A New Series of X-Ray-Opaque Reinforcing Fillers for Composite Materials
- 1 January 1972
- journal article
- research article
- Published by SAGE Publications in Journal of Dental Research
- Vol. 51 (1) , 177-182
- https://doi.org/10.1177/00220345720510011301
Abstract
Clear, colorless glasses that absorb roentgen rays were prepared by melting together compounds yielding silica, barium oxide, boric oxide, and alumina. Barium oxide made the glasses radiopaque and gave the desired refractive index. Boric oxide lowered the melt viscosity, and alumina tended to stabilize the glasses. Some of these glasses seem to be suitable for use as the reinforcing fillers for composite dental restorative materials.Keywords
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