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
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Academia199. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.
