max pre molars Flashcards

1
Q

haxagon

A

max premolar 1

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2
Q

oval

A

max premolar 2

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3
Q

diamond

A

mand pre molar 1

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4
Q

square

A

mand pre molar 2

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5
Q

Curve of Spee (called also von Spee’s curve or Spee’s curvature) is defined as the

A

curvature of the mandibular occlusal plane beginning at the tip of the lower incisors and following the buccal cusps of the posterior teeth, continuing to the terminal molar.

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6
Q

buccal and palatal root

A

1st max pre molar

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7
Q

single root

A

incisor

canines

pre molars

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8
Q

3 types of roots of upper molars

A

mesiobuccal roots

distobuccal roots

palatal roots

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9
Q

mandible single rooted teeth

A

incisors

pre molars

canine

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10
Q

lower molars

A

mesial and distal roots

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11
Q

axial inclinations of max second premolars

A

toward distal from buccal and lingual view

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12
Q

axial inclination of max second premolars

A

toward lingual from

distal and mesial view

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13
Q
A
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14
Q

Resembles maxillary canine

A

Maxillary First Premolar

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15
Q

tf max First Premolar resembles a canine by crown and root are longer

A

f crown and root are shorter

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16
Q

Mesial portion of Maxillary First Premolar

A

gingival portion ;; concave

cervical portion; convex

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17
Q

tf in max 1st pre molars ;Mesial ridge (slope) of B cusp longer than distal slope

A

t

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18
Q

bell shaped crown

A

max 1st pre molar

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19
Q

max 1st premolar

A

Prominent buccal ridge

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20
Q

tf max 1st pre molar only has prominent MB line angle

A

f

prominent MB and DB line angles

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21
Q

3 facial lobes

A

max 1st pre molar

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22
Q

tf

there are developmental depressions between three facial lobes on max 1st pre molar

