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DENTAL ANATOMY YEAH YEAH > Quizzle 3-MaxyMolars > Flashcards

Quizzle 3-MaxyMolars Flashcards

(56 cards)

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1
Q

Permanent Maxillary 1st Molars-FACIAL: Both facial cusps are more ______ then the lingual cusps.

A

POINTED!

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2
Q

Permanent Maxillary 1st Molars-FACIAL: The cuspal ridges of the MF cusp meet at a(n) _______ angle.

A

Obtuse

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3
Q

Permanent Maxillary 1st Molars-FACIAL: The cuspal ridges of the DF meet at a(n) _____ angle.

A

90 degree

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4
Q

Permanent Maxillary 1st Molars-FACIAL: Which cusp is sharper? MF or DF?

A

DF (90 degree)

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5
Q

Permanent Maxillary 1st Molars-FACIAL: The facial groove extends OcclusoCervically between the MF and DF cusps to a point near the ______ of the facial surface, with SIGNIFICANT angulation at the facial pit location toward the ______.

A

Center……DISTAL

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6
Q

Permanent Maxillary 1st Molars-FACIAL: The facial surface has a slight depression extending laterally (both mesially and distally) from the “________” to the “_______”. It is occlusal to and parallel to the _______.

A

“cervical limit”….”facial groove”…..cervical ridge

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7
Q

Permanent Maxillary 1st Molars-FACIAL: The facial surface has ______ _______ ______ extending cervically from the cusp tip of EACH facial cusp and terminating in the _______.

A

vertical facial ridges….cervical third

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8
Q

Permanent Maxillary 1st Molars-FACIAL: The cervical ridge runs MesioDistally just occlusally to the ________, but only in the ______ 2/3 of the ______ third of the crown.

A

cervical line….mesial….cervical

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9
Q

Permanent Maxillary 1st Molars-FACIAL: The MF root extends apically with a slight ______ curve for 2/3 of its length and THEN curves slightly to the ______.

A

mesial curve…distal!

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10
Q

Permanent Maxillary 1st Molars-FACIAL: The DF root is ______ AND ______ than the MF root.

A

Straighter AND shorter

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11
Q

Permanent Maxillary 1st Molars-FACIAL: The root TRUNK averages __mm in length.

A

4mm

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12
Q

Permanent Maxillary 1st Molar: LinguaL- The DL cusp is well developed and takes up the remaining ___ % of the total MD width of the crown.

A

40%

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13
Q

Permanent Maxillary 1st Molar: LinguaL- The DL cusp “tip” is SO _______ that it sometimes is described as ________.

A

rounded….SPHEROIDAL!

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14
Q

Permanent Maxillary 1st Molar: LinguaL-The Occlusial outline of the DL cusp joins the distal outline of the crown in an arc that is almost a ________.

A

SemiCircle

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15
Q

Permanent Maxillary 1st Molar: LinguaL-The lingual groove begins at the _____ border of the occlusal table as an extension of the _____ ______ groove.

A

lingual….distal oblique (DL) groove

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16
Q

Permanent Maxillary 1st Molar: LinguaL- The lingual groove from the origin slants cervically and _______ across the lingual surface until it gets to the center, THEN it turns more _______ with the long axis of the tooth.

A

diagonally….parallel

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17
Q

Permanent Maxillary 1st Molar: MESial- The triangular ridges of the MF and ML cusps are Not as _______ as the Maxillary PreMolars.

A

Not as Inclined!

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18
Q

Permanent Maxillary 1st Molar: MESial- There is a mesial marginal groove that crosses the ______ _____ _____ and travels slightly on to the mesial surface and is “_____ ___” with the vertical long axis of the tooth.

A

mesial marginal ridge….”LINED UP” (fresh line up bro)

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19
Q

Permanent Maxillary 1st Molar: MESial- How many roots are visible? Which ones are they?

A

2! L and MF roots

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20
Q

Permanent Maxillary 1st Molar: MESial- The MF root is much ______ and slightly ______ then the DF root.

A

wider…longer

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21
Q

Permanent Maxillary 1st Molar: MESial- The ROOT TRUNK is slightly ______ on the mesial then on the facial.

A

shorter! (no measured distance)

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22
Q

Permanent Maxillary 1st Molar: MESial- The Mesial root surface shows a _______ in the trifurcation area.

A

Concavity

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23
Q

ARE YOU READY!!!!????Permanent Maxillary 1st Molar: MESial- The facial outline of the ___ root often extends FACIALLY in its MIDDLE 1/3 ALSMOST BEYOND the greatest projection of the crown and then in the MIDDLE 1/3 the root curves ______ to a _____ apex that is approx in line with the tip of the ___ cusp.

Study These Flashcards
A

MF…lingually…BLUNT…MF cusp

24
Q

Perm Max 1st Molar-Distal- Like all molars the crown of this tooth is narrower in its _______ half.

