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RPD ish > 14: Support_for_distalext. > Flashcards

14: Support_for_distalext. Flashcards

1
Q

does not have the advantage of total tooth support

A

DISTAL EXTENSION RPD

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2
Q

DISTAL EXTENSION RPD:

does not have the advantage of __ __ __

A

total tooth support

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3
Q

DISTAL EXTENSION RPD:

dependent on residual ridge for __ __ and ___

A

support, stability, and retention

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4
Q

DISTAL EXTENSION RPD:

___ ___ is needed to avoid lifting away from ridge

direct retention
indirect retention
direct resistance
indirect resistance

A

indirect retention

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5
Q

DISTAL EXTENSION RPD:

patients must be made aware of the ___

outcomes
limitations
consequences

A

limitations

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6
Q

FACTORS INFLUENCING SUPPORT OF DISTAL EXTENSION BASE:

extent of residual ridge ___ by the denture base

coverage
load
framework

A

coverage

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7
Q

FACTORS INFLUENCING SUPPORT OF DISTAL EXTENSION BASE:

type and accuracy of the __ __

residual ridge
denture base
impression registration

A

impression registration

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8
Q

FACTORS INFLUENCING SUPPORT OF DISTAL EXTENSION BASE:

accuracy of the ___ of the denture base

fit
load
coverage

A

fit

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9
Q

FACTORS INFLUENCING SUPPORT OF DISTAL EXTENSION BASE:

___ of the removable partial denture framework

quality
design
impression

A

design

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10
Q

FACTORS INFLUENCING SUPPORT OF DISTAL EXTENSION BASE:

total __ __ applied

impression registration
ridge coverage
occlusal load

A

occlusal load

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11
Q

CONTOUR AND QUALITY OF THE RESIDUAL RIDGE:

Connective Tissue

Contour
Quality

A

Quality

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12
Q

CONTOUR AND QUALITY OF THE RESIDUAL RIDGE:

Firm

Contour
Quality

A

Quality

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13
Q

CONTOUR AND QUALITY OF THE RESIDUAL RIDGE:

Dense

Contour
Quality

A

Quality

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14
Q

CONTOUR AND QUALITY OF THE RESIDUAL RIDGE:

Fibrous

Contour
Quality

A

Quality

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15
Q

CLASSIFICATION BY ATWOOD’S

Pre-extraction

Order 1,2,3,4,5,6

A

1

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16
Q

CLASSIFICATION BY ATWOOD’S

Post-extraction

Order 1,2,3,4,5,6

A

2

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17
Q

CLASSIFICATION BY ATWOOD

High, well-rounded

Order 1,2,3,4,5,6

A

3

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18
Q

CLASSIFICATION BY ATWOOD’S

Knife-edge

Order 1,2,3,4,5,6

A

4

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19
Q

CLASSIFICATION BY ATWOOD’S

Low, well-rounded

Order 1,2,3,4,5,6

A

5

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20
Q

CLASSIFICATION BY ATWOOD’S

Depressed

Order 1,2,3,4,5,6

A

6

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21
Q

crest of bony mandibular ridge is ___

A

cancellous

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22
Q

loss of ______ over residual ridge after tooth extraction

A

firm mucosa

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23
Q

__________ is better suited for primary stress-bearing role

buccal shelf region
labial shelf region
residual ridge
lingual region

A

buccal shelf region

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24
Q

The tissues covering the ___ of the maxillary residual ridge must be less displaceable than the tissues that cover palatal areas, or relief of ___ ___must be provided in the denture bases or for palatal major connectors.

A

crest , palatal tissues

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25
Q

The gum on the upper ridge should be ___ than the roof of the mouth. This way, the dentures stay ___.

A

firmer , stable

26
Q

EXTENT OF RESIDUAL RIDGE COVERAGE BY THE DENTURE:

the broader the residual ridge coverage, the greater is the distribution of the __, which results in __ __ per unit area

A

load, less load

27
Q

TYPE AND ACCURACY OF THE IMPRESSION REGISTRATION:

not supporting occlusal load

Anatomic Form
Functional Form

A

Anatomic Form

28
Q

TYPE AND ACCURACY OF THE IMPRESSION REGISTRATION:

supporting load

Anatomic Form
Functional Form

A

Functional Form

29
Q

ANATOMIC FORM: 4 impression materials

A

→ metallic oxide impression paste
→ mercaptan rubber
→ silicone
→ hydrocolloid

30
Q

ANATOMIC FORM: Distortion & Tissue Displacement

→ ____ of impression material
→ ____ of impression material

A

confinement, viscosity

31
Q

ANATOMIC FORM: Purpose

most physiologic form for__ __

A

denture support

32
Q

When some pressure is applied-like from biting, pushing with a finger, or using a custom tray–the ridge shape under that load is called the

A

Functional form

33
Q

Steffel’s categories of managing distal extension RPDs:

A

o stress-breakers or resilient equalizers
o physiologic basing
o stress distribution

34
Q

requirements of distributed stress denture:

o ___-occlusal rests
o __ and __ framework

A

positive, rigid and nonflexible

35
Q

requirements of distributed stress denture:

o __ retainers
o ____ and ___ coverage bases

A

indirect
well-adapted and broad

36
Q

ACCURACY OF THE FIT OF THE DENTURE BASE:

distal extension is enhanced by close contact of ______ and _____

A

tissue surface and residual ridge tissue

37
Q

ACCURACY OF THE FIT OF THE DENTURE BASE :

denture base must be related to the RPD framework as _________ to the abutment teeth when impression was made

A

basal seat tissues

38
Q

DESIGN OF THE REMOVABLE PARTIAL DENTURE FRAMEWORK:

the greatest movement takes place at the most _____ of the denture bas

A

posterior extent

39
Q

___ and ___ have suggested that moving rotational axis from a disto-occlusal rest to a more anterior location, more of the residual ridge receives vertically directed occlusal forces to support the denture base.

