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Journal of Dental Research, Vol 60, 1858-1860, Copyright © 1981 by International & American Associations for Dental Research Online Journals
ARTICLES |
J. T. Morrison, M. G. Duncanson Jr and H. T. Shillingburg Jr
Gypsum-bonded and phosphate-bonded investments were applied to wax surfaces which were untreated, treated by buffing with cotton moistened with a die lubricant containing organic solvent, or treatment with a wax pattern cleaner. Contact angles between the investment material and wax surfaces were measured and compared. The treatment of a wax pattern with a surface tension reducing agent significantly increases the degree of wetting by both gypsum- and phosphate-bonded investments.
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