Dental restorative material

Details Dental restorative material Dental restorative material

1984-12-03

1985-10-01

Hayes, Lorenzo B.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

26099811, 4332011, 4332021, 4332281, 523115, 523116, 523117, 4331991, A61K 608

Patent

active

045443599

ABSTRACT:
In a dental restorative material comprising 20-30% by weight of a visible light polymerizable methacrylic ester monomeric system, from about 65-79% by weight of an inorganic filler and from about 1-5% by weight of collidal fumed silica; said inorganic filler having an average particle size diameter ranging from about 0.5 to 5 microns and said collidal fumed silica having an average particle size ranging from about 0.01 to about 0.05 micron, the improvement comprising subjecting the filler to a series of milling steps comprising (1) wet milling in aqueous medium having a pH of 5-7; (2) surface etch milling in an aqueous etchant medium and (3) a silanizing milling in a silane solution.

REFERENCES:
patent: 3066112 (1962-11-01), Bowen
patent: 3808170 (1974-04-01), Rogers
patent: 4020557 (1977-05-01), Rockett et al.
patent: 4032504 (1977-06-01), Lee et al.
patent: 4150012 (1979-04-01), Joos
patent: 4224023 (1980-09-01), Cheung
patent: 4271057 (1981-06-01), Drake et al.
patent: 4281991 (1981-08-01), Michl
patent: 4297266 (1981-10-01), Ibsen et al.
patent: 4376835 (1983-03-01), Schmitt et al.
patent: 4388069 (1983-06-01), Orlowski

Affiliated with

Also associated with

Rating

Dental restorative material does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Dental restorative material, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dental restorative material will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1439911