Final Part IV--ENDO!!

Question 1

Is the pulp cavity an open or closed system?

Answer 1

“closed” (c/o bottle neck at root apex)

Question 2

Is pulp soft or hard tissue?

Answer 2

Primarily soft tissue

Question 3

Is pulp living or dead?

Answer 3

Its a living, responding tissue

Question 4

What happens to the size of the pulp chamber with age?

Answer 4

It decreases in size with age

Question 5

Concerning the Pulp Chamber of the Maxillary Central Incisor: In a cervical cross section: the pulp chamber is wider on the _____ aspect than on the ______ aspect. What shape is the result?

Answer 5

Facial than on the Lingual….Triangle shape

Question 6

Concerning the Pulp Chamber of the Maxillary Central Incisor: How many distinct pulp horns in the pulp chamber?

Answer 6

3 distinct horns

Question 7

Concerning the Pulp Chamber of the Maxillary Central Incisor: Each pulp horn is underneath a separate _____.

Answer 7

Lobe

Question 8

Concerning the Pulp Chamber of the Maxillary Central Incisor: This tooth has one root with one canal in ___% of samples.

Answer 8

100%

Question 9

Concerning the Pulp Chamber of the Maxillary Central Incisor: Once you cross section lower on the root the triangle shape transitions to a ______ shape.

Answer 9

rounded

Question 10

How often does the Max 1st PM have: 2 canals?

Answer 10

83%

Question 11

How often does the Max 1st PM have: 1 canal?

Answer 11

12%

Question 12

How often does the Max 1st PM have: 2 roots?

Answer 12

75%

Question 13

How often does the Max 1st PM have: 1 root?

Answer 13

23%

Question 14

How often does the Max 1st PM have: 3 roots?

Answer 14

2%

Question 15

For the Perm Max 1st Molar how often does the MF root have 2+ canals?

Answer 15

59.2%

Question 16

For the Perm Max 1st Molar how often does the MF root have 1 canal?

Answer 16

40.8%

Question 17

For the Perm Max 1st Molar how often does the DF root have 1 canal?

Answer 17

98.3%

Question 18

For the Perm Max 1st Molar how often does the DF root have 2+ canals?

Answer 18

1.7%

Question 19

For the Perm Max 1st Molar how often does the L root have 1 canal?

Answer 19

99%

Question 20

For the Perm Max 1st Molar how often does the L root have 2+ canals?

Answer 20

1%

Question 21

For the Perm Max 1st Molar how often do you see 3 roots?

Answer 21

95.9%

Question 22

For the Perm Max 1st Molar how often do you see 2 roots?

Answer 22

3.9%

Question 23

For the Perm Max 1st Molar how often are the roots fused?

Answer 23

5.2%

Question 24

Concerning the Perm Man 1st Molar: How often are 2 roots seen? If there are three roots what are they named?

Answer 24

90%….for the 10% w/ 3 roots-M, DF, and DL (so the DISTAL root splits)

Question 25

Concerning the Perm Man 1st Molar: How often does the M root have 2+ canals?

Answer 25

95.7%

Question 26

Concerning the Perm Man 1st Molar: How often does the M root have 1 canal?

Answer 26

4.3%

Question 27

Concerning the Perm Man 1st Molar: How often does the D root have 1 canal?

Answer 27

68.4%

Question 28

Concerning the Perm Man 1st Molar: How often does the D root have 2+ canals?

Answer 28

31.6%

Question 29

For the Perm Max 1st Molar: What is the LONGEST line of the triangle outline of the pulp canal orifices?

Answer 29

Longest is between the MF and L orifices

Question 30

Concerning the Perm Max 1st Molar: What is the shortest line of the triangle outline of the pulp canal orifices?

Answer 30

Shortest is between the MF and DF orifices

Question 31

When looking at Coronal vs Radicular Dentin: Primary curvature of the dentinal tubules _______ in the root structure.

Answer 31

Decreases