Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

1. SBA > endo > Flashcards

endo Flashcards

1
Q

What is the purpose of dental dam during endo tx?

A

isolates the tooth to prevent contamination during tx

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Why is a front surface mirror preferred in endo?

A

Prevents double imaging during endodontic procedures.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the DG16 probe used for?

A

long, sharp probe used for locating canals and scraping

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is an access cavity?

A

Opening to locate canals and clean pulp chamber.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What type of bur is the Endo Z bur?

A

safe-ended (allows pulp access without injury)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Define straight line access:

A

a direct path to the canal orifices for tx

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Describe the process of coronal flaring.

A

Widening of the coronal 1/3 of the canal to aid access.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Which bur is used for coronal flaring and why?

A

gates glidden - only cuts the side of canals.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Which term describes keeping the apical canal free of debris during endodontic treatment?

A

patency

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is recapitulation?

A

re-introducing files to maintain cleanliness during prep

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Where is the working length measured from?

A

the reference point to the apical foramen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Which device measures the distance to the root apex using currents?

A

EAL - electronic apex locator

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the SLOB rule for rood identification?

A

Same Lingual, Opposite Buccal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What are paper points used for during endo?

A

Checking for blood and / or drying the canals.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Which type of file is routinely used for canal cleaning?

A

K File

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Which method of x-ray is used for endo without the use of an endo ray holder?

A

bisecting angle technique - used when paralleling technique isn’t feasible.
(limited in access, by rubber dam placement or other pt challenges)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Where is the canal orifice?

A

The opening of the canal where cleaning and shaping occur.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

When may the EAL be ineffective?

A

In crowns and open apex situations.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What is the main limitation when using radiographs to aid endodontic procedures?

(think visualisation)

A

It is a 2D image of a 3D structure so may misrepresent canal anatomy.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Constituents of GP

A

20% gutta percha
80% ZnO

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Which material makes up BioRoot

A

calcium silicate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

In modified single cone obturation technique, what material is placed over the canal orifices?

A

RMGIC (vitrebond)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

How much excess GP is removed below the CEJ during obturation?

A

1mm of GP

24
Q

What material can be used to block out gaps in the dental dam?

A

oraseal (corking agent)

25
Q

Why can’t an EAL be used on immature roots?

A

Due to the open apices - EAL only detects apical constrictions.

26
Q

Stainless steel hand files are made from which 2 elements?

A

iron and carbon

27
Q

What is the difference between a K file and hedstrom file?

A

K files - used to locate canals and create a glide path.
hedstrom - more rapid enlargement of root canal.

28
Q

When instrumenting curves canals, should stainless steel or NiTi files be used and why?

A

NiTi - more flexible and lower modules of elasticity.

29
Q

What are the angles of clockwise and anticlockwise motions when using the WOG?

A

C - 30º
AC - 150º

30
Q

Define patency in terms of the 10 k file.

A

10 K file goes 0.5mm beyond the WL

31
Q

Which technique is a combination of the crown down and step back technique?

A

modified double flare technique

32
Q

How many root canals are there in mandibular molars?

A

3 canals - 2 mesial, 1 or 2 distal

33
Q

Depth of MTA required for an apical plug.

A

3-5mm

34
Q

How much apical GP should be maintained when placing a post and core?

A

4-5mm

35
Q

What are temporary posts made out of?

A

aluminium

36
Q

What NHS band does a root filling fall into?

A

2

37
Q

Which sensibility material is preferred for large pulps and open apices?

A

ethyl chloride

38
Q

What inclination of tooth would contraindicate endo?

A

30 º

39
Q

What would be seen on radiographs for chronic PAP

A
  1. loss of lamina dura
  2. PDL widening
  3. PA radiolucency
40
Q

MAF (master apical file)

A

The largest file used to shape the canal to the full length.

41
Q

Estimated Working Length

A

Measurement from a pre-op radiograph to show how long the canal is.

42
Q

Working Length

A

The distance from the coronal reference point to the point of which the canal prep should terminate.

(0.5-1mm short of zero reading)

43
Q

What does TTP tell you about the tooth?

A

Detects inflammation around the PDL

44
Q

Radiographs provide information about:

A
  • normal / abnormal root form
  • depth of caries
  • number, course, shape, length and width of canals
  • material/obstructions present in the canal
  • any external / internal resorption present
  • if the lamina dura is continuous or not
  • extent of PA bone destruction
  • helps make a diagnosis
45
Q

What is another term for chronic hyperplastic pulpitis?

A

pulp polyp

46
Q

Which type of tissue forms due to long standing, low grade irritation in the pulp chamber?

A

granulation tissue

  • in the formation of a pulp polyp.
47
Q

Describe the clinical features of a pulp polyp, including symptoms and the type of pts this is normally seen in.

A
  • red painless swelling which fills most of the pulp chamber.
  • bleeds easily due to rich vascular network.
  • usually seen in young adults and children.
48
Q

Which part of the tooth structure does internal resorption usually occur in?

A

The dentine of the pulp chamber / root canals.

49
Q

Pts presenting with internal resorption usually have a history of what?

A

trauma

50
Q

Which type of treatment will stop the internal resorptive process?

A

Extirpation

51
Q

Which part of the tooth structure does external root resorption usually involve?

A

cementum +/- dentine

52
Q

Causes of external root resorption:

A
  • periradicular inflammation from trauma
  • excessive orthodontic forces
  • granuloma / cyst / central jaw tumour
  • replantation of teeth
  • bleaching
  • impaction of teeth / systemic disease
  • may be idiopathic
53
Q

What classes as small or no curvature on the ECAT tool?

A

< 30º

54
Q

What classes as moderate curvature on the ECAT tool?

A

30-45º

55
Q

What classes as severe curvature on the ECAT tool?

A

45-60º

56
Q

What classes as extremely severe curvature on the ECAT tool?

A

> 60º

57
Q

Which trimester is treatment best delayed until in a pregnant pt?

A

second trimester

1. SBA (39 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions