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Occlusion Lecture > Interocclusal contacts in MIP and excursive movements > Flashcards

Interocclusal contacts in MIP and excursive movements Flashcards

1
Q

What are the two philosophies for interocclusal contacts?

A

*Cusp-Fossa contacts
*Cusp-Marginal Ridge contacts

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2
Q

What is a cusp-marginal rige occlusion?

A

Each Functional cusp contacts the marginal ridges of opposing pair of teeth or fossae of opposing teeth.

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3
Q

How many teeth arrangement is Cusp-marginal ridge?

A

1 tooth to two teeth arrangment

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4
Q

What is occlusion type is commonly used for single restorations?

A

Cusp-marginal ridge

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5
Q

What type of occlusion is cusp-fossa?

A

Each functional cusp occludes in a fossa of the opposing tooth

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6
Q

How many teeth arrangement is Cusp-fossa?

A

tooth to tooth arrangment

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7
Q

What occlusion type is used when retsoring both opposing quadrants of teeth?

A

cusp-fossa

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8
Q

The cusp-fossa relationship allows only for each cusp to occlude into ____ fossa.

A

one

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9
Q

The cusp-marginal ridge occlusal relationship allows for some cusps to occlude onto __________ ______ and some others to occlude into _________ ______.

A

marginal ridges
occlusal fossae

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10
Q

In anterior interocclusal contacts the mandibular central incisor contacts…

A

maxillary central incisor
- opposes only one tooth (only tooth to do this besides the max 3rd molar)

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11
Q

In anterior interocclusal contacts the mandibular lateral incisor contacts…

A

opposing maxillary central and lateral incisors

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12
Q

In anterior interocclusal contacts the mandibular canine contacts…

A

opposing maxillary lateral incisor and maxillary canine

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13
Q

In posterior interocclusal contacts the mandibular first premolar contacts…

A
  • mesial marginal ridge of maxillary first premolar and the distal marginal ridge of the maxillary canine (cusp-marginal ridge)
    or
  • mesial fossa of the maxillary first premolar (cusp-fossa)
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14
Q

In posterior interocclusal contacts the mandibular second premolar contacts…

A
  • mesial marginal ridge of the maxillary second premolar and the distal marginal ridge of the maxillary first premolar (cusp-marginal ridge)
    or
  • mesial fossa of the maxillary second premolar (cusp-fossa)
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15
Q

In posterior interocclusal contacts the mandibular first molar MB cusp contacts…

A
  • mesial marginal ridge of the maxillary first molar and the distal marginal ridge of the maxillary second premolar (cusp-marginal ridge)
    or
  • mesial triangular fossa of the maxillary first molar (cusp-fossa)
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16
Q

In posterior interocclusal contacts the mandibular first molar DB cusp contacts…

A

▪central fossa of the maxillary first molar (cusp-marginal ridge)
or
▪central fossa of the maxillary first molar (cusp-fossa)

17
Q

In posterior interocclusal contacts the mandibular first molar D cusp contacts…

A
  • usually non-functional/not in occlusion
    or
  • contacts the distal fossa of the maxillary first molar (cusp-marginal ridge)
    or
  • contacts the distal fossa of the maxillary first molar (cusp-fossa)
18
Q

In posterior interocclusal contacts the mandibular second molar the MB cusp contacts…

A

*mesial marginal ridge of the maxillary second molar and the distal marginal ridge of the maxillary first molar (cusp-marginal ridge)
or
*mesial triangular fossa of the maxillary second molar (cusp-fossa)

19
Q

In posterior interocclusal contacts the mandibular second molar MB cusp contacts…

A
  • central fossa of the maxillary second molar (cusp-marginal ridge)
    or
  • central fossa of the maxillary second molar (cusp-fossa)
20
Q

What are the three types of excursive movements?

A
  • right lateral movement
  • left lateral movement
  • protrusive movement
21
Q

What are the cuspal pathways?

A
  • working (laterotrusive)
  • non-working (mediotrusive)
  • protrusive
22
Q

For anterior interocclusal contacts the maxillary central incisor contacts…

A

mandibular central and lateral incisors

23
Q

For anterior interocclusal contacts the maxillary lateral incisor contacts…

A

opposing mandibular lateral incisor an mandibular canine

24
Q

For anterior interocclusal contacts the maxillary canine contacts…

A

opposing mandibular canine and overhangs-contacts the mandibular premolar

25
Q

For posterior interocclusal contacts the maxillary first premolar contacts…

A
  • distal fossa of the mandibular first premolar
    OR
  • distal marginal ridge of the mandibular first premolar molar and mesial marginal ridge of the mandibular second premolar (cusp-marginal ridge)
    or
  • distal fossa of the mandibular first premolar (cusp-fossa)
26
Q

For posterior interocclusal contacts the maxillary second premolar contacts…

A
  • distal fossa of the mandibular second premolar
    OR
  • distal marginal ridge of the mandibular second premolar molar and the mesial marginal ridge of the mandibular first molar (cusp-marginal ridge)
    or
  • distal fossa of the mandibular second premolar (cusp-fossa)
27
Q

For posterior interocclusal contacts the maxillary first molar ML cusp contacts…

A
  • central fossa of the mandibular first molar (cusp-marginal ridge)
    or
  • central fossa of the mandibular first molar (cusp-fossa)
28
Q

For posterior interocclusal contacts the maxillary first molar DL cusp contacts…

A
  • distal marginal ridge of the mandibular first molar and the mesial marginal ridge of the mandibular second molar (cusp-marginal ridge)
    or
  • distal fossa of the mandibular first molar (cusp-fossa)
29
Q

For posterior interocclusal contacts the maxillary second molar ML cusp contacts…

A
  • central fossa of the mandibular second molar (cusp-marginal ridge)
    or
  • central fossa of the mandibular second molar (cusp-fossa)
30
Q

For posterior interocclusal contacts the maxillary second molar DL cusp contacts…

A
  • distal marginal ridge of the mandibular second (cusp-marginal ridge)
    or
  • distal fossa of the mandibular second molar (cusp-fossa)

Occlusion Lecture (17 decks)

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