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D2 Fall - RPD > 9/24: Indirect Retainers; Denture Base Considerations > Flashcards

9/24: Indirect Retainers; Denture Base Considerations Flashcards

1
Q
  1. An indirect retainer converts what kind of lever to what?
A

a. Class 1 to class 2

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2
Q
  1. This is usually a rest located on the OPPOSITE side of the fulcrum
A

a. Indirect retainer

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3
Q
  1. Ideally, where should an indirect retainer be located in regards to the fulcrum line?
A

a. Opposite side of fulcrum

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4
Q
  1. Is a lingual plate alone acceptable for an indirect retainer?
A

No

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5
Q
  1. A class I RPD has how many indirect retainers?
A

2

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6
Q
  1. A class II RPD has how many indirect retainers?
A

1

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7
Q
  1. This is the external junction of the framework to plastic denture base
A

a. External finish line

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8
Q
  1. What teeth type are most common?
A

a. Acrylic

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9
Q
  1. What material do we use for the denture base?
A

a. Polymethyl methacrylate (PMMA)

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10
Q
  1. The mandibular denture lattice extends how far?
A

a. 2⁄3 distance to retromolar pad

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11
Q
  1. The maxillary denture lattice extends how far?
A

a. 2⁄3 distance to hamular notch

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12
Q
  1. What are the types of acrylic denture base retention?
A

a. Lattice
b. Mesh
c. Retentive beads

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13
Q
  1. This is 2 struts of metal and the strongest attachment
A

a. Lattice retention

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14
Q
  1. What is the preferred retention?
A

a. Lattice

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15
Q
  1. This retention has thin sheets of metal with holes and weak attachment strength
A

a. Mesh retention

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16
Q
  1. This is used to prevent displacement or deformation of the metal framework during resin-packing procedures
A

a. Cast stop

17
Q
  1. Is a cast stop made on a maxillary or mandibular base?
A

a. Mandibular base

18
Q
  1. The internal finish line should be
A

a. 90 degrees

19
Q
  1. The external finish line should be
A

a. Less than 90 degrees

20
Q
  1. What is the purpose of a finish line?
A

a. Prevent acrylic material from becoming too thin

21
Q
  1. What are the kinds of tooth replacement?
A

a. Acrylic
b. Porcelain
c. Tube teeth
d. RAPs
e. Metal teeth

22
Q
  1. These are the most common teeth replacement and do not wear opposing dentition
A

Acrylic

23
Q
  1. These are teeth replacements that suck
A

a. Porcelain

24
Q
  1. These teeth are chemically bonded to the denture
A

a. Acrylic

25
Q
  1. These teeth are mechanically bonded to the denture
A

a. Porcelain

26
Q
  1. These are denture teeth with drilled channel that are secured to a metal post
A

a. Tube teeth

27
Q
  1. These are composite resin polymerized around projections of metal from denture base
A

a. RAPs

28
Q
  1. You see RAPs on which teeth?
A

a. Anterior teeth only

D2 Fall - RPD (10 decks)

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