Steffel and Kratochvil
Steifiel and Katrochil
Stephen and Katrochil

A

Steffel and Kratochvil

40
Q

Steffel and Kratochvil have suggested that moving rotational axis from a disto-occlusal rest to a more ___ location, more of the residual ridge receives ___ directed occlusal forces to support the denture base.

A

anterior, vertically

41
Q

TOTAL OCCLUSAL LOAD APPLIED:

patients with distal extension removable partial dentures generally orient the food bolus over _____

natural teeth rather than prosthetic teeth
posterior teeth rather than natural teeth

A

natural teeth rather than prosthetic teeth

42
Q

TOTAL OCCLUSAL LOAD APPLIED:

when the opposing natural teeth are super-erupted, control of eccentric functional contacts and the resultant ____ loads makes chronic discomfort a clinical challenge

A

horizontal

43
Q

TOTAL OCCLUSAL LOAD APPLIED :

the reduction of the size of the occlusal table ___ the vertical and horizontal forces that act on the removable partial dentures and lessens the ___ on the abutment teeth and supporting tissues

A

reduces, stress

44
Q

9 ANATOMIC FORM IMPRESSION

A

(1) Anatomic Form Impression
(2) Rest and Base Fit
(3) Load Distribution
(4) Tissue Load Bearing
(5) Load Distribution Importance
(6) One-Stage Impression Risks
(7) Individualized Impression Tray
(8) Reline Considerations
(9) Distribution of Masticatory Load

45
Q

the objective of any functional impression technique is to provide maximum ___ for the RPD base

retention
rigidity
stability
support

A

support

46
Q

FUNCTIONAL IMPRESSION:

to make a good denture, it’s important to know how ___ and ___ for taking impressions work.

medical conditions and skills
material quality and experience
different materials and methods

A

different materials and methods

47
Q

FUNCTIONAL IMPRESSION:

no one type of material can perfectly capture both the shape of the teeth and gums at rest and how they actually work when you bite

T or F

A

T

48
Q

FUNCTIONAL IMPRESSION:

we need to use a _____to take a corrected impression that shows both how things look and how they function

strategy
second method
backup

A

second method

49
Q

METHODS FOR OBTAINING FUNCTIONAL SUPPORT FOR THE DISTAL EXTENSION BASE:

distributes the ___ over a large area as possible

stress
load

A

load

50
Q

SELECTIVE TISSUE PLACEMENT IMPRESSION METHOD:

it starts with the understanding that the soft tissues in the mouth can be gently moved or recorded in their _______, and how much they can be displaced without causing harm depends on their reaction to pressure

A

natural resting state

51
Q

SELECTIVE TISSUE PLACEMENT IMPRESSION METHOD :

the tissues in the back of the mouth, near the _____, can be slightly pushed down to create a good seal for the upper denture without causing harm

A

vibrating line

52
Q

FRAMEWORK FITTING:

the framework fitted to the teeth while ______ is registered provides a means of coordinating both

A

soft tissue support

53
Q

FRAMEWORK FITTING :

this means that before the trays are ___, the framework must be ___ in the mouth

A

attached , fitted

54
Q

FRAMEWORK FITTING STEPS:

(1) Use of ______ to identify ____ to completely seating the removable partial denture framework.

A

disclosing media, interferences

55
Q

FRAMEWORK FITTING STEPS:

(2) Use of disclosing media to identify the ____ of the component parts of the framework during ___ of the framework and when the framework is completely seated in its designated terminal position.

A

appropriate contact(s), seating

56
Q

FRAMEWORK FITTING STEPS::

(3) ___ the seated framework to the ___ occlusion.

A

Adjusting, opposing

57
Q

FUNCTIONAL IMPRESSION TECHNIQUE:

used when the mucosa of the residual ridge feels ____

A

uniformly firm

58
Q

captures the shape and position of the tissue while the patient bites down, simulating the effects of chewing forces

FRAMEWORK FITTING
FUNCTIONAL IMPRESSION TECHNIQUE

A

FUNCTIONAL IMPRESSION TECHNIQUE

59
Q

when this technique is applied to firm mucosa that doesn’t easily displace, it results in minimal movement of the prosthesis

FAMEWORK FITTING
FUNCTIONAL IMPRESSION TECHNIQUE

A

FUNCTIONAL IMPRESSION TECHNIQUE

60
Q

CONTOUR AND QUALITY OF THE RESIDUAL RIDGE :

Broad

Contour
Quality

A

Contour

61
Q

CONTOUR AND QUALITY OF THE RESIDUAL RIDGE:

Rounded

Contour
Quality

A

Contour

62
Q

CONTOUR AND QUALITY OF THE RESIDUAL RIDGE:

high vertical slopes

Contour
Quality

A

Contour

RPD ish (2 decks)

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