Maxillary Premolars COPY Flashcards Preview

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Flashcards in Maxillary Premolars COPY Deck (43)
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1
Q

Longer, Max1PM or Max2PM?

A

Same length

2
Q

% of canals, Max1PM:

A

2: 87%, 1: 8%, 3: 5%

3
Q

Longer crown, Max1PM or Max2PM?

A

both the same

4
Q

% canals for asians, Max1PM:

A

1:46%, 2: 54%

5
Q

Max1PM, canal shape:

A

round

6
Q

B canal curvature, Max1PM:

A

L, B, straight

7
Q

P banal curvature, Max1PM::

A

D, B, straight

8
Q

Which premolar has a mesial concavity?

A

Max1PM:

9
Q

Which tooth has a furcation groove and where?

A

Max1PM:m, palatal aspect of B root

10
Q

What to beware of with Max1PM::

A

strip perforation, access perforation on the mesial

11
Q

Which canal is larger for the Max1PM:?

A

Palatal

12
Q

Which tooth and root is often fenestrated trough cortical platee?

A

B root, Max1PM:

13
Q

Ethnic group with higher percentage of 1 canals in Max1PM::

A

asians

14
Q

Perforation of the side of a rooth:

A

Strip perforation

15
Q

IN which direction is the Max1PM: wider?

A

BL than MD

16
Q

Access shape for Max1PM: w 2 canals:

A

Oval

17
Q

Bur to access Max1PM::

A

2 small round bur

18
Q

Access shape for Max1PM w 3 canals:

A

Triangle (mini molar)

19
Q

Where is the base of the triangle for access of Max1PM::

A

Base toward the B

20
Q

How to instrument multirooted teeth:

A

away from the furcation

21
Q

What can over instrumentation of the furcation side result in?

A

strip perforation

22
Q

Where is the danger zone:

A

Furcation side

23
Q

Instrument to move canal awa:

A

S1 and S2

24
Q

Direction to brush:

A

toward the name of the canal, B for B

25
Q

Communication area bw the root and the periodontium:

A

dangr zone

26
Q

% of canals, Max2PM:

A

1: 48%, 2: 51%, 3: 1%

27
Q

% of Max2PM with canals other than 1, 2, or 3:

A

2%

28
Q

Maxillary sinus is directly above this tooth:

A

Max2PM

29
Q

Shape of canal, Max2PM:

A

becomes round apically

30
Q

Direction the canal is wider, Max2PM:

A

BL

31
Q

canal curvatures for Max2PM:

A

distal, S-shaped, B, straight

32
Q

To what direction is the canal curved the most, Max2PM?

A

distal

33
Q

% of canals that join if there are 2 canals in the Max2PM::

A

50%

34
Q

% of the time in total you have 1 foramen

A

75%

35
Q

zipping the foramen:

A

damaging the foramen

36
Q

When should you dettermie whether there are multiple canals:

A

before cleaning and shaping.

37
Q

2 separate canals, 2 separate foramen, what type?

A

Type 4

38
Q

2 canals that join to exit via 1 foramen, type?

A

Type 2

39
Q

Accerss shape for Max2PM:

A

oval, just like Max1pm

40
Q

Which premolar has a higher B cusp than the other?

A

1st

41
Q

Tooth is mesial concavity:

A

Max1PM

42
Q

Tooth with furcation groove:

A

Max1PM

43
Q

Common curvature for Max2Pm:

A

severe distal, S-shaped apical curvature