Method for preparing microporous glassy filler grains for dental

Details Method for preparing microporous glassy filler grains for dental Method for preparing microporous glassy filler grains for dental

1980-06-06

1981-12-22

McCarthy, Helen M.

Compositions: coating or plastic

Materials or ingredients

106 35, 106307, 501 12, 501 18, 501 21, 501 23, 501 39, 501 66, 501 67, 501900, C08K 336

Patent

active

043069134

ABSTRACT:
A microporous filler for dental composite resin restorations has been developed which gives greatly improved finishability, system non-toxicity and x-ray opacification. These fillers are prepared from frits obtained by the low temperature calcination of gelled inorganic "polymers" followed by a pulsed high-heat treatment.

REFERENCES:
patent: 3717486 (1973-02-01), Fukumoto et al.
patent: 3867156 (1975-02-01), Fukumoto et al.
patent: 3971754 (1976-07-01), Jurecic
patent: 4059658 (1977-11-01), Shoup et al.
patent: 4089932 (1978-05-01), Morita et al.
patent: 4090887 (1978-05-01), Marquisee et al.
patent: 4217264 (1980-08-01), Mabie et al.
Mukherjee, S. P. et al., A Comparative Study of "Gels" and Oxides Mixtures as Starting Materials for the Nucleation and Crystallization of Silicate Glasses, J. of Mat. Sci. 11 (1976), pp. 341-355.

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