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Tooth M Molars > Group questions- Molars > Flashcards

Group questions- Molars Flashcards

1
Q

1) Longest lingual root is bent like a banana?

A

Max 1st Molar

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2
Q

Has slight concavity on the distal root trunk, located between the distobuccal root and cervical line. This cavity is hard to keep clean.

A

Max 1st Molar

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3
Q

Lingual root is straighter, roots spread out less?

A

Mand. 2nd Molar

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4
Q

Lingual root extends much further out than the crown?

A

Max 1st Molar

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5
Q

On both Maxillary Molars which cervical line has a greater curvature?

A

Mesial cervical line

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6
Q

Which cusp is most likely to be absent on maxillary second molar?

A

Distolingual cusp

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7
Q

When a distolingual cusp is absent, which groove(s) would not be present?

A

Distal Obligue Groove

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8
Q

Which fossae is the largest on a maxillary first molar?

A

Central

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9
Q

Which cusp is the largest and longest on a maxillary second molar?

A

Mesial lingual cusp

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10
Q

The triangular ridges of which two cusps form the transverse ridge on most maxillary molar?

A

Mesiolingual and Mesiobuccal triangular ridges

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11
Q

What is the largest fossae of maxillary molars?

A

Central fossa

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12
Q

What Maxillary molar groove appears to be a continuation of the central groove?

A

distal oblique groove

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13
Q

Is the third molar crowns bigger or smaller than the first and second molars?

A

smaller

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14
Q

T/F? Deep grooves are normally found on the buccal surfaces of maxillary molars

A

False. Deep grooves are foung on the lingual surfaces of maxillary molars.

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15
Q

What is a difference that can be noted on most third molar roots in compared to the first and second molar?

A

Roots are fused together

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16
Q

All of the following fossae are found on a mandibular first molar except:

A

Buccal

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17
Q

On a five cusped molar, which cusp does not have a triangular ridge that forms part of a transverse ridge?

A

Distal

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18
Q

T/F? The distobuccal groove is unique to the second molar, starts at the central groove and extends between the distobuccal and distal cusps.

A

False, it is unique to the first molar

19
Q

On a mandibular second molar, where is the mesial contact point?

A

Junction of the middle and buccal third

20
Q

On some maxillary _______ molars, there may be a small fifth cusp called the cusp of carabelli on the ______ surface.

A

first, lingual

21
Q

T/F? Mandibular first molars are the only ones that have a distobuccal groove- makes them unique.

A

True

22
Q

Mandibular First Molars

A
  1. Have 5 cusps
  2. 2 buccal grooves
  3. Central groove zigzags
  4. Has a UNIQUE distobuccal groove
23
Q

Mandibular Second Molars

A
  1. Have 4 cusps
  2. 1 buccal groove
  3. Central groove resembles a cross (+)
  4. More likely to have a supplemental groove.
24
Q

This tooth can have a fifth cusp, Cusp of Carabelli, located on the lingual surface of the _______ cusp.

A

Maxillary First Molar, mesiolingual

25
Q

What is the mesial contact point of the Maxillary First Molar?

A

Junction of the occlusal and middle thirds

26
Q

The mesiolingual cusp of this tooth is larger than the distolingual cusp.

A

Maxillary first molar

27
Q

On the mesial, the roots of this tooth usually extend wider than the crown.

A

Maxillary first molar

28
Q

The ___________ marginal ridge is located more cervically than the _______ marginal ridge on both first and second molars.

A

Distal, mesial

29
Q

Which mandubular molar has a wide mesial root with a blunted tip?

A

Mandibular first molar

30
Q

Which mandibular has 5 cusps? What are they called?

A 
Mandibular first molar:
Mesiobuccal
Distobuccal
distal cusp (smallest)
Mesiolingual
Distolingual
31
Q

_______ has a Distal contact area more cervical than the mesial contact area.

A

Mandibular first molar

32
Q

_______ marginal ridge of mandibular molars are shorter (V-shape) allowing full view of all molar cusp whereas the_______marginal ridge only shows visibility of the buccal and lingual cusp.

A

Distal marginal ridge (v-shape, low); Mesial marginal ridge

33
Q

Which mandibular molar has a buccal & lingual groove that intersects and creates a (+) shape across the central groove?

A

Mandibular second molar

34
Q

Comparing the first and second mandibular molars, this molar has a more prominent cervical ridge?

A

Mandibular second molar

35
Q

Which molar ha a probability of having a functionless fifth cusp (cusp of carabelli) on its lingual surface?

A

Maxillary first molar

36
Q

T/F? From the buccal or lingual views, both maxillary and mandibular molars are wider occlusocervically than mesiodistally.

A

False, wider mesiodistally than occlusocervically

37
Q

Which mandibular first or second molar has three buccal cusps?

A

Mandibular first molar

38
Q

Which of these functions is not applicable for molars?

A

Tearing

39
Q

T/F? Molars have an occlusal surface larger than any other tooth.

A

True

40
Q

How many roots does a maxillary molar have? Where are they located?

A

3; mesiobuccal, distobuccal and lingual

41
Q

Which molar is more likely to have five cusps?

A

Mandibular first molar

42
Q

There is no distobuccal groove on which mandibular molar?

A

Mandibular second molar

43
Q

Which mandibular molar has the shorter root trunk?

A

Mandibular first molar

44
Q

Which mandibular crown tapers more lingually?

A

Mandibular first molar

Tooth M Molars (2 decks)

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