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J Dent Res 50(6): 1631-1634, 1971
© 1971 International and American Associations for Dental Research
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Studies on the Porosity and Surface Texture of Polymer Implant Materials

MILTON HODOSH 1, GERALD SHKLAR 1, and MORRIS POVAR 1

1 Department of Oral Pathology, Tufts University School of Dental Medicine, Boston, Massachusetts 02111, USA and Division of Health Sciences, Brown University, Providence, Rhode Island

The topography of the surface of a variety of polymer mixtures was studied. Large porosities were found in various mixtures of methacrylate polymer powder, anorganic bone, and a foaming agent, N, N'-dinitrosopentamethylenetetramine. The porosities appeared to be linked by smaller spaces and channels that ran through the polymer material. The porosity of the polymer was altered significantly by materials such as anorganic bone or foaming agents, but the composition by percentage did not alter the material structure appreciably.

Submitted on August 23, 1970






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