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L6 MAX PREMOLARS Flashcards

(95 cards)

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1
Q

Number of the right max right 1st molar

A

5

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2
Q

Number of right max left 1st molar

A

12

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3
Q

Number of right max right 2nd molar

A

4

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4
Q

Number of right max left 2nd molar

A

13

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5
Q

Name the two cusp of the maxillary premolars

A 
Lingual = functional cusp
Buccal = non-functional cusp

DO NOT REFER TO THEM AS BICUSPIDS

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6
Q

What kind of teeth replace deciduous molar teeth

A

Succedaneous teeth

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7
Q

Which lobe of the max premolars forms the buccal cusp

A

Middle lobe

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8
Q

Max premolars develop from how many lobes

A

4

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9
Q

What is the demarcation between the buccal and lingual lobes of the maxillary premolars

A

Central development groove

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10
Q

Outline of max first molar from buccal view

A

Trapezoidal

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11
Q

From buccal view of maxillary first premolar, the mesial cusp arm of buccal cusp is _____ and _____

A

Longer and straighter

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12
Q

From buccal view of maxillary first premolar, the distal cusp arm of the buccal cusp is _____ and more ______

A

Short an more curved

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13
Q

From buccal view of maxillary first premolar, the buccal height of contour is in the

A

Cervical 1/3 of the crown

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14
Q

From buccal view of maxillary first premolar, the mesial contact is in the

A

Middle 1/3

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15
Q

From buccal view of maxillary first premolar, distal contact is in the

Is it generally convex or concave

A

Middle 1/3 boarder and more cervical

Generally convex

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16
Q

From buccal view of maxillary first premolar, the middle buccal lobe become the

A

Prominent buccal ridge and associated development depressions

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17
Q

From buccal view of maxillary first premolar, the less developed mesial and distal lobes become

A

Mesial and distal line angles

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18
Q

From lingual view of maxillary first premolar, the crown tapers _____

A

Lingually

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19
Q

From lingual view of maxillary first premolar, the lingual part of the crown is _____ than the buccal

A

Narrow

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20
Q

From lingual view of maxillary first premolar, the lingual is smoothly

A

Convex

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21
Q

From lingual view of maxillary first premolar, the lingual cusp is ______ and more _______ than the buccal cusp

A

Shorter and more pointed

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22
Q

From lingual view of maxillary first premolar, can you see the buccal cusp

A

Buccal cusp is visible

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23
Q

From lingual view of maxillary first premolar, the lingual cusp is located

A

Mesially

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24
Q

From lingual view of maxillary first premolar, the mesiolingual cusp arm ML is _____ than the distolingual cusp arm DL