A

t

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23
Q

correct the statement

max 1st pre-molar

Buccal CEJ curves evenly toward the apex in a concaver manner

A

Buccal CEJ curves evenly toward the apex in a convex manner

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24
Q

tf

max 1st pre molar

Proximal contact level width has less width than at CEJ level (

A

F

Proximal contact level width much wider than at CEJ level (

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25
tf max 1st pre-molar Cusp tip located just distal to center on the crown
T
26
slight concavity ; smoothly convex on max 1st pre-molar
Mesial slope has sl. concavity Distal slope smoothly convex
27
tf max 1st pre-molar lingual aspect is Smaller in all dimensions than the buccal aspect
T
28
tf only the crown converge toward lingual on the lingual view of max 1st pre molar
f Both crown and root converge toward lingual
29
max 1st pre molar has depressions and ridge on lingual surface
F Lingual surface is smooth
30
tf Mesial and distal slopes of L cusp approximately form obtuse angle of max 1st pre molar.
f Mesial and distal slopes of L cusp approximately form right angle
31
Lingual cusp of max 1st pre molar well developed but longer, wider, and bigger than buccal cusp
f Lingual cusp well developed but smaller, narrower, and shorter than buccal cusp
32
characteristic of max 1st pre molar
Lingual cusp is offset toward the mesial
33
trapezoidal outline shape
mesial aspect of max pre molar
34
tf max 1st pre molar lingual cusp longer than Buccal cusp
Buccal cusp longer than lingual cusp
35
tf max 1st pre molar Occlusal table much smaller than buccolingual diameter of crown
t
36
tf Triangular ridges of each cusp aren't visible of max 1st pre- molar
Triangular ridges of each cusp visible on mesial side of max 1st pre molar
37
tf on max 1st premolar B and L cusp tips well within confines of root trunk
T B and L cusp tips well within confines of root trunk
38
tf max 1st pre molar only has 1 root
f has 2 buccal and lingual
39
longer root with sharper apex on max 1st pre-molar
buccal root of max 1s pre-molar
40
on max 1st pre molar Root trunk is thin and usually less than half the root length
on max 1st pre molar Root trunk broad and usually greater than half the root length
41
Mesial marginal ridge perpendicular to long axis,
max 1st pre molar
42
on max 1st premolar
mesial marginal ridge interrupted by mesial marginal groove
43
Mesial concavity on max 1st pre molar
middle of the cervical third extending down to the root bifurcation
44
tf on max 1st pre molar distal aspect is smoother mesial aspect
t
45
Marginal ridge perpendicular to long axis
distal aspect of max 1st pre molar
46
No marginal groove or developmental depression
on distal side of max 1st pre molar
47
occlusalcervical surface shorter; mesial or distal of max 1st pre molar
distal side
48
more occlusal surface visible of mesial or distal view of max 1st pre molar
Distal
49
slight depression on root
distal aspect of max 1st pre molar
50
mesial vs distal CEJ curvature towards the occlusal on max 1st pre molar
less curved on the distal
51
outline form of occlusal of max 1st premolar
Hexagonal outline form
52
tf occlusal of max 1st pre molar is symmetric
f assymetric
53
wider buccolingually than mesiodistally
max 1st pre molar occlusal surface
54
tf max 1st premolar have Two well-developed cusps with distinct groove pattern
t
55
Which of the following isnt a distinct groove pattern of max 1st pre molar MB DB C M ML
ML
56
4 developmental lobes
max 1st premolar M,d Lingual, mid facial
57
central grove separates
2 triangular ridges on max 1st pre molar
58
tf max 1st premolar only has mesia marginal ridge
f mesial and distal marginal ridge
59
tf pits on max 1st pre molar exist on the triangular ridges
f on triangular fossae
60
tf on max 1st pre molar B & L heights of contour distal to center
f B & L heights of contour mesial to center
61
line angles on max 1st pre molar
MB and DB
62
tf there is no buccal ridge on max 1st pre molar
F its very prominent
63
on max 1st pre molar M and D contacts
facial to center
64
tf on max 1st pre molar, Buccal cusp tip is distal to center with mesial slope longer than distal
t
65
tf mesial slope longer than distal on max 1st pre molar(buccal side)
t
66
tf on max 1st pre molar Buccal cusp ridges form straight line
f Buccal cusp ridges form diagonal line
67
on max 1st pre molar which ridge is shorter mesial or distal
Mesial
68
The only premolar that usually has two roots
max 1st pre molar
69
which root is longer in max 1st pre molar buccal or lingual
buccal
70
Pulp chamber ----- to B and L pulp canals in max 1st pre molar
Pulp chamber occlusal to B and L pulp canals
71
tf only one pulp horn on the max 1st premolar
f 1 per cusp in max 1st pre molar
72
max 1st pre molar
kidney shaped cervical cross section
73
max 1st pre molar is more bellshaped than max 2ns pre molar
t
74
tf max 2nd pre molar buccal cusp shorter than max 1st pre molar
t
75
entire crown may appear slightly shorter and narrower but average dimensions are nearly the same)
max 1st and 2nd pre molar
76
tf mesial marginal ridge\> distal marginal ridge (of buccal cusp)(on max 2nd pre molar)
f \<
77
tf max pre molar 2 Less angular than P1
t
78
tf more prominent facial ridge of max 2nd pre molar than 1st premolar
f less prominent
79
tf max 2nd premolar has more rounded appearance of MB and DB line angles than max 1st premolar
t
80
tf max 2nd premolar has a sharper Buccal cusp tip than max 1st premolar
F not as sharp
81
tf max 1st pre molar has more curved CEJ than max 2nd premolar
T
82
max 2nd pre molar Root ----- and smoothly -----
Root conical and smoothly convex
83
max 2nd pre molar same size
lingual and buccal cusp ; no occlusal surface visible
84
max 2nd pre molar Smoothly -----crown and root; ----- taper to lingual than teeth anterior to it
Smoothly convex crown and root; less taper to lingual than teeth anterior to it
85
lingual aspect of max 2nd pre molar L cusp tip slightly ------- to center
L cusp tip slightly mesial to center
86
tf on mesial aspect of max 2nd pre molar B \> L cusps
f B and L cusps are approximately the same size
87
single root
max 2nd pre molar
88
tf on max 2nd pre molar there is mesial marginal groove but No mesial concavity or developmental depression on crown
f no mesial marginal ridge
89
almost flat
CEJ of max 2nd premlar | (distal view)
90
tf max 2nd pre molar has thin occlusal table
F wide
91
Smoothly convex
distal aspect of max second pre molar
92
tf More of occlusal surface is visible from mesial view than distal view of max 2nd pre molar
F distal view has more occlusal table visible
93
round and ovoid
occlusal view of max 2nd premolar
94
line angles
rounded on max 2nd pre molar
95
smooth outline
buccal outline of max 2nd pre molar(occlusal aspect)
96
Wider occlusal table (B-L)
occlusal aspect of max 2nd pre molar
97
short central groove with close M and D triangular fossa
occlusal aspect of mx 2nd premolar compared to 1st
98
B and L cusps nearly centered on buccolingual bisecting line
max 2nd pre molar
99
tf max 2nd pre molar crown appears bilaterally symmetrical
t
100
tf max 2nd pre molar only can have 1 pulp canal
F can have 2
101
no major root concavities
on max 2nd pre molar
102
ovoid
cross section max 2nd pre molar
103