25
Perm Max 1st Molar-Distal-Most of its distal convergence takes place because the facial _____ _____ flattens out in the distal half of the tooth.
cervical ridge
26
Perm Max 1st Molar-Distal- It is possible to see much of the ______ surface.
facial
27
Perm Max 1st Molar-Distal-There is a shallow but constant root surface ________.
depression
28
Perm Max 1st Molar-Distal-The root surface depression extends from the cervical third of the root ACROSS the ______ ____ on to the cervical third of the crown.
cervical line! he loves it when root surface depressions cross the cervical line!!
29
Which tooth & view am I describing? There is a shallow, but consistent root surface depression that extends from the cervical third of the crown of the root across the cervical line onto the cervical third of the crown.
Perm Max 1st Molar--DISTAL view
30
Which tooth & surface am I describing? Clinicians MUST BE CARFUL to restore class II preparations on this surface or be mindful of calculus deposits that may engulf the depression, making the calc difficult to remove.
Perm Max 1st molar-DISTAL surface
31
Perm Max 1st Molar-OCCLUSIAL: RANK the cusps by SIZE....SMALLEST to LARGEST. (bored? do largest to smallest too)
Smallest: Cusp of Carabelli--->DF---->DL---->MF----->ML:LARGEST
32
Perm Max 1st Molar-OCCLUSIAL: compared to the other Max molars, the ____ cusp is considered "well developed".
DL cusp (it gets smaller in the 2nd and 3rd molars)
33
Perm Max 1st Molar-OCCLUSIAL: There are ____ major fossae located on either side of the mid-point of the ______ ridge.
2....oblique ridge
34
Perm Max 1st Molar-OCCLUSIAL: What are the names of the major fossae here?
Central Fossa and Distal Fossa (no mesial fossa :))
35
Perm Max Second Molar-Facial: The facial groove is ______ and more _______ positioned ESPECIALLY compared to the Max 1st Molar.
Short.....Distally
36
Perm Max Second Molar-Facial: The MF cusp is _____ then the DF cusp.
WIDER
37
Perm Max Second Molar-Facial: The cervical line is straight across from mesial to distal *EXCEPT for an apical ____ at the _______ of the crown.
DIP....Mid-Point
38
Perm Max Second Molar-Lingual: The mesial cuspal ridge of the ML cusp meets the relatively straight mesial outline of the crown at a ___ degree angle.
115 degree
39
Perm Max Second Molar-Lingual:The DL cusp is well developed and takes up the remaining ___% of the total MD width of the crown.
35%
40
Perm Max Second Molar-Mesial: A portion of 3 of the 4 cusp tips can be seen from this view: the ____, ____, and ____ cusps.
MF, ML, DF
41
Perm Max Second Molar-Mesial: The Facial and Lingual outlines of the crown are both _______.
ConVex (aside: lingual is more convex then facial)
42
Perm Max Second Molar-Mesial: What does the Mesial Marginal Ridge look like? What is MISSING on the Mesial Marginal Ridge?
Looks like a SemiCircle! It is devoid of a GROOVE
43
Perm Max Second Molar-Occlusial: The occlusial structure has ____ well developed cusps.
4
44
Perm Max Second Molar-Occlusial: The MF cusp is the most ______ and ______ placed cusp.
Facially and Mesially (DUH!!)
45
Perm Max Second Molar-Occlusial: RANK the SIZE of the cusp from Largest to Smallest. (bored? do smallest to largest too!)
Largest:ML--->MF---->DF---->Smallest:DL
46
Permanent Maxillary 3rd Molars- MESIAL: The crown to root ratio is approx __:__ which is ______ for molars!
1:2 which is SHORT for molars
47
Permanent Maxillary 3rd Molars- Occlusial: RANK the Size of the Cusps from Smallest to Largest. (Bored? rank from largest to smallest)
Smallest:DL----->DF----->ML---->Largest:MF (The rankings for each of the Max molars is different!)
48
Permanent Maxillary 3rd Molars- Occlusial: What are the major pits?
Central, Mesial and Distal Triangular
49
Permanent Maxillary 3rd Molars- Occlusial: What structure is not very evident that separates the ML and DL cusps.
the Lingual Groove!
50
Which tooth am I? Root trunk from the facial measures 4mm.
1st molar
51
Which tooth am I? Depression on the distal cervical line.
1st molar
52
Which tooth am I? The facial groove runs diagonal and then parallel to the long axis of the tooth.
1st molar
53
Which tooth am I? My cervical line on the facial has a DIP at the mid-point in the MD crown length.
2nd molar
54
Which tooth has a 115 degree angle when looking at the ML cusp/mesial outline from a lingual view?
2nd molar
55
Which tooth has a 35% DL cusp and which has the 40% DL cusp?
35%-2nd molar....40% 1st molar
56
Which tooth am I? A semicircular mesial marginal ridge from a mesial view.
2nd molar

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