Maxillary Premolars

Question 1

Longer, Max1PM or Max2PM?

Answer 1

Same length

Question 2

% of canals, Max1PM:

Answer 2

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

Question 3

Longer crown, Max1PM or Max2PM?

Answer 3

both the same

Question 4

% canals for asians, Max1PM:

Answer 4

1:46%, 2: 54%

Question 5

Max1PM, canal shape:

Answer 5

round

Question 6

B canal curvature, Max1PM:

Answer 6

L, B, straight

Question 7

P banal curvature, Max1PM::

Answer 7

D, B, straight

Question 8

Which premolar has a mesial concavity?

Answer 8

Max1PM:

Question 9

Which tooth has a furcation groove and where?

Answer 9

Max1PM:m, palatal aspect of B root

Question 10

What to beware of with Max1PM::

Answer 10

strip perforation, access perforation on the mesial

Question 11

Which canal is larger for the Max1PM:?

Answer 11

Palatal

Question 12

Which tooth and root is often fenestrated trough cortical platee?

Answer 12

B root, Max1PM:

Question 13

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

Answer 13

asians

Question 14

Perforation of the side of a rooth:

Answer 14

Strip perforation

Question 15

IN which direction is the Max1PM: wider?

Answer 15

BL than MD

Question 16

Access shape for Max1PM: w 2 canals:

Answer 16

Oval

Question 17

Bur to access Max1PM::

Answer 17

2 small round bur

Question 18

Access shape for Max1PM w 3 canals:

Answer 18

Triangle (mini molar)

Question 19

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

Answer 19

Base toward the B

Question 20

How to instrument multirooted teeth:

Answer 20

away from the furcation

Question 21

What can over instrumentation of the furcation side result in?

Answer 21

strip perforation

Question 22

Where is the danger zone:

Answer 22

Furcation side

Question 23

Instrument to move canal awa:

Answer 23

S1 and S2

Question 24

Direction to brush:

Answer 24

toward the name of the canal, B for B

Question 25

Communication area bw the root and the periodontium:

Answer 25

danger zone

Question 26

% of canals, Max2PM:

Answer 26

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

Question 27

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

Answer 27

2%

Question 28

Maxillary sinus is directly above this tooth:

Answer 28

Max2PM

Question 29

Shape of canal, Max2PM:

Answer 29

becomes round apically

Question 30

Direction the canal is wider, Max2PM:

Answer 30

BL

Question 31

canal curvatures for Max2PM:

Answer 31

distal, S-shaped, B, straight

Question 32

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

Answer 32

distal

Question 33

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

Answer 33

50%

Question 34

% of the time in total you have 1 foramen

Answer 34

75%

Question 35

zipping the foramen:

Answer 35

damaging the foramen

Question 36

When should you dettermie whether there are multiple canals:

Answer 36

before cleaning and shaping.

Question 37

2 separate canals, 2 separate foramen, what type?

Answer 37

Type 4

Question 38

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

Answer 38

Type 2

Question 39

Accerss shape for Max2PM:

Answer 39

oval, just like Max1pm

Question 40

Which premolar has a higher B cusp than the other?

Answer 40

1st

Question 41

Tooth is mesial concavity:

Answer 41

Max1PM

Question 42

Tooth with furcation groove:

Answer 42

Max1PM

Question 43

Common curvature for Max2Pm:

Answer 43

severe distal, S-shaped apical curvature