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DENTAL ANATOMY YEAH YEAH > Quizzle 3-MaxyMolars > Flashcards

Quizzle 3-MaxyMolars Flashcards

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.

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.

A

Distal

25
Q

Perm Max 1st Molar-Distal-Most of its distal convergence takes place because the facial _____ _____ flattens out in the distal half of the tooth.

A

cervical ridge

26
Q

Perm Max 1st Molar-Distal- It is possible to see much of the ______ surface.

A

facial

27
Q

Perm Max 1st Molar-Distal-There is a shallow but constant root surface ________.

A

depression

28
Q

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.

A

cervical line! he loves it when root surface depressions cross the cervical line!!

29
Q

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.

A

Perm Max 1st Molar–DISTAL view

30
Q

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.

A

Perm Max 1st molar-DISTAL surface

31
Q

Perm Max 1st Molar-OCCLUSIAL: RANK the cusps by SIZE….SMALLEST to LARGEST. (bored? do largest to smallest too)

A

Smallest: Cusp of Carabelli—>DF—->DL—->MF—–>ML:LARGEST

32
Q

Perm Max 1st Molar-OCCLUSIAL: compared to the other Max molars, the ____ cusp is considered “well developed”.

A

DL cusp (it gets smaller in the 2nd and 3rd molars)

33
Q

Perm Max 1st Molar-OCCLUSIAL: There are ____ major fossae located on either side of the mid-point of the ______ ridge.

A

2….oblique ridge

34
Q

Perm Max 1st Molar-OCCLUSIAL: What are the names of the major fossae here?

A

Central Fossa and Distal Fossa (no mesial fossa :))

35
Q

Perm Max Second Molar-Facial: The facial groove is ______ and more _______ positioned ESPECIALLY compared to the Max 1st Molar.

A

Short…..Distally

36
Q

Perm Max Second Molar-Facial: The MF cusp is _____ then the DF cusp.

A

WIDER

37
Q

Perm Max Second Molar-Facial: The cervical line is straight across from mesial to distal *EXCEPT for an apical ____ at the _______ of the crown.

A

DIP….Mid-Point

38
Q

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.

A

115 degree

39
Q

Perm Max Second Molar-Lingual:The DL cusp is well developed and takes up the remaining ___% of the total MD width of the crown.

A

35%

40
Q

Perm Max Second Molar-Mesial: A portion of 3 of the 4 cusp tips can be seen from this view: the ____, ____, and ____ cusps.

A

MF, ML, DF

41
Q

Perm Max Second Molar-Mesial: The Facial and Lingual outlines of the crown are both _______.

A

ConVex (aside: lingual is more convex then facial)

42
Q

Perm Max Second Molar-Mesial: What does the Mesial Marginal Ridge look like? What is MISSING on the Mesial Marginal Ridge?

A

Looks like a SemiCircle! It is devoid of a GROOVE

43
Q

Perm Max Second Molar-Occlusial: The occlusial structure has ____ well developed cusps.

A

4

44
Q

Perm Max Second Molar-Occlusial: The MF cusp is the most ______ and ______ placed cusp.

A

Facially and Mesially (DUH!!)

45
Q

Perm Max Second Molar-Occlusial: RANK the SIZE of the cusp from Largest to Smallest. (bored? do smallest to largest too!)

A

Largest:ML—>MF—->DF—->Smallest:DL

46
Q

Permanent Maxillary 3rd Molars- MESIAL: The crown to root ratio is approx __:__ which is ______ for molars!

A

1:2 which is SHORT for molars

47
Q

Permanent Maxillary 3rd Molars- Occlusial: RANK the Size of the Cusps from Smallest to Largest. (Bored? rank from largest to smallest)

A

Smallest:DL—–>DF—–>ML—->Largest:MF (The rankings for each of the Max molars is different!)

48
Q

Permanent Maxillary 3rd Molars- Occlusial: What are the major pits?

A

Central, Mesial and Distal Triangular

49
Q

Permanent Maxillary 3rd Molars- Occlusial: What structure is not very evident that separates the ML and DL cusps.

A

the Lingual Groove!

50
Q

Which tooth am I? Root trunk from the facial measures 4mm.

A

1st molar

51
Q

Which tooth am I? Depression on the distal cervical line.

A

1st molar

52
Q

Which tooth am I? The facial groove runs diagonal and then parallel to the long axis of the tooth.

A

1st molar

53
Q

Which tooth am I? My cervical line on the facial has a DIP at the mid-point in the MD crown length.

A

2nd molar

54
Q

Which tooth has a 115 degree angle when looking at the ML cusp/mesial outline from a lingual view?

A

2nd molar

55
Q

Which tooth has a 35% DL cusp and which has the 40% DL cusp?

A

35%-2nd molar….40% 1st molar

56
Q

Which tooth am I? A semicircular mesial marginal ridge from a mesial view.

A

2nd molar

DENTAL ANATOMY YEAH YEAH (9 decks)

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