Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

dental anatomy > mandibular pre-molars > Flashcards

mandibular pre-molars Flashcards

1
Q

Functionally resembles canine;

A

mandib 1st pre-molar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

mandib 1st pre-molar

A

no significant lingual cusp; shorter root

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Larger crown and root than first premolar;

A

2nd mandib pre molar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

functionally resembles molar

A

Mandibular Second Premolar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

(One B cusp and one L cusp)

A

H and U type

mandib 2nd pre molar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

most common type of Mandibular Second Premolar

A

Y-type

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Y-type

A

One B cusp and two L cusps

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

leeway’s space

A

Space gained by the difference in mesiodistal dimensions of the premolars and the primary molars

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

sharp well defined cusp and similar to canine

A

buccal aspect of mandib 1st pre molar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

tf mand 1st pre molar has a bell shaped crown

A

T

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

mesial ridge longer than distal ridge of mand 1st pre molar(buccal view)

A

f

shorter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

mesial slope of mand 1st pre molar

A

has a concavity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

tf mand 1t pre molar has no developmental depressions or concavities

A

f

Distinct facial lobes and developmental depressions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

tf

CEJ is flat on mand 1st pre molar

A

F

CEJ slightly convex toward apex but less than anterior teeth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

tf lingual cusps are huge on mand 1st pre molar

A

f they are small and permit occlusal surface to be visible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

mesialdistally ligual surface narrower than buccal

A

mandibular 1st pre molar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

tf

only 1 surface visible on lingual aspect of mand 1st premolar

A

F multiple surfaces

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

ridges visible on lingual aspect of mand 1st pre molar

A

buccle triangular rdge and transverse ridge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

tf only distal marginal ridge visible from lingual aspct of mand 1st pre molar

A

f

distal and mesial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

mand 1st premolar

Lingual height of contour almost —— on the crown

A

Lingual height of contour almost centered on the crown

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

unique to mandib 1st pre molar

A

Prominent mesiolingual developmental groove

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

mesial aspect of mand 1st pre molar

Crown inclines—– over the root

A

Crown inclines lingually over the root

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

tf short lingual cusp tipps the Occlusal plane is “tipped” lingually in mand 1st pre molat

