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RPD > Tripoding & Surveying > Flashcards

Tripoding & Surveying Flashcards

1
Q

What is surveying?

A

Surveying in prosthodontics involves analyzing a dental cast to determine the most favorable path of insertion and removal for an RPD.

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2
Q

What is surveying for?

A

It identifies undercuts on teeth that can be used for retention and areas that need modification for optimal prosthesis fit.

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3
Q

What is a dental surveyor?

A

A. It is used to mark the height of contour on abutment teeth and to identify areas needing adjustment.
B. It helps in planning the placement of clasps and other components.

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4
Q

What are the purposes of surveying?

A

A. Path of insertion
B. Undercut identification
C. Guide plane analysis

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5
Q

An essential step in the surveying process for RPD.

A

Correctly tilting the cast in a dental surveyor

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6
Q

What is tilting the cast in a dental surveyor?

A

It involves adjusting the position of the cast to find the most advantageous path of insertion and optimize undercuts for retention.

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7
Q

What are the purposes of tilting?

A

A. Ensures the denture can be inserted and removed smoothly
B. Increases desirable undercuts while reducing undesirable ones
C. Helps conceal metal components by adjusting survey lines closer to the gingival margin
D. Achieves uniform retention across available teeth and tissues

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8
Q

What are the steps for tilting?

A
  1. Initial positioning
  2. Initial setup
  3. Analyze proximal surfaces
  4. Adjust tilt
  5. Evaluating interferences
  6. Visual confirmation
  7. Mark survey lines
  8. Marking survey lines
  9. Preserve tilt through tripoding
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9
Q

What are the surveying tools?

A
  1. Analyzing rod
  2. Carbon marker
  3. Undercut gauge
  4. Wax trimmer
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10
Q

What is the surveying process?

A
  1. Orientation of cast
  2. Cast tilting
  3. Visual analysis
  4. Marking survey lines
  5. Measuring undercuts
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11
Q

What are the types of blockout in surveying?

A
  1. Parallel blockout
  2. Shaped/ ledge blockout
  3. Arbitrary blockout
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12
Q
A
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13
Q

What is shaped/ ledge blockout?

A

Creates ledges for clasp arms

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14
Q

What is arbitrary blockout?

A

Covers non-essential areas to prevent interference

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15
Q

What are surveying applications in RPD design?

A

A. Clasp design
B. Framework design
C. Mouth preparations

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16
Q

What is clasp design?

A

Surveying informs the design and placement of clasps by identifying suitable undercut areas for retention

17
Q

What is framework design?

A

Ensures that all components of the RPD framework are properly aligned with the oral structures

18
Q

What is mouth preparations?

A

Guides necessary tooth modifications to create optimal guide planes and ensure proper fit

19
Q

Benefits of surveying applications in RPD design

A
  1. Provides a clear reference for component placement
  2. Provides clear guidelines for framework construction
  3. Allows for personalized prosthesis design tailored to individual anatomical variations
20
Q

What is tripoding?

A

A technique used during surveying to ensure that the cast can be repositioned in the same orientation on the surveyor after removal

21
Q

What is the process of tripoding?

A
  1. Selection of points
  2. Marking
  3. Verification
22
Q

What is selection of points?

A

Choose three non-collinear points on the cast, typically on stable areas that are not subject to change or wear

23
Q

What is marking?

A

Using a surveyor to mark these points with a pencil or scoring tool

24
Q

What is marking for?

A

Serves as reference points for future adjustments or evaluations

25
Q

What is verification?

A

Reposition the cast on the surveyor using these points to ensure it returns to the same orientation each time

26
Q

What are the tripoding applications in RPD design?

A
  1. Guide plane analysis
  2. Undercut identification
  3. Framework design
27
Q
A

RPD (1 decks)

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