removable midterm

Question 1

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

Answer 1

3-4

Question 2

What best describes the external finish line?

Answer 2

framework to denture base

Question 3

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

Answer 3

mesial and down

Question 4

All of the following can be used with a tissue undercut, EXCEPT:

Answer 4

1/2 t bar

Question 5

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

Answer 5

palatal strap

Question 6

width of anterior-posterior palate

Answer 6

6-8 mm

Question 7

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

Answer 7

1-1.5mm

Question 8

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

Answer 8

both are true

Question 9

Fabrication of the RPD framework is done on

Answer 9

master cast

Question 10

Lateral forces →

Answer 10

cross-arch stabilization

Question 11

These transfer the force down the long axis

Answer 11

rest-> this is the actual metal

[rest seat- > this is the prep on the tooth)

Question 12

What is the proper order of reduction?

Answer 12

guide planes-> survey line -> rest seat

Question 13

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

Answer 13

both are true

Question 14

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

Answer 14

want cast to be perpendicular to the occlusal plane

Question 15

this kennedy classification has NO modifications

Answer 15

class IV

Question 16

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

Answer 16

middle

gingival

Question 17

All of the following apply to guiding planes EXCEPT:

Answer 17

never use mesially tilted mandibular molars for the rest seats

Question 18

What best describes the “Pod”?

Answer 18

0.01 undercut on the I-bar

Question 19

When doing an Alternative cast, what should you do?

Answer 19

remove distal extension

Question 20

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

Answer 20

false
class I and class II are

Question 21

what color do you draw the undercut

Answer 21

red

tissue undercut is black

Question 22

where can you NOT put an I bar

Answer 22

DF undercut

Question 23

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

Answer 23

both are true

Question 24

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

Answer 24

class III, mod II

Question 25

what kennedy class is a bilateral distal extension

Answer 25

class I

Question 26

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

Answer 26

both false

3 mm from margin for lingual bar
measured in mouth

Question 27

The axis of rotations are measured from

Answer 27

position of the primary rest

Question 28

. (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.

Answer 28

false

Question 29

Which of the following is NOT true regarding the principle of encirclement?

Answer 29

RPI does not satisfy it

Question 30

The “short” guiding planes have what measurement?

Answer 30

1.5mm

Question 31

On which of the following teeth do we most often see a composite cingulum?
13
18
21
22

Answer 31

22 since mand canine

Question 32

32. What clasp is the best choice for stress-relief?

Answer 32

RPI

Question 33

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

Answer 33

d. Encirclement of 90 degrees -> has to be 180 degrees

Question 34

Which of the following is inappropriate terminology?

Answer 34

flipper

Question 35

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

Answer 35

posterior
always

Question 36

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

Answer 36

first is true
second is false

Question 37

RPI is what type of lever?

Answer 37

class II

Question 38

38. When is the lingual plate NOT indicated?

Answer 38

anterior crowding

Question 39

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

Answer 39

both true

Question 40

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…

Answer 40

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

Question 41

what is the undercut for a cast chromium clasp

Answer 41

0.01 inches (look at units)

Question 42

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

Answer 42

path of insertion

Question 43

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

Answer 43

abutment

Question 44

what is the least rigid major connector

Answer 44

horseshoe

Question 45

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

Answer 45

lingual bar