A

Shorter, this is opposite of the buccal cup where the ML is longer than the DL

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25
From mesial view of maxillary first premolar, outline in shape is
Trapezoidal
26
From mesial view of maxillary first premolar, How many cusps are visible
2 cusp visible - buccal and lingual
27
From mesial view of maxillary first premolar, which cusp is taller
Buccal cusp is taller
28
From mesial view of maxillary first premolar, the. Buccal height of contour is in the
Cervical 1/3
29
From mesial view of maxillary first premolar, the lingual height of contour
Middle 1/3
30
From mesial view of maxillary first premolar, do they have a mesial developmental depression/concavity
Yes, max 2nd premolar do not
31
From mesial view of maxillary first premolar, which side the dos mesial marginal ridge developmental groove lie more on
Lingual
32
From mesial view of maxillary first premolar, mesial contact area is
Middle 1/3 and offset buccally
33
From mesial view of maxillary first premolar, how many roots
50-60% have 2 roots, buccal and lingual
34
From mesial view of maxillary first premolar, where does the long root trunk extend from
From the CEJ to where the root divides (the furcation)
35
From distal view of maxillary first premolar, list the difference from the mesial view (the absence of:)
1. Mesial concavity 2. Mesial developmental region 3. Marginal ridge developmental groove
36
From distal view of maxillary first premolar, the curvature of cervical line is ____ than mesial
Less than mesial
37
From distal view of maxillary first premolar, distal contact are is in
Middle 1/3 - offset buccally - contact is broader - located more cervical compared to the mesial
38
From occlusal view of maxillary first premolar, outline in shape
Hexagonal
39
From occlusal view of maxillary first premolar, the Buccolingual dimension is ____ the the mesiodistal
BL greater than MD
40
From occlusal view of maxillary first premolar, the mesial buccal cusp ridge is ______ than disco buccal cusp ridge
MB longer than DB
41
From occlusal view of maxillary first premolar, the mesiolingual cusp ridge is ____ than the distolingual cusp ridge
ML shorter than DL
42
From occlusal view of maxillary first premolar, describe the buccal and lingual triangular ridges
Lingual is less prominent, angled not straight
43
What is a triangular ridge
- A prominent elevation, triangle in cross section | - extend from the tip of a cusp toward the central portion of the occlusal surface of a tooth
44
From occlusal view of maxillary first premolar, what separates thes buccal and lingual cusps
Central developmental groove
45
From occlusal view of maxillary first premolar, what groove comes off the central dev. Groove
Mesial marginal ridge developmental groove
46
From occlusal view of maxillary first premolar, mesiobuccal and distobuccal supplemental groove rise from what groove
Central development groove
47
From occlusal view of maxillary first premolar, where are the mesial and distal development pits located.
Deep parts of the mesial and distal fossae
48
From occlusal view of maxillary first premolar, where are the mesial and distal triangular fossa located
From the marginal ridges, and make a point/pit at the central development groove
49
How many roots of maxillary 1st premolar
2 separate roots buccal and lingual
50
From buccal view of maxillary first premolar, the rooots resemble the roots of the _____
Canine (they just shorter)
51
Roots of the max 1st premolar are _____ BL, and _____ MD
Broad BL, narrow MD
52
The long root trunk of 1st max premolar is about how long
1/2-2/3 length of root, stops at point of bifurcation
53
Maxillary first premolars have a ______ developmental depression on its roots
Mesial development depression
54
Describe BL cross section of max 1st premolar roots
Two pulp horns and two pulp canals
55
Which pulp canal of the maxillary 1st premolar is larger
Buccal is larger
56
The MD cross section of a maxillary first premolar resembles which tooth
Canine
57
Transverse cross section of maxillary 1st premolar is what shape
Kidney shaped
58
Is the maxillary first or second premolar smaller
Second premolar is smaller
59
Is the 1st or 2nd maxillary premolar more rounded and less angular
Max 2nd premolar
60
How many roots do the maxillary 2nd premolars have
Single root
61
From buccal view of maxillary second premolar, the mesiobuccal cusp ridge is _____ than the distobuccal cusp ridge
MB shorter than BD cusp ride
62
From buccal view of maxillary second premolar, is the buccal cusp longer or shorter than the max 1st premolar
Buccal cusp is not as long
63
From lingual view of maxillary second premolar, the lingual cup is _______ than the lingual cusp of the 1st max premolar
Longer
64
From lingual view of maxillary second premolar, Why is there less visibility of the buccal profile of the tooth
Because the lingual cusp is longer than the buccal
65
From mesial view of maxillary second premolar, describe the size comparison of the buccal and lingual cusps
Approximately equal in size, but shorter compared to the 1st premolar
66
From mesial view of maxillary second premolar, the mesial contact is in the
Middle 1/3 and slightly offset to the buccal
67
From mesial view of maxillary second premolar, do you see a marginal ridge developmental groove
NO
68
From mesial view of maxillary second premolar, do you see a mesial developmental depression
NO
69
From mesial view of maxillary second premolar, describe the root
Single tapered root
70
From distal view of maxillary second premolar, the distal contact is in the
Middle 1/3 and offset to the buccal
71
From distal view of maxillary second premolar, outline of tooth
Trapezoidal
72
From occlusal view of maxillary second premolar, describe the shape
Rounded or oval
73
From occlusal view of maxillary second premolar, the MB and DB line angle are more ______
Rounded
74
From occlusal view of maxillary second premolar, there is less _____ convergence
Less lingual convergence
75
From occlusal view of maxillary second premolar, the central developmental groove is shorter than the 1st premolar therefore describe the mesial and distal marginal ridge
Mesial and distal marginal ridge are WIDER
76
From occlusal view of maxillary second premolar, what give it its wrinkled appearance
It’s numerous supplemental grooves
77
Max 2nd premolar have how many roots and canals
Single tapered root, 50% have two canals
78
Which root is longer between the 1st and 2nd mainly premolars
Neighbor, root length is the same
79
The root of a maxillary 2nd premolar is ____ BL, and ______ MD
Broad BL, and narrow MD
80
Do yo observation a development depression on the root of a maxillary 2nd premolar
No!
81
Describe buccolingual cross section of maxillary 2nd premolar
Two pulp horns (same height), have two pulp canals
82
Describe mesiodistal cross section of maxillary 2nd premolar
Same as first pre molar, it resemble the canine
83
Mesial height of contour of maxillary second premolar is
Middle 1/3
84
Distal height of contour of maxillary second premolar is
Middle 1/3
85
Buccal height of contour of maxillary second premolar is
Cervical 1/3
86
Lingual height of contour of maxillary second premolar is
Middle 1/3
87
Maxillary first pre molars erupt at what age
10-11
88
Maxillary second premolars erupt at what age
10-12
89
Initiation of calcification of maxillary first premolar is
1 1/2 - 1 3/4 years
90
Initiation of calcification of maxillary second premolar is
2-2 1/4 years
91
Completion of root of maxillary first premolar
12-13 yers
92
Completion of root of maxillary second premolar
12-14 years
93
Completion of crown of maxillary first premolar
5-6 year
94
Completion of crown of maxillary second premolar
6-7 years
95
While the maxillary 1st and 2nd premolars have approximately the same dimension, which one is larger overall
1st maxillary premolar is larger overall

structure basics (18 decks)

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