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Radiopaque dental material with surface treated nanoparticles

2025-07-29 03:224110下载
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The barium, strontium or rare earth metal salt fillers in dental materials are in the form of organic compound surface-modified nanoparticles of average size below 25 nm, the organic surface modifier being such that there are N-, P-, S- and/or O-containing functional groups bonded to the nanoparticles.


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