Endo Final Study Guide (22+21)

Question 1

T/f: Inject LA in swollen tissue:

Answer 1

False

Question 2

Best local anesthetic for bone penetration:

Answer 2

Articiane (thiophene ring)

Question 3

Taper of hand instruments at UMKC:

Answer 3

0.04

Question 4

Ludwig tissue spaces include:

Answer 4

sub-lingual;
sub-mandibular
sub-mental

Question 5

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

Answer 5

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

Question 6

Most common of all dental injuries:

Answer 6

Luxation injuries

Question 7

Order of least to greatest damage of lunation injury:

Answer 7

1. concussion
2. subluxation
3. extrusion
4. lateral
5. intrusive

Question 8

Direction and pressure to get straight file through canal:

Answer 8

Watch-winding turn

Question 9

Best way to check for pulp being numb:

Answer 9

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

Question 10

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

Answer 10

False

Question 11

Uncomplicated root fracture involves:

Answer 11

Dentin, and enamel (NO PULP)

Question 12

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

Answer 12

Inflammation of the PDL

Question 13

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

Answer 13

?

Question 14

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

Answer 14

True?

Question 15

HRF Worst outcome:

Answer 15

No healing, inflammatory tissue

Question 16

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

Answer 16

False- multifactorial

Question 17

Least severe luxation injury:

Answer 17

Concuccison

Question 18

Most severe luxation injury:

Answer 18

Intrusion

Question 19

Order of luxation injuries:

Answer 19

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

Question 20

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

Answer 20

tap water

Question 21

Shortest supplemental injection:

Answer 21

Intra-pulpal

Question 22

% NaOCl

Answer 22

8.3%

Question 23

How long must you irrigate with NaOCl?

Answer 23

30 min

Question 24

A classic example of AIP:

Answer 24

Polyp

Question 25

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

Answer 25

True

Question 26

Total removal of all pulp canal to terminal end:

Answer 26

pulpectomy

Question 27

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

Answer 27

False

Question 28

T/F: #4 bur on mandibular incisors:

Answer 28

False #2 bur is used on anterior teeth

Question 29

Maxillary pre-molar access shape:

Answer 29

Oval with MD buccal-palatal

Question 30

All of the following are vertical root fractures except: a) Jshape b) Drop pocket c) elevated tip d) previously treated successful RCT

Answer 30

C- elevated temp

Question 31

% of treatments that are left in RCT:

Answer 31

30%

Question 32

T/F: Use bur to find canal:

Answer 32

false

Question 33

NaOCl breaks down and becomes inactivated within:

Answer 33

3-5 min

Question 34

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

Answer 34

Previously initiated treatment

Question 35

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

Answer 35

Healthy tissue

Question 36

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

Answer 36

ORaseal

Question 37

DST is indicative of:

Answer 37

CAA

Question 38

Pimple on gums is indicative of:

Answer 38

CAA

Question 39

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

Answer 39

true

Question 40

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

Answer 40

true

Question 41

What tooth causes the most issues when trying to numb?

Answer 41

mandibular 1st molar

Question 42

Lingering pain is a sign of:

Answer 42

Irreversible symptomatic pulpitis

Question 43

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

Answer 43

reversible pulpitis

Question 44

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

Answer 44

False

Question 45

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:

Answer 45

False- you have to surgically expose

Question 46

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

Answer 46

allows roots to get stronger and apex to close

Question 47

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

Answer 47

dry time

Question 48

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

Answer 48

Both statements true

Question 49

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

Answer 49

False (not rigid)

Question 50

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

Answer 50

Lingual

Question 51

Access depth:

Answer 51

7 mm

Question 52

Which bur for mandibular incisor access?

Answer 52

#2 round or 333

Question 53

Narrowest MD access?

Answer 53

Mandibular central incisor

Question 54

Shape of access for maxillary central incisor:

Answer 54

Triangle with base at incisal

Question 55

Most likely to have 2 roots:

Answer 55

maxillary 1st premolar

Question 56

The worst thing you can do during access?

Answer 56

Perforations

Question 57

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

Answer 57

true

Question 58

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

Answer 58

Trapezoidal and DL

Question 59

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

Answer 59

seen in 95% of cases

Question 60

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

Answer 60

MB2

Question 61

Hardest root canal to perform:

Answer 61

Maxillary molar with 5 canals

Question 62

Biggest challenge for anesthetic:

Answer 62

Mandibular molar with SIP

Question 63

Which is the most important factor regarding 8.3% NaOCl

Answer 63

DONT let needle bind

Question 64

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

Answer 64

NaOCl to inactivate the EDTA

Question 65

Taper of blue vortex rotary files:

Answer 65

.06

Question 66

Which file is used for "scouting"

Answer 66

#10 SS hand file

Question 67

How to get the SS stuck in the dentin? bad

Answer 67

continued clock wise rotation

Question 68

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

Answer 68

Outer wall of canal

Question 69

OU