Calcium phosphate type crystallizable glass

Details Calcium phosphate type crystallizable glass Calcium phosphate type crystallizable glass

1985-09-12

1986-10-14

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Devitrified glass-ceramics

501 48, 106 35, C03C 1002, C03C 317

Patent

active

046172793

ABSTRACT:
Calcium phosphate type crystallizable glass for dental materials, which is composed essentially of from 41 to 49.5 mol % of CaO, from 50 to 58.5 mol % of P.sub.2 O.sub.5 and from 0.5 to 5 mol % of Al.sub.2 O.sub.3, and which has an atomic ratio of calcium to phosphorus (Ca/P) within a range of from 0.35 to 0.49.

REFERENCES:
patent: 1570202 (1926-01-01), Buck
patent: 3300670 (1967-01-01), Veres
patent: 3981736 (1976-09-01), Bruemer et al.
patent: 4026714 (1977-05-01), Lewis
patent: 4366253 (1982-12-01), Yagi
Wihsmann et al.; "Bioaktive Implantate auf der Basis von Vitrokerammaterialien", Wiss. Ztschr. Friedrich-Schiller Univ. Jena, Math.-Naturwiss. R., 32, Jg (1983), H. 2/3, pp. 553-569.
Kihara, Seije et al.; "Calcium Phosphate Glass-Ceramic Crown Prepared by Lost-Wax Technique", Communications of the American Ceramic Society, pp. C100-101, Jun. 1984.

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