Important Info 2.2

Question 1

Where to bend irrigation thing?

Answer 1

I put 2mm short of working length

• Other options were 1mm short of WL, at WL, beyond WL, or 5mm short of WL

this is correct based on last semesters lecture- haley

Question 2

Case study about a dilaceration?

Answer 2

re-treat by endo

Question 3

Case study about the MB2 canal probably beign missed in the maxillary 1st molar

Answer 3

re-treat by endo

Question 4

A student doctor perforated the coronal part of the root. The pt only had pulpal symptoms before, but after that RCT, they had periapical symptoms. What do you do now?

Answer 4

I said to refer to endo to see the prognosis of healing that perforation

Question 5

Someone came in with slight fever and some swelling. What’s the PA dx?

Answer 5

acute apical abscess

Question 6

There was a molar that had an RCT a few weeks ago. PA symptoms now, and there was a possibility of perforation. What do you do?

Answer 6

• Retreat it
• Or refer it to endo for tx possibilities and prognosis
• I think I put to refer it cuz of the possible perforation

Question 7

Person had a pimple (a DST I believe.) what do you do?

Answer 7

Extract???
or
RCT???

probably a root canal if possible?

Question 8

Case study about Tooth #23

Answer 8

I put re-treatment by endo bc they might have missed a 2nd canal

Question 9

What do you need for hydraulic technique?

Answer 9

0.04 cone, single cone, sealer

Question 10

What do you need for CLC?

Answer 10

0.02 cone, finger spreaders, accessory GP cone

Question 11

What temp is the alpha phase

Answer 11

42-44 C
(referring to GP- obturation lecture)

I’m not sure we need to know this

Question 12

What is the main component of gutta percha?

Answer 12

zinc oxide

Question 13

What do you use to get rid of the dentin triangle?

Answer 13

we use 25/.08 vortex orifice opener now

Question 14

What do you scout canals with

Answer 14

10 file

Question 15

What bend do you have to do to get past curves

Answer 15

45 degree in last 1.5mm

Question 16

When are you done with the vortex?

Answer 16

When you have white filings on the apical 1/3

Question 17

Where are you gonna transport the canal?

Answer 17

On the outer curve

Question 18

What is it when 2 canals from orifice turn into 1 canal at apex?

Answer 18

type 2

Question 19

What is type 2?

Answer 19

2 at orifice🡪1 at apex

Question 20

How do you determine if its type 2 or 3?

Answer 20

Two file technique

Question 21

The single most important factor for RCT success is…

Answer 21

case selection

Question 22

True or false – WL is 1mm past the apex

Answer 22

false

Question 23

What does the apex locator tell you?

Answer 23

when you are outside of the tooth

Question 24

If you perforate: then dry carefully, put CaOH, then put cavit, then cotton, then temp restoration. True or false?

Answer 24

True (this is the wrong order according to the slides)

put CaOH (disinfect), protect canals with cotton, use cavit, seal tooth with temp restoration

Question 25

What’s the main thing we use bw appointments in the canals?

Answer 25

CaOH

Question 26

Which one is transported easily?

Answer 26

Distal of mesial canals of mandibular molars

Question 27

Which one is the least likely to get transported? a. MF canals of max molars b. 2 canal PMs c. Mesial canals of mand molars d. Something else that wasn’t on that slide

Answer 27

d. Something else that wasn’t on that slide

Question 28

Worst mistake to make?

Answer 28

perforation

Question 29

# True/false Iatrogenic errors can be prevented with education, care, etc.

Answer 29

True

Question 30

Ledges can lead to

Answer 30

Blockages, transportation, and perforation

Question 31

After correct dx, there is never an excuse to do RCT on the wrong tooth

Answer 31

True

Question 32

Which is not a consideration when deciding if you can do RCT?

Answer 32

Color of the pulp or something

Question 33

What do you use to get rid of smear layer?

Answer 33

EDTA

Question 34

Something about how long the apical constriction is or something

Answer 34

1mm

Question 35

What’s the purpose of recall appointment?

Answer 35

To see if further tx is needed, to see if it’s healed, and something else. Answer was all of the above

Question 36

What do you do after you take the WL radiograph?

Answer 36

create glide path with #15 file

Question 37

Something about what do you do if you blow out

Answer 37

Shorten the WL

Question 38

What is the preferred thing to fix perforations?

Answer 38

MTA

Question 39

What file do you use for the Buccal of maxillary premolar? .25/.06 .30/.06 .35/.06

Answer 39

.30/.06 | i believe ours would be .30/.04 bc we use vortex blue's with .04 taper

Question 40

primary consideration for RCT tx except:

Answer 40

esthetics

Question 41

why use wave one every 1/3 of root?

Answer 41

Because they push debris ahead of file

Question 42

shape of maxillary central incisors access?

Answer 42

Triangle with base of tri towards the incisal

Question 43

obturate canal goes to what distance in the root?

Answer 43

goes to the WL