permanent Molars Flashcards

1
Q

Maxillary molars are wider MD or BL?

A

BL

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2
Q

Mandibular molars are wider MD or BL

A

MD

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3
Q

What arch molars have a lingual inclination?

A

Mandibular molars

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4
Q

Which arch has an oblique ridge?

A

Maxillary molars

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5
Q

Where do the 3 furcations on the maxillary Molar begin?

A

Mesial (3), Buccal (4), Distal (5)

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6
Q

What is a clinical consideration for a maxillary molar due to roots penetrating the middle and posterior parts of the ______ as a result of trauma or ext bcuz of close relation?

A

Maxillary sinusitis

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7
Q

What is the clinical consideration for the maxillary molar due to both increased dental biofilm retention and thinness of enamel forming the walls of the pit?

A

Lingual Pit.

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8
Q

Developmental disturbance for max molars - Union of root structure of two or more teeth through the cementum only?

A

Concrescence

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9
Q

Eruption age and root completion of max & mand first molars?

A

erupt- 6 to 7 y/o
root - 9-10 y/o

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10
Q

Which is the largest tooth & crown in the maxillary arch?

A

Maxillary 1st molar

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11
Q

Which maxillary molar is the least variable in form?

A

Maxillary 1st molar

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12
Q

Which maxillary molar has the larger & more divergent roots?

A

1st max molar

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13
Q

Where is the deepest root concavity found on the maxillary 1st molar?

A

Furcal ascept of MB root

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14
Q

What are the pulp features for the maxillary first molar?

A

4 pulp horns (each cusp), 3 pulp canals, 1 pulp chamber

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15
Q

How many cusps are in maxillary 1st molars? (#3 & #14)

A

4 cusps

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16
Q

The mesial is flat on the max 1st molar & the distal is rounded on the max 1st molars ? T or F

A

true

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17
Q

What is the name of the non functioning ML cusps of the max 1st molar?

A

Cusps of carabelli

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18
Q

Which is the largest cusps on the max first molar & only cusps with two ridges?

A

ML cusp

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19
Q

What makes up the central groove in the max first molar?

A

Mesial groove & distal groove

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20
Q

Clinical consideration for max 1st molars: due to arch position and bcuz the 1st molars are the first permaneat teeth to erupt in the maxillary arch, they are considered importatn in the development of ______?

A

Occlusion

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21
Q

Eruption & root age of perm max secondary molars?

A

erupt- 12 and 13 y/o
root- 14 and 16 y/o

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22
Q

How many cusps can a max 2nd molar have?

A

usually 4 (rhombiod) but can be 3 (heart)

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23
Q

Maxillary 2nd molar pulp cavity features?

A

3 pulp canals, 4 pulp horns (each cusps), 1 pulp chamber

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24
Q

How many roots do maxillary molar have?

A

3 roots

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25
The 2nd max molar is shorter ________ and narrower _____ than a 1st molar?
occlusocervically; MD
26
On the maxillary 2nd molar which cusps is sharper?
DL cusp
27
On the maxillary 2nd molar which cusp is longer & larger?
ML cusp
28
Do carabelli cusp do NOT exist on which teeth
2nd & 3rd molars
29
Which is the most common shape in the 2nd max molar?
Rhombodial shape
30
Which is the least common shape in the 2nd max molar?
heart shaped
31
The oblique ridge is LESS prominent on which maxillary molar?
max 2nd molar
32
Which molar is the smallest and most variable shape in the dentition?
3rd molar
33
Eruption age for 3rd molar?
17-21 y/o root- 18-25 y/o
34
IS there an oblique ridge on the max 3rd molar?
NO
35
The roots curve _____ in the max 3rd molar
distally
36
Clinical consideration for max 3rd molars?
impacted
37
The mnadibular 1st molars have a strong _____ inclination when view from proximal?
Lingual
38
Shape of mandibular teeth from proximal view?
Rhomboidal
39
How many roots do the mandibular molars have?
2 ( Bifurcated)
40
What are some clincal considerations for both pt and clinician that involve mandibular molars?
Narrow lingual surfaces w/ inclination and root concavities making it diffucult to instrument and clean.
41
The occlusal surface of a mandibular molar is wrinkled w/ irregular groove pattern, numerious supplemental grooves and occlusal pits is descrbrided as?
Crenulated
42
Which is the first tooth to erupt into the perm dentition?
Mandibular 1st molar
43
The largest cusp on the Mandibular 1st molar?
MB cusp
44
The two roots on the mand 1st molar are larger and more divergent then the second leaving the roots ____ separated ____
Widely separated buccally
45
The roots on the mandibular 1st molar are ______?
Wider and stronger
46
What is the pulp cavity of the mand 1st molar?
3 pulp canals, 5 pulp horns, 1 pulp chamber
47
Which mesial root on the mand 1st molar has two pulp canals?
MB and ML
48
clincal consideration- What is the name of the pit on the mandibular 1st molar?
buccal pit
49
Where is the height of contour on an all molars?
Buccal- cervical third Lingual- middle third
50
What is the largest cusps in the mand 1st molar?
MB cusps
51
Which tooth has the most complex developmental groove pattern of all the perm mand molars?
mand 1st molar (y shape)
52
Eruption & root age of the mand 2nd molar?
erupt-11 & 13 y/o root- 14 & 15 y/o
53
Which molar has 4 cusps nearly equal in size?
Mand 2nd molar
54
Similar to the mand 1st molar the mand 2nd molar can have 3 pulp canals ?T or F
true
55
How many pulp horns does the mand 2nd molar have?
4
56
Height of contour for all molars
Buccal- cervical third lingual-middle third
57
Height of contour for all Maxillary and mandibular molars?
Buccal- cervical third Lingual- middle third
58
Where is the contact located for maxillary & mandibular second molar?
Mesial- middle third Distal - middle third
59
Where Is the contact located for the mandibular first molars? (R&L)
Mesial- junction of occlusal & middle thirds Distal- junction of occlusal & middle thirds
60
Where is the contact located for maxillary 1st molars? (R&L)
Mesial- junction of occlusal and middle thirds Distal- middle third
61
Where is the contact for the maxillary third molars?
Mesial- middle third Distal- no contact
62
Where is the contact for the mandibular third molars?
Mesial - cervical third Distal- no contact
63
Which molar is the largest?
First molars
64
Each buccal surface of a molar has a prominent ________? (In cervical 1/3)
Cervical ridge; running MD
65
How does a cervical ridge impact exploring/scaling of the tooth?
Hard to get instrument around cervical ridge to clean
66
What is the function of molars during mastication?
Grinding
67
Clinical consideration for ALL molars?
Cervical ridge presents challenges during instrumentation around cervical area
68
The oblique ridge on the max 1st & 2nd molars run from which two cusps?
ML & DB cusp
69
Which cusps is the smallest in a first molar?
Distal cusp
70
Which molar has the most complex groove pattern and “Y” shaped pattern?
Mandibular first molars
71
Furcation entrance on molars is Narrow then the width? T or F
True
72
Which cusps is the cusps of carabelli located on?
ML cusp or 5th cusp
73
Which cusps on the maxillary 2nd molars shows the most variability?
Distolingual cusps