Quiz 10 Flashcards

0
Q

How many roots are on the buccal of a maxillary molar?

A

Two

1) mesial buccal: mid size/broad flat
2) distal buccal: smallest

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1
Q

Function of the molars

A

Grind and crush

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2
Q

How many roots are on the palatal surface of the maxillary molar

A

One

  • largest/longest of all three roots, round
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3
Q

Where does the maxillary mesialingual cusp occlude

A

Mandibular central fossae

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4
Q

Where does the mandibular distobuccal cusps occlude?

A

Maxillary central fossae

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5
Q

Maxillary distolingual cusps contact mandibular ______ _______

A

Marginal ridge

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6
Q

Mandibular mesiobuccal cusps contact maxillary _____ ______

A

Marginal ridges

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7
Q

Mesiobuccal cusp of the maxillary 1st molar is more than a 1/2 tooth mesial to the mesiobuccal groove of the mandibular 1st molar

A

Class 2

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8
Q

MB cusp of the maxillary 1st molar occluded with the MB groove of the mandibular 1st molar

A

Class 1

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9
Q

Mesiobuccal cusp of the maxillary 1st molar is more than a 1/2 tooth distal to the Mesiobuccal groove of the mandibular 1st molar

A

Class 3

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10
Q

What are the cornerstones of the dental arches

A

Maxillary and mandibular first molars

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11
Q

Height of contour on the buccal aspect of the maxillary first molar

A

At the buccal cervical ridge, in the cervical 3rd close to CEJ

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12
Q

Which line angle tends to collect plaque and calculus

A

Distobuccal

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13
Q

Where is the height of contour on the lingual aspect of the maxillary first molar

A

In the cervical 3rd close to the junction of the cervical and middle 3rd

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14
Q

What is the largest cusp on the maxillary first molar?

A

Mesial lingual cusp

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15
Q

Name of the 5th cusp

A

Cusp of carabelli

16
Q

Where is the mesial contact?

A

Centered in the occlusal 3rd

17
Q

Where is the mesial marginal ridge positioned?

A

More occlusally than the DMR

18
Q

Where is the distal contact

A

Placed buccally in the middle 3rd

19
Q

Where is the distal marginal ridge

A

Slightly more cervical than the mesial marginal ridge

20
Q

Maxillary molars are wider ___________

A

Buccolingually

21
Q

Maxillary molar primary cusp triangle includes…

A

Mesiolingual, mesiobuccal, distobuccal

22
Q

Shape of central fossa

A

Triangular (mesial to oblique ridge)

23
Q

Shape of the distal fossa

A

Linear shape (distal to oblique ridge)

24
Q

Mesial triangular fossa

A

Minor fossa just distal to the MMR

25
Q

Distal triangular fossa

A

Minor fossa just mesial to the DMR