Final Review: Slides 41-51 Flashcards Preview

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Flashcards in Final Review: Slides 41-51 Deck (18):
1

41: Perm Mand Second Molar - Facial

Q: There is one facial groove, called the ______ groove, and it divides the ________ and ________ cusps.

A1: Facial groove

A2 and 3: Mesiofacial and distofacial cusps

2

41: Perm Mand Second Molar - Facial

Q: The facial groove ends in a distinct facial ______ located in what division of the crown?

A1: Distinct facial pit

A2: In the middle third of the crown

3

41: Perm Mand Second Molar - Facial

Which cusp is slightly wider than the other?
- Mesiofacial or distofacial cusp?

A1: Mesiofacial cusp is wider than distofacial cusp

4

42: Perm Mand Second Molar - Mesial

Q1: When measured from the cervical line to the respective cusp tips, the _______ (facial or lingual) outline of the crown has a longer measurement.

Q2: The _____ (facial or lingual) cusp tip is more pointed.

A1: Facial

A2: Lingual cusp tip more pointed (Facial more rounded)

5

43: Perm Mand Second Molar - Occlusal

Multiple Correct Answers: The central pit forms from which grooves meeting?
- Facial, Lingual, Distal, Mesial, Mesiofacial, Distofacial, or Central?

Central Pit: Forms from Facial, Lingual, and Central grooves meeting

6

43: Perm Mand Second Molar - Occlusal

Q: The central pit is located on which half of the crown?

A: Lingual half of the crown

7

44: Perm Mand Third Molar - Mesial

Q1 and 2: The inclines of the ______ ridges of both the _______ and ______ cusps are steeply angled.

Q3: They meet at approximately ___ degrees from the horizontal.

A1: Triangular ridges

A2: Facial and Lingual cusps

A3: Forty degrees

8

45: Perm Mand Third Molar - Occlusal

Q: The ____________ line angle is the most angled and sharpest.

A: Mesiolingual line angle

9

46: Perm Max First Premolar - Mesial

The length of the root trunk will vary but usually the ____________ of the root system will definitely present a facial and lingual root. This tooth may present a single root but will almost always have two root canals and two apical foramina.

A: Apical one-fourth

10

46. Perm Max First Premolar - Mesial

Q: All tooth forms will have a relatively deep _______________ that increases in width from the point of bifurcation to the cervical line.

A: Root depression

11

46. Perm Max First Premolar - Mesial

True/False: The mesiofacial root depression on the Perm Max First Premolar runs from the point of bifurcation and crosses the cervical line.

True - The mesial root depression does cross the cervical line.

12

47. Perm Max First Molar - Lingual

There is a ______ (shallow or deep) developmental depression in the _________ (cervical, middle, or apical third) of the lingual root.

The depression CONSISTENTLY extends occlusally from the root surface and across the ______ line onto the cervical third of the crown.

A1: Shallow

A2: Middle third of the lingual root

A3: Across the cervical line

13

48. Perm Max Central Incisor

Q: The pulp chamber is wider on the _______ (facial or lingual) aspect than on the ______ (facial or lingual) in cervical cross-section.

A1: Facial

A2: Lingual

14

48. Perm Max Central Incisor

Q: There are three distinct ____________ in the pulp chamber.

A: Three distinct pulp horns

15

49. Perm Mand Canine - Canals and Roots

Match the numbers to the answers:
- 5.2%, 10.6%, 89.4%, 94.8%

A. Only one canal seen
B. Two canals are seen
C. Only one root evident
D. Two roots evident

(Hint: Each pair will equal 100%)

A. One canal - 89.4%

B. Two canals - 10.6%

C. One root - 94.8%

D. Two roots - 5.2%

16

50. Max First Premolar - Canals

Match percentage frequency to anatomy:
- 2%, 12%, 83%

A. Two canals
B. One canal
C. Three canals

A. Two canals - 83%

B. One canal - 12%

C. Three canals - 2%

17

50. Max First Premolar - Roots

Match percentage frequency to anatomy:
- 2%, 23%, 75%

A. Two roots
B. One root
C. Three roots

A. Two roots - 75%

B. One root - 23%

C. Three roots - 2%

18

51. Perm Max First Molar - Canals

Mesiofacial Root Anatomy

Match percentage frequency to anatomy:
- 40.8% and 59.2%

A. Two or more canals
B. One canal

A. Two or more canals - 59.2%

B. One canal - 40.8%