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RPD > RPD midterm 22 > Flashcards

RPD midterm 22 Flashcards

1
Q
  1. What to use for a mandibular lingual tori
A

b. Lingual plate

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2
Q
  1. Picture: #20 & #29 something about definite distal dislodgement
A

a. True ??

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3
Q
  1. What is the external finish line?
A

a. External junction of the framework to plastic denture base

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4
Q
  1. When biting down the I bar moves in what direction?
A

a. Mesial and down

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5
Q
  1. Tissue undercut can prevent selection of (supra, infra, minor connector)
A

a. Infrabulge

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6
Q
  1. What is the most commonly used major connector for class III RPDs?
A

a. Palatal strap

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7
Q
  1. Undercut for a cast chromium clasp?
A

a. 0.01 inches

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8
Q
  1. Proximal plate adjusted before rest seat. S curved survey line for retentive not reciprocal.
A

a. True, true

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9
Q
  1. Fabrication of RPD framework is done on what?
A

a. Master cast

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10
Q
  1. Which function of major connectors disperses lateral forces?
A

a. Cross arch stabilization

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11
Q
  1. Order of tooth modifications
A

a. Guide planes, survey line adjustment, rest seat

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12
Q
  1. Kennedy classification with no modifications
A

a. Class IV

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13
Q
  1. What does NOT apply to guiding planes?
A

a. NEVER use an occlusal rest on a mesially tilted mandibular molars for rest seats

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14
Q
  1. What is the pod?
A

a. Part of the I bar in that contacts the 0.01” undercut

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15
Q
  1. What do you remove on an alternative/altered cast?
A

a. Distal extensions

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16
Q
  1. What is drawn in red on a cast?
A

a. Undercuts

17
Q
  1. Where can you not put an I bar clasp?
A

a. DF undercut

18
Q
  1. As the length of the guiding plane increases, frictional retention is increased. When length is increased, resistance to rotation is increased.
A

a. True, true

19
Q
  1. What classification is a bilateral distal extension?
A

a. Class I

20
Q
  1. You have #19,22,23,24,25 missing. What classification is it?
A

a. Kennedy class III mod 1

21
Q
  1. Super borders for lingual bar 6mm from the free gingival margin. This distance best measured on cast.
A

a. False, false (distance should be measured in the mouth)

22
Q
  1. Axis of rotations determined from?
A

a. Position of the primary rests

23
Q
  1. “short” guiding planes length (tooth-tissue supported RPD)
A

a. 1.5 mm

24
Q
  1. length class III (tooth-supported RPD)
A

a. 3-4 mm

25
Q
  1. Best clasp choice for stress relief in tooth-tissue supported RPDs
A

a. RPI

26
Q
  1. Proximal 2/3 of reciprocal clasp in ______, terminal 1/3 of retentive clasp in ______
A

a. Middle, gingival

27
Q
  1. A patient presents with all maxillary teeth. Which does not contribute to Kennedy classification?
    a. Path of insertion
    b. Possible extraction in anterior teeth
    c. Possible extraction in posterior teeth
    d. Tooth for RPD
A

a. Path of insertion

28
Q
  1. When is lingual plate major connector NOT indicated?
A

a. Anterior crowding

29
Q
  1. What connects major connector to other pieces of the framework?
A

a. Minor connector

30
Q
  1. What component of the framework is rigid and lies above the survey line?
A

a. Reciprocal clasp

31
Q
  1. T/F: concerning guiding planes:
    As wide as ½ the distance between cusp tips
    1/3 the bucco-lingual width of the tooth
A

a. True

32
Q
  1. T/F Vertical arm must be locked in place
A

a. False

33
Q
  1. Picture: tooth used for ring clasp
    a. #18 ???
    b. 21
    c. 28
A

d. None of these used for ring clasp - i chose this answer

34
Q
  1. Picture: what is wrong with this picture (mandibular canine)
    a. Needs a proper rest seat
    b. Mesiodistal width
    c. Buccolingual width
    d. Incisal width
A

c. Buccolingual width

35
Q
  1. Best used clasp for this picture
    a. Distal rest
    i. Maybe WW (wrought wire) circumferential
    ii. Maybe I-bar
    iii. 1/2 Tbar
    iv. Def not mesial seat
A

ii. Maybe I-bar

36
Q
  1. What is contraindicated for a tissue undercut
    a. Idk the answer
    b. Circumferential
    c. ½ T clasp - because it’s an infrabulge clasp
A

c. ½ T clasp - because it’s an infrabulge clasp

37
Q
  1. Not used in stress situations
    a. Embrasure
    b. RPI
    c. Combined circumferential
A

a. Embrasure - answer

38
Q
  1. Not requirement of clasp assembly
    a. Support
    b. Retention
    c. Principle of encirclemenet
    d. Reciprocation
A

a. Support

39
Q
  1. Bilateral distal extension
A

a. Kennedy class 1 mod 2

RPD (22 decks)

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