Lec Course Policies and Intro

Question 1

Define endo:

Answer 1

deals w morphology, physiology, pathology of pulp and periradicular tissues

Question 2

Yrs of training to be an endodontist:

Answer 2

2+

Question 3

To be an endodontist. you must get certiificate from:

Answer 3

CODA accredited education program

Question 4

TF? Endodontists can practice general dentistry.

Answer 4

F

Question 5

% of endo done by general dentists:

Answer 5

80%+

Question 6

of RCT/yr:

Answer 6

22 million+

Question 7

If you don’t plan on doing endo in practice you still need to:

Answer 7

have knowledge of disease process to make dx and to refere

Question 8

Define RCT:

Answer 8

elimination of pulp tissue and microorganisms, cleaning and shaping of root canal system, obturation

Question 9

Goal of RCT:

Answer 9

prevention, or elimination of periradicular disease

Question 10

Root canal systems include:

Answer 10

lateral/ accessory canals, isthmuses, and ramifications

Question 11

Req for a tooth to be saveable via endo:

Answer 11

foramina can be sealed (w/ or wo surgery), periodontically sound or can be made so

Question 12

Are there ever circumstance in which a tooth is not periodontically sound but you belive it can be made soon and, therefore, perform endo before it endodontically sound?

Answer 12

ask? check?

Question 13

RCT is done to:

Answer 13

eliminate canal system as if the tooth were extracted

Question 14

2 main reasons for endo:

Answer 14

inflamed or infected pulp

Question 15

TF? pulpal inflammation or infection is a continuation of the same disease.

Answer 15

T

Question 16

1’ cause of endo disease:

Answer 16

bacteria

Question 17

Causes of endo disease:

Answer 17

caries, trauma, cracks, deep restos

Question 18

TF? no bacteria = no disease.

Answer 18

T

Question 19

TF? Caries must reach pulp directly for pulpal pathosis to occur.

Answer 19

F.

Question 20

How can caries reach pulp and cause pulpal pathosis if it doesn’t reach pulp directly?

Answer 20

invade dentinal tubules

Question 21

Direction of the spread of pathosis:

Answer 21

coronal-apical direction

Question 22

TF? Caries must reach pulp for pulpal pathosis to occur..

Answer 22

T

Question 23

When performing endo, do we remove dentin?

Answer 23

yes

Question 24

When performing endo, do we enlarge the pulp space?

Answer 24

yes

Question 25

Hard tissues of tooth:

Answer 25

enamel, dentin, cementum

Question 26

Soft tissue of tooth:

Answer 26

pulp

Question 27

What is the pulp:

Answer 27

richly vascularized and innervated CT of ectomesenchymal origin

Question 28

What is the pulp surrounded by:

Answer 28

dentin, not flexible

Question 29

Fxns of pulp

Answer 29

inductive, formative, nutritive, sensory and protective

Question 30

Why does pulpal inflammation cause so much pain:

Answer 30

surrounding dentin is not flexible

Question 31

**** Main function of pulp:

Answer 31

formative

Question 32

Pulpal changes w time:

Answer 32

dec size, nerves, BV's

Question 33

These inc in time in the pulp:

Answer 33

calcification, fibrosis

Question 34

Type of dentin the pulp lays down:

Answer 34

3' or pulpal dentin

Question 35

Layers from pulp core and out:

Answer 35

pulpal core, cell-rich zone, cell-free zone (of Weil), Odontoblastic layer, predentin, dentin

Question 36

Pneumonic to remember layers, pulp and out:

Answer 36

PC COPD

Question 37

Common mistake when access pulp chamber of multirooted teeth

Answer 37

drilling through pulp horn and not removing pulpal ceiling

Question 38

This should be visualized anytime you have a multirooted tooth:

Answer 38

pulp camber floor

Question 39

Do all lateral canals connect the pulp to the periradicular space?

Answer 39

ask, slide 31 of 48 (Course Policies and Intro) I assume since lateral canals arise from rests in the PDL

Question 40

Which 3rd of the tooth do most endo issue occur?

Answer 40

apical 3rd

Question 41

To where do we clean, shape and obturate?

Answer 41

apical constriction

Question 42

Apical constriction is aka:

Answer 42

minor apical diameter, minor foramen

Question 43

Major apical diameter is aka:

Answer 43

apical foramen

Question 44

Do the anatomical apex and RG apex always coincide?

Answer 44

ask? check? I can't think of why they wouldn't Slide 33 of 48 Course Policies and Intro

Question 45

Are root canals lined with cementum?

Answer 45

Not beyond the CDJ near apex

Question 46

TF? Sometime CDJ is interchangeable w minor apical diameter.

Answer 46

T, but not always

Question 47

The CDJ ranges from ___ -___mm from anatomic apex:

Answer 47

0.5-3mm

Question 48

Apical foramen is aka:

Answer 48

major apical diameter

Question 49

minor apical diameter, how far from major foramen?

Answer 49

0.5-1mm

Question 50

TF? Minor apical diameter is sometimes in same position as CDJ.

Answer 50

T

Question 51

Philosophy of Endo:

Answer 51

dx, pretreat, access, clean and shape, obturate, restore

Question 52

Info req for dx:

Answer 52

chief complaint, hx, clinical exam, RG exam, pulp test

Question 53

What to do if pulp test result don't not match chief complaint

Answer 53

there may be 2 issues or redo the pulp test

Question 54

Apical periodontitis is aka:

Answer 54

lesion of endodontic origin (LEO)

Question 55

When to dx solely based on RG:

Answer 55

NEVER!! always pulp test

Question 56

TF? All "lesions of endo origin" are periapical lesions.

Answer 56

T check. ask

Question 57

Purpose of pretreatment:

Answer 57

to eliminate factors complicating successful endo and future resto

Question 58

2 forms of endo:

Answer 58

operative or periodontal manipulation ???

Question 59

Example of pretreatment for endo:

Answer 59

crown lengthening

Question 60

Purpose of access cavity:

Answer 60

Ease of cleaning, shaping, obturating

Question 61

Fxn of chemical irrigants in endo:

Answer 61

demineralize dentin, dissolve pulp tissue, eliminate bacteria and their byproducts

Question 62

This is most important for eliminating the cause of endodontic disease:

Answer 62

Irrigation

Question 63

TF? We debride the canal space when cleaniing and shaping.

Answer 63

T

Question 64

Technique to use for obturation:

Answer 64

aseptic technique