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RPD > Important Info 2.3 > Flashcards

Important Info 2.3 Flashcards

1
Q

What is the proximal guide plane length of a Class III RPD?
a. 1-2
b. 3-4
c. 4-5
d. 5-6

A

c. 4-5 → (i have absolutely no clue where in the slides it’s written but I believe it’s this)

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2
Q

What best describes the external finish line?

A

a. Framework to denture base

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3
Q

When biting down on the I-bar, how does it move?

A

Mesial and down

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4
Q

All of the following can be used with a tissue undercut, EXCEPT:
a. Circumferential
b. 1⁄2 T-bar

A

b. 1⁄2 T-bar

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5
Q

What is the most commonly used for a Class III RPD?

A

a. Palatal strap

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6
Q

What is the width of the anterior-posterior palate?

A

6-8mm

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7
Q

What is the ideal depth of the marginal ridge in a rest seat?

A

a. 1-1.5

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8
Q

The proximal plate is adjusted before the rest seat. S curved survey line is for retentive not
reciprocal

A

Both statements are true

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9
Q

Fabrication of the RPD framework is done on

A

a. Master cast

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10
Q

Lateral forces →

A

a. Cross-arch stabilization

(2020 or 2021 have this written better but im too lazy right now)

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11
Q

These transfer the force down the long axis
a. Rest
b. Rest seat

A

a. Rest → this is the actual metal
(rest seat = prep on the tooth)

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12
Q

What is the proper order of reduction?

A

Guide planes → survey line → rest seat

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13
Q

Co-Cr is the material primarily used at UMKC. Co-Cr is used more than Ni-Cr because it can cause
allergies in people.

A

Both statements are true

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14
Q
  1. Why don’t you want an excessive tilt to the cast?
A

Want the cast to be perpendicular to the occlusal plane

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15
Q

This Kennedy classification has NO modifications

A

Class IV

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16
Q

The proximal 2⁄3 of the retentive clasp is located in the _____, terminal 1⁄3 of the retentive is in
the _______

A

Middle, gingival

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17
Q

All of the following apply to guiding planes EXCEPT:

A

Never use mesially tilted mandibular molars for the rest seats

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18
Q

What best describes the “Pod”?

A

a. 0.01 undercut on the I-Bar

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19
Q

When doing an Alternative cast, what should you do?

A

Remove distal extensions

20
Q
  1. (T/F) Class I and Class III are used for the alternative cast RPD method
A

False → Class I and Class II

21
Q

In what color do you draw the undercut?

A

red

22
Q
  1. Where can you not put an I bar?
A

DF undercut

23
Q

As length of the guiding plane increases, the frictional retention increases. As well as the resistance increases.

A

Both statement are true

24
Q

You have every tooth in the mouth except for tooth #19,23,24,25,26,29. What Kennedy classification is this?

A

Class III, Mod II

25
Q

What Kennedy classification is a Bilateral distal extension?

A

Class I

26
Q

The superior borders for the lingual bar are 6mm from the gingival margin. Distance is best measured on the cast.

A

Both false

27
Q

The axis of rotations are measured from

A

Position of the primary rest

28
Q

(T/F) In a Kennedy class II RPD, there is no axis of rotation because there is no functional movement across the median suture in the maxilla.

A

false

29
Q

Which of the following is NOT true regarding the principle of encirclement?
a. RPI does not satisfy it
b. Can be continuous or discontinuous
c. Etc…

A

a. RPI does not satisfy it

30
Q

The “short” guiding planes have what measurement?

A

1.5mm

31
Q

On which of the following teeth do we most often see a composite cingulum?
a. #13
b. #18
c. #21
d. #22

A

d. #22 → mandibular canine

32
Q

What clasp is the best choice for stress-relief?

A

RPI

33
Q

All of the following is required for the clasp assembly EXCEPT:
a. Stability
b. Support
c. Reciprocation
d. Encirclement of 90 degrees

A

d. Encirclement of 90 degrees → has to be 180

34
Q

Which of the following is inappropriate terminology?
a. Cast
b. Diagnostic
c. Flipper
d. Etc…

A

c. Flipper

35
Q

In applegate, the most ______ edentulous area _____ determines the kennedy classification

A

Posterior, always

36
Q

Tilting the cast changes the HOC. You should do your survey lines after creating your rest seats.

A

First is true, second is false

37
Q

RPI is what type of lever?

A

Class II

38
Q

When is the lingual plate NOT indicated?

A

Anterior crowding

39
Q

You want to keep the occlusal contour originally rounded. The rest should be 1⁄2 the distance
between cusp tips.

A

Both statements are True

40
Q
  1. Which of the following is NOT true concerning the guiding planes?
    a. Can be as wide as 1⁄2 the distance between cusp tips
    b. 1⁄3 the bucco-lingual width of the tooth
    c. Can be extended further than 1⁄2 the mesial-distal width in some cases
    d. Etc…
A

(don’t remember what the correct answer was, but the A-C is TRUE)

41
Q

What is the undercut for a cast chromium clasp?
a. 0.01 cm
b. 0.01 mm
c. 0.01 inches

A

c. 0.01 inches (I got this wrong, make sure you look at the units!)

42
Q

A patient presents with all maxillary teeth. Which of the following does NOT contribute to the
Kennedy classification?
a. Path of insertion
b. Possible TE in anterior teeth
c. Possible TE in posterior teeth
d. Tooth for RPD

A

a. Path of insertion
(other years say something about tori but im still too lazy to go find that right now)

43
Q

What is the name for a tooth that supports the prosthesis called?

A

a. Abutment

44
Q

What is the LEAST rigid major connector?

A

a. Horseshoe

45
Q

Which of the following major connectors is not used in the maxillary arch?

A

a. Lingual bar

46
Q

i need to add more questions from other drives still

A

RPD (13 decks)

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