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Master Cast and Die Preparation Question and answers already passed 2024/2025 $13.49   Add to cart

Exam (elaborations)

Master Cast and Die Preparation Question and answers already passed 2024/2025

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  • Course
  • DENTURES,DX AND TX PLANNING
  • Institution
  • DENTURES,DX AND TX PLANNING

Master Cast and Die Preparation Question and answers already passed 2024/2025 Master Cast and Die Preparation (RD3 Quiz 2) Fixed Prosthodontics Procedures 1. patient interview + diagnosis and treatment plan + tooth preparation + provisional + impression + interocclusal (bite reg...

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  • September 17, 2024
  • 18
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • DENTURES,DX AND TX PLANNING
  • DENTURES,DX AND TX PLANNING
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Master Cast and Die Preparation (RD3
Quiz 2)
Fixed Prosthodontics Procedures
1. patient interview


+ diagnosis and treatment plan


+ tooth preparation


+ provisional


+ impression


+ interocclusal (bite registration)


2. master cast and die construction


+ crown fabrication


3. try-in


+ cementation


+ maintenance

,Definitive (working/master) Casts
- the replica of the prepared teeth, ridge areas and other parts of the dental
arch


- die: the positive reproduction of the form of a prepared tooth in any suitable
substance




Must Haves of Dies and Working Casts
- Must be bubble free, especially along finish lines


- Must be free from distortion


- Working dies must be removable, but must return to
their exact position without rotation


- Working dies must be trimmed to allow access for
waxing instruments


- Working casts should be removable from its base




Interocclusal (Bite) Registration
- The most accurate method to to occlude opposing

, casts is by hand, without any intervening bite
registration material.


- An interocclusal record is needed if there are
insufficient stability of the casts for hand articulation.


- When too many teeth are missing, a record base is
often required.




Materials Used for Interocclusal Records
- limited resistance before setting to avoid displacing the teeth or mandible
during closure


- minimal dimensional change


- it should be easy to manipulate


- no adverse effects on the tissue involved in the recording procedures


- it should accurately record the incisal and occlusal surfaces of teeth


- it should be verifiable


- over clinically reasonable time periods, they must have solidity to retain the
shape and strength when dental casts are articulated

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