Dental glass ionomer cement composition

A dental glass ionomer cement composition consisting essentially of:

• (a) 5 to 100 parts by weight of an .alpha.-.beta. unsaturated carboxylic acid polymer having weight-average molecular weight lying in the range of 5,000 to 40,000,
• (b) 5 to 100 parts by weight of a polymerizable unsaturated organic compound having at least one group having the following formula:
• CH.sub.2 --C(R1)--COO where R1 is H or CH.sub.3
• (c) 5 to 50 part as by weight of water
• (d) 0.01 to 5 parts by weight of an organic aromatic compound having at least one --SO.sub.2 group selected from the group consisting of aromatic sulfinic acids and metal salts thereof and aromatic sulfonyl compounds,
• (e) 5 to 100 parts by weight of a fluoroaluminosilicate glass powder which has a mean particle size lying in the range of 0.02 to 10 .mu.m and a specific gravity lying in the range of 2.4 to 4.0 and is capable of reacting with said .alpha.-.beta. unsaturated carboxylic acid polymer (a) having a weight-average molecular weight lying in the range of 5,000 to 40,000, and
• (f) 0.01 to 100 parts by weight of a compound selected from the group consisting of aluminum chloride, aluminum oxide, aluminum acetate, aluminum salicylate, aluminum acrylate, aluminum oxalate, aluminum hydroxide, aluminum nitrate, aluminum carbonate, aluminum lactate, aluminum fluoride, aluminum sulfate, aluminum itaconate, aluminum phosphate, aluminum polychloride, aluminum iodide, aluminum acetylacetonate, aluminum bromide, aluminum butoxide, aluminum butyrate, aluminum ethoxide, aluminum cyclohexanelactate, aluminum ethylhexoate, aluminum isopropoxide, aluminum laurate, aluminum oleate, potassium aluminum sulfate, aluminum stearate, aluminum triethoxide, aluminum triethylate, aluminum triisopropoxide, aluminum triisopropylate, barium aluminate, lithium aluminum hydride, sodium aluminate, iron oxide, iron chloride, iron sulfate, iron nitrate, iron hydroxide, iron ammonium sulfate, iron citrate, iron succinate, iron bromide, iron phosphate, iron dichloride, ethylenediamine iron, iron oxalate, iron lactate, iron ethylenediaminetetraacetate, iron 2-ethylhexoate, potassium ferrocyanide, potassium ferricyanide, acetylacetonatosodium ferrocyanide, iron alum, sodium iron citrate, sodium iron oxalate, iron ammonium sulfate, benzoylacetonatoiron, dicyclopentadienyliron, N,N-dimethyl-1-ferrocenylethylamine, iron decanoate, iron naphthenate, iron pentacarbonyl, iron nonacarbonyl, iron perchlorate, phthalocyanine iron, sodium pentacyanonitrosylferrate, sodium pentacyanoammineferrate, dicyano-bis(1,10-phenanthroline) iron, tris(1-phenyl-1,3-butanedionate)iron, tin oxide, tin chloride, tin acetate, tin phosphate, tin diphosphate, tin pyrophosphate, tin fluoride, tin iodide, tin oxalate, tin sulfate, tin bromide, tin tetrachloride, tin borofluoride, 2-ethylhexanoic acid tin salt, triphenyltin hydroxide, bis(tributyltin)oxide, di-n-butyltin diacetate, dibutyltin dichloride, di-n-butyltin dilaurate, dibutyltin oxide, hexabutyltin, bis(2-ethylhexanoic acid) dibutyltin, potassium stannate, sodium stannate, tetrabutyltin, tetraethyltin, tetramethyltin, tetraoctyltin, tetraphenyltin, tributyltin acetate, trimethyltin chloride, triethyltin chloride, tripropyltin chloride, and tributyltin chloride.

A dental glass ionomer cement composition consisting essentially of:

• (a) 5 to 100 parts by weight of an .alpha.-.beta. unsaturated carboxylic acid polymer having a weight-average molecular weight lying in the range of 5,000 to 40,000,
• (b) 5 to 100 parts by weight of a polymerizable unsaturated organic compound having at least one group having the following general formula:
• CH.sub.2 --C(R1)--COO where R1 is H or CH.sub.3
• (c) 5 to 50 parts by weight of water
• (d) 0.01 to 5 parts by weight of an organic aromatic compound having at least one --SO.sub.2 group selected from the group consisting of aromatic sulfinic acids and metal salts thereof and aromatic sulfonyl compounds,
• (e) 5 to 100 parts by weight of a fluoroaluminosilicate glass powder which has a mean particle size lying in the range of 0.02 to 10 .mu.m and a specific gravity lying in the range of 2.4 to 4.0 and is capable of reacting with said .alpha.-.beta. unsaturated carboxylic acid polymer (a) having a weight-average molecular weight lying in the range of 5,000 to 40,000,
• (f) 0.01 to 100 parts by weight of a compound selected from the group consisting of aluminum chloride, aluminum oxide, aluminum acetate, aluminum salicylate, aluminum acrylate, aluminum oxalate, aluminum hydroxide, aluminum nitrate, aluminum carbonate, aluminum lactate, aluminum fluoride, aluminum sulfate, aluminum itaconate, aluminum phosphate, aluminum polychloride, aluminum iodide, aluminum acetylacetonate, aluminum bromide, aluminum butoxide, aluminum butylate, aluminum ethoxide, aluminum cyclohexanelactate, aluminum ethylhexoate, aluminum isopropoxide, aluminum laurate, aluminum oleate, potassium aluminum sulfate, aluminum stearate, aluminum triethoxide, aluminum triethylate, aluminum triisopropoxide, aluminum triisopropylate, barium aluminate, lithium aluminum hydride, sodium aluminate, iron oxide, iron chloride, iron sulfate, iron nitrate, iron hydroxide, iron ammonium sulfate, iron citrate, iron succinate, iron bromide, iron phosphate, iron dichloride, ethylenediamine iron, iron oxalate, iron lactate, iron ethylenediaminetetraacetate, iron 2-ethylhexoate, potassium ferrocyanide, potassium ferricyanide, acetylacetonatosodium ferrocyanide, iron alum, sodium iron citrate, sodium iron oxalate, iron ammonium sulfate, benzoylacetonatoiron, dicyclopentadienyliron, N,N-dimethyl-1-ferrocenylethylamine, iron decanoate, iron naphthenate, iron pentacarbonyl, iron nonacarbonyl, iron perchlorate, phthalocyanine iron, sodium pentacyanonitrosylferrate, sodium pentacyanoammineferrate, dicyano-bis(1,10-phenanthroline) iron, tris(1-phenyl-1,3-butanedionate) iron, tin oxide, tin chloride, tin acetate, tin phosphate, tin diphosphate, tin pyrophosphate, tin fluoride, tin iodide, tin oxalate, tin sulfate, tin bromide, tin tetrachloride, tin borofluoride, 2-ethylhexanoic acid tin salt, triphenyltin hydroxide, bis(tributyltin)oxide, di-n-butyltin diacetate, dibutyltin dichloride, di-n-butyltin dilaurate, dibutyltin oxide, hexabutyltin, bis(2-ethylhexanoic acid)dibutyltin, potassium stannate, sodium stannate, tetrabutyltin, tetraethyltin, tetramethyltin, tetraoctyltin, tetraphenyltin, tributyltin acetate, trimethyltin chloride, triethyltin chloride, tripropyltin chloride, and tributyltin chloride, and
• (g) 0.01 to 5 parts by weight of a photopolymerization initiator.