Technique Review and the Plastic Tooth

Question 1

Philosophy of Endo:

Answer 1

diagnosis, pretreatment, access, cleaning/ shaping, obturation, restoration

Question 2

EDA:

Answer 2

estimated depth of access

Question 3

What to measure prep:

Answer 3

EDA and ERL

Question 4

ERL sf:

Answer 4

estimated RG length

Question 5

Access to our tooth #8:

Answer 5

round triangle

Question 6

Position of apex of access triangle:

Answer 6

just coronal to cingulum

Question 7

Where to begin access prep:

Answer 7

in center, perp L surface, #2 round bur

Question 8

How far to penetrate initially w #2 round bur:

Answer 8

2-3mm into dentin (is there an avg enamel width to give us a total depth we should expect to go?)

Question 9

How do you create the proper outline form?

Answer 9

Funnel and penetrate

Question 10

Only penetrate to this depth:

Answer 10

EDA

Question 11

How to find the canal orifice:

Answer 11

endo explorer

Question 12

First thing to do after accessing pulp:

Answer 12

Establish WL

Question 13

Filing motion to use to get to WL:

Answer 13

watch-winding

Question 14

To determine WL:

Answer 14

Pre-curve 8 file, watch wind repeat w 10 & 15, once 15 is flush w major foramen (MF) take it out, measure length and subtract 0.5mm to get WL

Question 15

TF? Cleaning and shaping begins with 10 file.

Answer 15

F? (check) starts at 20 file

Question 16

Always check potency w this size file:

Answer 16

10

Question 17

8 file is (color)

Answer 17

gray

Question 18

10 file is (color):

Answer 18

purple

Question 19

15 file is (color):

Answer 19

white

Question 20

20 file is (color):

Answer 20

yellow (check)

Question 21

25 file is (color):

Answer 21

red (check)

Question 22

Why do we use GG in a step-back manner?

Answer 22

to flare the canal coronally

Question 23

Bw each successively larger GG we should check patency w:

Answer 23

10 file

Question 24

With every incremental increase GG size we instrument:

Answer 24

1mm less than the previous file

Question 25

green file:

Answer 25

35

Question 26

black file:

Answer 26

40

Question 27

45 file is (color):

Answer 27

white, same as 15

Question 28

50 file is (color):

Answer 28

yellow

Question 29

55 file is (color):

Answer 29

red

Question 30

60 file is (color):

Answer 30

blue

Question 31

Filing motion to use for step-back:

Answer 31

reaming

Question 32

what is reaming motion:

Answer 32

1/4 turn to R and pull out at same time

Question 33

To determine MAF:

Answer 33

Largest file that will fit to WL:

Question 34

2nd step back should go to this file size;

Answer 34

60

Question 35

When doing any step-back you should:

Answer 35

preserve files, irrigate, and check patency

Question 36

Should we always stop checking patency after size 45 file, like in slides?

Answer 36

check? I assume that at a certain diameter we will no longer be concerned about the apex getting occluded

Question 37

1st step after choosing gutta-perch (GP) cone:

Answer 37

cut tip to MAF

Question 38

Check for this with the GP cone:

Answer 38

apical tugback

Question 39

What to do if cone goes to WL w no tug back:

Answer 39

cut a little off tip

Question 40

Smaller plugger should be fit to:

Answer 40

5-7mm from Wl (largest plunger wo binding on canal walls)

Question 41

Larger plugger should be fit to:

Answer 41

1/2 WL(largest plunger wo binding on canal walls)

Question 42

Heat carrier should be profit to:

Answer 42

5-7mm from WL

Question 43

Do this before seating GP w seller:

Answer 43

dry canal w paper points

Question 44

How to place sealer in canal:

Answer 44

cone o file

Question 45

How far should the cone be seated?

Answer 45

to WL

Question 46

Cone should be seared at this level with buns burner heated instrument:

Answer 46

level of orifice

Question 47

Instrument to sear top of cone at orifice:

Answer 47

ondo spoon excavator (Glick #2)

Question 48

Size of condenser initially used:

Answer 48

large

Question 49

First process of condensing GP into canal is called:

Answer 49

downpack

Question 50

When to switch to smaller plugger during downpack:

Answer 50

once larger plugger reached 1/2 WL

Question 51

Once downpack is completed, start:

Answer 51

Backfill

Question 52

How to backfill:

Answer 52

2-3mm GP pieces

Question 53

How to add GP for backfill:

Answer 53

Warm GP in canal, grab new GP, run thru flame, place in canal, condense with small plugger

Question 54

Backfill to:

Answer 54

just apical to CEJ

Question 55

30 file is (color):

Answer 55

blue (Grey, Please Wipe Your Red Butt)