摘要:
The present invention relates to novel injectable aqueous suspensions of bio-active glass and dextrans for the repair of soft tissue or hard bone of mammals, especially in humans.
摘要:
A powder composition for the preparation of an opaque dental porcelain, containing as its components one or more feldspar frits consisting of a number of feldspar frits of different chemical compositions and different physical properties; CeO.sub.2 as the opacifier, optionally additional opacifiers; and optionally pigments.
摘要:
IMPACT RESISTANT, TOUGH, LONG-WEARING MIXED SYNTHETIC RESIN COMPOSITIONS CONSISTING ESSENTIALLY OF NON-VOLATILE ACRYLATE AND METHACRYLATE ESTERS, SUCH AS TRIMETHYLOL PROPANE TRIACRYLATE OR TRIMETHACRYLATE, PENTAERITHRYTOL TRIACRYLATE OR TRIMETHACRYLATE, PENTAERITHRYTOL TETRAMETHACRYLATE AND MIXTURES THEREOF, POLYMERIZED IN THE PRESENCE OF FINELY DIVIDED FLEXIBLE RESINS, SUCH AS BUTADIENE SYNTHETIC RUBBERS, CELLULOSE ESTERS AND ETHERS, VINYL ACETATEETHYLENE COPOLYMER AND MIXTURES THEREOF, AND FURTHER THICKENED WITH POLYMERIZED METHYLMETHACRYLATE BEADS, THE COMPOSITION ADAPTED FOR USE AS A LIQUID CASTING RESIN HAVING LONG SHELF LIFE.