Date of Award

Spring 2004

Document Type

Thesis - Restricted

Degree Name

Master of Science (MS)



First Advisor

Bradley, T. G.

Second Advisor

Iacopino, Anthony

Third Advisor

Kittleson, Russell


The purpose of this study was to evaluate the accuracy of several toothrelated measurements occurring in digital models associated with OrthoCAD™ and eModel™, when compared with a traditional plaster model control. This study was also done to examine the accuracy of dental models that are poured immediately when compared with plaster models that are created from impressions that are poured fortyeight hours after they were made. The goal was to see if a clinically significant difference existed in the accuracy of measurements between digital models created by OrthoCAD™ or by emodel™, when compared to conventional plaster models. Additionally, the investigation sought to discover whether there was a clinically significant difference between the dental models generated from impressions that were poured immediately and those that were poured forty-eight hours after making the impression...



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