A

T

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

tf

mesial marginal ridge of mand 1st pre molar

is perpendicular to long axis of tooth

A

f

mesial marginal ridge is the only marginal ridge of all posterior teeth not perpendicular to long axis of tooth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
centered over root vs centered over lingual border of tooth of mand 1st pre molar
buccal cusp vs. lingual cusp
26
which developmental groove is visible from mesial aspect of mand 1st pre molar
ML developmental groove
27
tf transverse ridge presense will prevent central grove from being visible of mand 1st pre molar
T
28
sloped mesial marginal ridge of mand 1st pre molar allows for
More of the occlusal surface visible
29
distal aspect of mand 1st pre molar
Wider buccolingually than mesial surface
30
tf on distal aspect of mand 1st pre molar Distal marginal ridge perpendicular to the long axis
t
31
tf on mand 1st pre molar mesial marginal ridge more occlusally positioned than distal marginal ridge
f Distal marginal ridge perpendicular to the long axis (and more occlusally positioned than mesial marginal ridge)
32
mesial aspect of mand 1st premolar
more occlusal surface visible than distal aspect
33
less curved CEJ
distal over mesial of mand 1st pre molar
34
in line with buccal cusp and apex
contact area of mandib 1st pre molar
35
mand 1st pre molar distal aspect
Contact area slightly broader than the mesial
36
Diamond shaped outline form
occlusal aspect of mand 1st pre molar
37
Prominent buccal ridge but uniformly convex buccal outline with much of the buccal surface visible
occlusal of mand 1st pre molar
38
distal outline more rounded and convex
than mesial outline of mand 1st premolar
39
convex with indentation
Mesial outline of mand 1st pre molar
40
indentation of mand 1st pre molar
where ML groove is located;
41
Prominent line angles but rounded
occlusal of mand 1st pre molar
42
small lingual cusp
mand 1st pre molar
43
central grove of mand 1st pre molar
often not distinct
44
transverse ridge of
occlusal of mand 1st pre molar
45
tf only mesial fossa of mand 1st pre molar visible
f mesial and distal fossa
46
which marginal ridge is shorter on mand 1st pre molar mesial or distal
mesial
47
both converge to lingual)
mesial and distal marginal ridge of mand 1st pre molar
48
ML groove visible
occlusal aspect of mand 1st pre molar
49
mand 1st pre molar; Occlusal surface (table) occupies most of the---- half of the tooth
Occlusal surface (table) occupies most of the lingual half of the tooth
50
Mesial contact, facial cusp tip, and distal contact of mand 1st pre molar
fall on straight line which is centered on the crown faciolingually
51
root of mand 1st pre molar
Wider buccolingually than mesiodistally
52
tf mand 1st pre molar is ovoid | (cross section)
t
53
Single root of mand 1s pre molar tapering to ---- ---- and ---- -----
Single root tapering to sharp apex and pulp canal
54
mand 1st pre molar
Wider buccolingually than mesiodistally
55
sloped occlusal surface
mand 1st pre molar
56
mand 1st pre molar
can have two roots (one buccal and one lingual) but usually only one root canal
57
ML developmetnal depression
visible on Mand 1st pre molar
58
larger and similar to canine
mand P2
59
tf mand P2 is bell shape
F broader
60
shorter, less pointed and form obtuse angle
buccal cusp of mand P2
61
tf mesial cusp is longer than distal cusp in mand P2
f shorter
62
tf mand P1(mesial and distal cusp slope) is more inclined than mand P2
t
63
occlusocervically mesial crown of Mand P2 is
longer than distal crown(mand P2)
64
shorter buccal cusp of mand P2
cause M&D contacts appear to be higher
65
smooth with indistinct conveixities or concavities
Mand P2 facial surface
66
conical with flattened facial surface
Mand P2 root (buccal)
67
blunt apex
root of Mand P2
68
Mand P2
CEJ straighter than teeth anterior to it
69
tf mand P2 is Wider mesiodistally but shorter occlusogingivally than MandP1
F wider and longer
70
Mesial and distal crown outlines convex
mand P2
71
tf mand P2 has no concavities on mesial and distal crown outline
T
72
2 typs of cusps of mand P2
bucal ML DL
73
Lingual cusp or cusps shorter
than buccal cusps of Mand P2
74
tf occlusal surface more visible in mand P2 than mand P1
F Occlusal surface less visible than in P1
75
ML cusp is larger than DL cusp
in y type mand P2
76
smooth and convex
root of mand P2
77
tf root of Mand P2 tapers to the lingual more than P1
F tapers to the lingual less than P1
78
mesial aspect of mand P2
Crown and root wider buccolingually than madn P1
79
which buccal cusp is shorter mand P1 or mand P2
Mand P2
80
B cusp tip slightly buccal to center of root
mand P2
81
higher lingual cusp occlusally mand P2 or Mand P1
mand p2
82
Mesial (and distal) marginal ridges----- to long axis of tooth of mand P2
Mesial (and distal) marginal ridges perpendicular to long axis of tooth of mand P2
83
tf mand P2 has ML developmental groove
F lacks
84
CEJ less curved Mand P1 or Mand P2
Mand P2
85
root apex blunted mand P1 or mand P2
mand P2
86
TF on mand P2 DL cusps are visible on mesial aspect
F not visible on mesial aspect
87
Mand P2 lacks
transverse ridge; defined central groove on mesial aspect
88
89
tf oclusal table of mand P2 is more perpnedicular to long axis than mand P1
T
90
mand P2 ---- crown outline with a ------ tilt
mand P2 Rhomboidal crown outline with a lingual tilt
91
tf on distal aspect of mand P2 Contact area larger and wider buccolingually than mesial aspect
T
92
distal aspect of mand P2 all cusp visible
Y-type P2
93
DL cusp smaller than ML cusp
in Y-type P2 | (distal aspect)
94
distal aspect mand P2 largest cusp
buccal cusp
95
prominent triangular ridge
on buccal cusp of mand P2(distal view)
96
perpendicular to long axis
Distal marginal ridge of mand P2
97
mand P2 distal view
CEJ flattened and similar to what is seen on molars
98
square outline form
occlusal of mand P2(y type)
99
parralel to each other
mesial and distal aspects of mand P2(occlusaL)
100
Less prominent buccal ridge with less distinct developmental depressions
occlusal of mand P2
101
what is major grovve pattern of mand P2(occlusal)
Y
102
order the follwoing cusp in terms of size on mand P2 DL cusp ML cusp B cusp
B cusp \> ML cusp \> DL cusp
103
lingual grove separates
2 lingual cusps of mand P2(occlusal)
104
tf lingual groove of mand P2 is mesial to center
F distal to center
105
name type of pits of mand P2
Mesial and distal triangular fossae with pits and central pits
106
• More rounded outline form than Y-type
H and U type Mand P2
107
tf “H” and “U” types ; mesial and distal profiles are parallel to each other
f Mesial and distal profiles not as parallel
108
converge toward lingual
Mesial and distal profiles of H and U types
109
No lingual groove or central pit
H and U type Mand P2
110
tf in mand P2 h and u types Buccal cusp smaller than lingual cusp
F Buccal cusp larger than lingual cusp
111
root of Mand P2
Single root with one pulp canal
112
tf mand P2 root Slightly wider buccolingually and longer than P1
T
113
root apex of mand P2
blunted
114
root apex of mand P2
incline distally
115
Rarely bifurcated of trifurcated root
mand P2 roots
116
round to ovoid cross section
mand P2 cross section
117
slightly flattened buccal surface
mand P2(cross section)
118
cross section of mand P2
Slight taper to the lingual
119
Single root canal usually
mand p2

dental anatomy (12 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions