canals with maxillary 1st molars?

A

seen in 95% of cases

60
Q

Most common reason to have retreatment for maxillary 1st molars:

A

MB2

61
Q

Hardest root canal to perform:

A

Maxillary molar with 5 canals

62
Q

Biggest challenge for anesthetic:

A

Mandibular molar with SIP

63
Q

Which is the most important factor regarding 8.3% NaOCl

A

DONT let needle bind

64
Q

What is the first thing to do after 1 min of EDTA use?

A

NaOCl to inactivate the EDTA

65
Q

Taper of blue vortex rotary files:

A

.06

66
Q

Which file is used for “scouting”

A

10 SS hand file

67
Q

How to get the SS stuck in the dentin? bad

A

continued clock wise rotation

68
Q

When using a straight file, the lede is created on which area?

A

Outer wall of canal

69
Q

OU

A

Endodontics (19 decks)

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