Clustered particle dental fillers
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United States of America Patent
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May 4, 2004
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N/A
app pub date -
Oct 28, 1999
filing date -
Oct 28, 1999
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Abstract
A filler comprising a substantially amorphous cluster comprising non-heavy metal oxide particles and heavy metal oxide. The filler can be mixed into a hardenable resin to provide radiopaque dental materials having desirable strength and aesthetic character.
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