DCP- FPD- Dental Cast and Die Materials

Questions and Answers

To replicate the prepared teeth, ridge areas, and other parts of the dental arch

The accuracy of the impression or optical capture

To record the occlusal relationship between the maxillary and mandibular teeth

To replicate the prepared teeth, ridge areas, and other parts of the dental arch Signup and view all the answers

Exact reproduction of surfaces Signup and view all the answers

Type IV and V Signup and view all the answers

Greater abrasion resistance Signup and view all the answers

For interim restorations Signup and view all the answers

Vacuum mixing, trimming, and creating interocclusal records Signup and view all the answers

Canine guidance and group function Signup and view all the answers

Bite registration Signup and view all the answers

Hard baseplate wax and acrylic resin Signup and view all the answers

Virtual definitive cast-and-die system Signup and view all the answers

Accurate duplication Signup and view all the answers

Minor shrinkage Signup and view all the answers

Flexible die materials Signup and view all the answers

Study Notes

Dental Cast and Die Materials and Techniques

Requirements for dental casts include exact reproduction of surfaces, precise articulation, accurate duplication without bubbles or voids, and discernible unprepared tooth structure.
Gypsum is an inexpensive die material available in five forms, with types IV and V producing acceptable surface details for fixed prosthodontics.
Resin die materials offer greater abrasion resistance than gypsum, but are more expensive and may experience minor shrinkage during polymerization.
Flexible die materials are similar to heavy bodied silicone or polyether impression materials and are used for interim restorations, indirect composite resin inlays, and onlays.
Laboratory steps for making dies involve vacuum mixing, trimming, and creating interocclusal records for maximum intercuspation and centric relation.
Canine guidance and group function are important in occlusal adjustment, with conformative occlusion and reorganized occlusion being key concepts in restoration.
Elastomeric materials, such as polyvinyl siloxane (PVS), are used for bite registration, with hard baseplate wax and acrylic resin being essential for stability in big cases.
After mounting the maxillary and mandibular casts, a virtual definitive cast-and-die system can be used for digital design, scanning, and milling, allowing for same-day implant restorations.