Date of Award

Spring 1963

Degree Type

Thesis - Restricted

Degree Name

Master of Science (MS)

Department

Dentistry

First Advisor

Ryge, Gunnar

Abstract

Loosening of orthodontic bands and possible hypocalcification of enamel due to this condition can be a serious problem in dentistry. Since zinc phosphate cement is almost universally employed as the cementing medium, the object of this study was to determine the mean powder/liquid ratio utilized by clinicians to mix zinc phosphate cement to a band cementing consistency. A standard deviation for this value was calculated and the range of clinically determined powder/liquid ratios was used to determine setting time, compressive strength, solubility and disintegration of standardized mixes.

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