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Volume 5 , Issue 4
July/August 1992

Pages 377-383


Comparative Accuracy of Fixed Partial Dentures Made as One-Piece Castings or Joined by Solder

Sarfati/Harter


PMID: 1355654

Four-unit fixed partial dentures were fabricated as a one-piece casting or as two-piece castings joined by soldering prior to the addition of porcelain. The accuracy of the two techniques was compared and evaluated using an anatomic cast-metal master model. All procedures, including SEM measurements, were performed directly on the master model. The cast one-piece units had smaller vertical marginal openings than did the soldered units. The rigid nature of the abutments evokes the problems occurring with osseointegrated implants.


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