Part 2 Shuffled Flashcards
(108 cards)
1
Q
Largest root of max first molar
A
Palatal
2
Q
Which non-molar tooth most frequently exhibits three roots
A
Max first premolar
3
Q
Only tooth with a mesio-lingual groove
A
Mand first premolar
4
Q
Only premolar with multiple lingual cusps
A
Mand second premolar - Y type
5
Q
The occlusal outline of mand first molar
A
Pentagon
6
Q
How to tell the difference between a right and left mand second molar
A
the mesial third has a greater F-L diameter
7
Q
The maxillary first molar tends to taper towards which direction
A
taper towards the facial rather than lingual
8
Q
The cervical cross section of max 1st premolar has what shape
A
Kidney shape - because of mesial concavity
9
Q
Of the three furcations of max first molar, which is closest to the cervical line
A
Mesial furcation
10
Q
Alignment of mand second molar crown
A
Inclines to the mesial and lingual - think of the larger mesial cusps weighing it downThis places the apex of the crown more facial, and the crowns more lingual
11
Q
The mesiolingual cusp of max molars occludes where
A
in central fossa of mand molars
12
Q
Mandibular first molar usually has how many roots and canals
A
two roots and three canals
13
Q
If distolingual cusp is not present on max 2nd molar, describe tooth
A
3 cusp type heart shape
14
Q
Cervical cross section of max first premolar pulp chamber floor has what shape
A
kidney shape
15
Q
Only premolar with a lingual groove
A
Mand second premolar - Y type
16
Q
Occlusion of lingual cusp of mandibular first premolar in normal occlusion
A
does not occlude
17
Q
Nature of max second molar roots
A
less divergent-greater distal inclinations
18
Q
Smallest cusp of mand first molar is
A
distal cusp
19
Q
Which molar has the oblique ridge
A
max first and second molar
20
Q
Angle of the mesial marginal ridge of mand 1st premolar
A
runs at a 45 degree angle because of mesial marginal ridge
21
Q
Lingual cusp of mand first premolar is similar in development to what
A
cingulum of canine
22
Q
Most congenitally missing premolar
A
Mand second premolar
23
Q
Cross sectional outline at cervical of 2nd max molar is what shape
A
roughly triangular
24
Q
Facial surface of mandibular molars in relation to border of ascending ramus
A
they are medial to border of ascending ramus
25
In the rare event of a second canal for a mand 1st premolar, it is most likely located where
to the lingual
26
Which premolar frequently only has one pulp horn
Mand first premolar
27
Cusp locations of the Y type mand premolar
one facial and two lingual cusps
28
Mand molars and border of the ascending ramus
Facial surfaces of mandibular molars located medial to the border of the ascending ramus
29
Which corners of max first molar coincide with direction of the oblique ridge
the obtuse cornersmesiolingual and distobuccal
30
Where is masticatory mucosa (attached gingiva) narrowest
facial aspect of man premolars
31
What is the most symmetrical posterior tooth
Max 2nd premolar
32
Y type mand second premolar has same number of occlusal pits as what tooth
Max first molar - 3 pits
33
Largest occluso-cervical dimension of any mandibular molar
Mand first molar
34
The facial cusp of the max first premolar is offset to what side
offset to the distal
35
Which tooth has greatest root separation of any other tooth
mand first molaronly two roots, less going on, more space, less distally and less crowded
36
Mesio-lingual and disto-facial line angles of max first molar from occlusal view
obtuse angles (of the rhomboidal shape)
37
Which max first molar cusp is not part of the the cusp triangle
distolingual cusp
38
Smallest facio-lingual dimension of all posterior teeth
mand first premolar
39
Which facial cusp ridge is longer on max first premolar
Longer mesio-facial cusp ridge (cusp tip offset to distal)-only premolar with longer mesial cusp ridge (along with primary maxillary canine)
40
Only Mandibular teeth that are wider mesio-distally than facio-lingually
Mand molars
41
Which tooth has a short central groove and lots of supplemental grooves giving it a wrinkly look
Max 2nd premolar
42
Smallest root of max first molar
distobuccal root(mesiobuccal root needs room for the 2nd canal (MB2), so it will be bigger)
43
Greatest distal root inclination of any other tooth
Mand 3rd molar
44
How many facial cusps on mand first molar
three facial cusps
45
How far does mesiolingual developmental groove extend on #21
Onto proximal surface
46
Compare lengths of distal lingual grooves of max first vs second molars
Maxillary first molar has shorter distolingual groove than second molar
47
Which tooth is closest of all mandibular teeth in facio-lingual vs mesio-distal diameter
Mand first premolar
48
The only posterior teeth that are wider M-D than F-L
Mand second molars
49
Which max first molar cusp is largest and longest
mesiolingual cusp
50
Mandibular first molar canals are located where
two mesial canals, one distal
51
Which tooth has most variation of facial vs lingual cusp height among all posterior teeth
Mandibular first premolar
52
Which root has greatest F-L dimension of any other root
Mand first molar mesial root - need room for two mesial canals
53
Occlusion of Max 3rd molar
has a single antagonistalong with mand centrals
54
Which line angles of an occlusal view of max first molar are acute angles
Mesio facial and distolingual line angles
55
Which line angles of max first molar make up oblique ridge
the obtuse onesMesio-lingual and disto-facial line angles
56
Greatest M-D diameter of all molars
