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Frequently Asked Questions Working with Zirconia is wonderful but sometimes one may run into issues or problems that are easy to fix. We have a collection of some of our most commonly asked questions and answers along with some trouble shooting that can help.
Why Distortion?
Effects of Sintering Shrinkage on the Marginal and Internal Fit of CAD/CAM-fabricated Zirconia Frameworks
ORIGIN Dental CAD/CAM
ORIGIN Dental CAD/CAM
ORIGIN Dental CAD/CAM

9 Unit Bridge (#6 - 14)

Messial & Lingual Margin Open on #13

ORIGIN Dental CAD/CAM
Problem Even thickness of continuous copings (#12 & 11) produced good fitting. Five unit bridge (#6 & 10) with small pontic (P3) produced good fitting too. But entire bridge with large pontic area (P1 & P2) failed to seat positive with mesial sides (A & B) open and distal sides (C & D) tight. Reason Marginal gaps on the pontic side were significantly larger than those on the non-pontic side. When the distance between abutments become larger the discrepancy between the pontic and non-pontic sides also become larger.
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