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REMOVABLE > removable midterm > Flashcards

removable midterm Flashcards

1
Q

What is the proximal guide plane length of a Class III RPD?

A

3-4

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2
Q

What best describes the external finish line?

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

1/2 t bar

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5
Q

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

A

palatal strap

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6
Q

width of anterior-posterior palate

A

6-8 mm

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7
Q

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

A

1-1.5mm

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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 are true

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9
Q

Fabrication of the RPD framework is done on

A

master cast

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10
Q

Lateral forces →

A

cross-arch stabilization

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11
Q

These transfer the force down the long axis

A

rest-> this is the actual metal

[rest seat- > this is the 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 are true

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14
Q

Why don’t you want an excessive tilt to the cast?

A

want 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

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 extension

20
Q

T/F
class I and class III are used for the alternative cast RPD method

A

false
class I and class II are

21
Q

what color do you draw the undercut

A

red

tissue undercut is black

22
Q

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 increase

A

both are true

24
Q

you have every tooth in the mouth but 19, 23, 24, 25, 26, 29. what kennedy classification

A

class III, mod II

25
Q

what kennedy class 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

3 mm from margin for lingual bar
measured in mouth

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

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?
13
18
21
22

A

22 since mand canine

32
Q
  1. 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 degrees

34
Q

Which of the following is inappropriate terminology?

A

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
  1. 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 true

40
Q

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

d. Etc… (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 inches (look at 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

path of insertion

43
Q

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

A

abutment

44
Q

what is the least rigid major connector

A

horseshoe

45
Q

which of the following major connectors is not used in the maxillary arch

A

lingual bar

REMOVABLE (10 decks)

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