Mand first molar
57
Which tooth has the longest root of any other molar
Mand first molar
58
Number of developmental grooves on mand first molar compared to mand second molar
two buccal grooves on first mand molar-only one buccal groove on second
59
Occlusal outline/shape of mand first premolar
diamond shape
60
Compare heights of the centers of oblique ridge and marginal ridge of max first molar
All are at the same level
61
Shortest root of any mand tooth
Mand 3rd molar
62
Only Mand teeth that are wider M-D than F-L
Mand second molars
63
Mesial side of max 1st premolar
mesial concavity that makes it difficult to adapt a matrix bandmesial marginal developmental groove
64
Outline shape from occlusal view of crown of mand second premolar- shape of occlusal table
crown is pentagonal= occlusal table is rectangular
65
Which premolar has the steepest cusp inclines among premolars
Max first premolar
66
From lingual view, the apex of the palatal root is in line with what
midpoint between mesial and distal
67
Name of the developmental groove between the DF cusp and the D cusp of mand first molar
Distofacial groovenot distal groove
68
From which view can more of the occlusal surface be seen on a mand first premolar
from the mesiallower marginal ridge - 45 degree angle
69
Which tooth frequently has both a separate mesial and distal pit
Mand first premolarsnake eyes - prominent triangular ridge
70
Relation of cusp sizes on max first premolar to max 2nd premolar
Size and position of cusps of 2nd max premolar are more identical than max 1st
71
Compare mesiodistal widths on buccal and lingual sides of max first molar
mesiodistal length is longer toward the facial than toward the lingual
72
Distal surface of Max first molar
Has distal concavity, causes difficulty with matrix placement
73
Which tooth has greatest faciolingual diameter of crown of all teeth
Max first molar - think cusp of carabelli
74
The groove pattern for the mand second molar is what shape
a cross pattern or a + shapecruciform occlusal pattern
75
The premolar most frequently with s single central pit
Mandibular second premolar
76
Maxillary premolars lingual cusps are off set to what side
Mesial(buccal cusps is to distal)
77
Oblique ridge of max first molar forms what boundary of the central fossa
distal boundary
78
Largest cusp of mand first molar
Mesio-facial(mesio-facial, mesiolingual, distolingual, distobuccal, distal)
79
Only premolar with a central fossa
Mand second premolar - Y type?
80
Size relation between cusps of mand first premolar
lingual cusp is about 2/3s the height of facial
81
Only posterior teeth that are wider M-D than F-L
Mand molars
82
What molar most frequently has only 3 cusps
Max third molar
83
Which embrasure of the mx first molar is larger than the other - buccal or lingual
buccal is larger because max first molar tapers more to towards the buccal
84
From facial view, the apex of the lingual root of max first molar is in line with what
facial groove
85
Largest F-L dimension of any mandibular tooth
Mand first molarMax first molar has greatest F-L dimension of ALL teeth (think cusp of carabelli)
86
Which furcation on max first molar is furthest from the cervical line
distal furcationYou get further away the more distal you go
87
Where is a 4th canal (when present) located on max first molar
mesiobuccal canal
88
Which tooth has most variation in crown morphology
3rd molars - maybe mand third
89
What accommodates working movements on mand first molars
the ideal position and height of lingual cusps
90
Occlusal outline form/shape of max first molar
rhomboidal
91
Tooth with closest in size of faciolingual vs mesiodistal lengths of any Max Posterior tooth
Max first molar
92
Which tooth has fossa closest in size compared to any other posterior tooth
Max 2nd premolar
93
Mid root cross section of mand first molar, where is it larger
mesial is larger - need room for two mesial canals
94
Most pronounced developmental marginal groove of any max tooth
Max 1st premolar, mesial marginal ridge
95
The premolar most likely to have a crescent-shaped central developmental groove
Mand 2nd premolar
96
Which cusp of the max second molar is not part of the molar cusp triangle
distolingual cusp
97
The groove pattern for mand first molar
Considered a Y or Dryopethicus pattern
98
Max 3rd molars are frequently what shape from an occlusal view, why
heart shaped, b/c they are missing the DL cusp
99
Most prone (flat/level) surfaces of molars
lingual surfaces of maxillary molars and facial surfaces of mandibular molars
100
Relation between position of mesial and distal marginal ridges of mand first premolar
mesial marginal ridge is located more cervical than the distal
101
Shortest interdental papilla located where
between mand second premolar and first molar
102
Mesial side of #21
mesiolingual developmental groove - originates from the mesial occlusal pit
103
Which tooth is mostly likely forced into the maxillary sinus during extraction
Max first molar
104
Which non-molar tooth has the sharpest demarcation between pulp chamber and canal
Max first premolar
105
Which tooth uniquely has a prominent triangular ridge
Mand first premolar-may not have central groove
106
Which tooth has greatest cervico-occlusal crown height among posterior teeth
Max first premolar
107
Largest M-D crown dimension of any other tooth
Mand first molar - think 3 buccal cusps
108
Cusp occlusion of mand molars with max molars
the distobuccal cusp of mand molars occludes in central fossa of max molars
