Date of Award

Spring 2001

Document Type

Thesis - Restricted

Degree Name

Master of Science (MS)



First Advisor

Bradley, Thomas

Second Advisor

Stier, Erwin

Third Advisor

Villalobos, Francisco


In this study the accuracy of vertical condylar measurements is assessed on the OP100 using human skulls. Three different head positions are used: normal (according to manufacturers instructions), tilted 10°, and rotated 10°. These positions were selected based on previous research. Condylar ratios are measured from the skulls and compared to the commensurate measurements on the radiographs according to the method of Kjellberg. The asymmetry between left and right condyles is determined by the following formula: [(Ratio R-Ratio L)/(Ratio R + Ratio L)] X 100.



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