A multi-part hardenable dental composition. A first part includes a mono- and/or multi-functional component having one or more ethylenically unsaturated group(s), acid-reactive glass particles, and an oxidizing agent. A second part includes a mono- and/or multi-functional component having one or more ethylenically unsaturated group(s), a water miscible polyacid, a reducing agent that includes an aromatic tertiary amine, an acid having a pKa less than that of carboxylic acid, and non-reactive filler.

A multi-part hardenable dental composition. A first part includes a mono- and/or multi-functional component having one or more ethylenically unsaturated group(s), acid-reactive glass particles, and an oxidizing agent. A second part includes a mono- and/or multi-functional component having one or more ethylenically unsaturated group(s), a water miscible polyacid, a reducing agent that includes an aromatic tertiary amine, an acid having a pKa less than that of carboxylic acid, and non-reactive filler.

The present invention provides a dental glass composition that has excellent fixability to dental prostheses, and that does not need firing and fixing to layer color or enable a build-up of porcelain thereon. The present invention relates to a dental glass composition comprising a glass powder (A) and a wax component (B). The glass powder (A) has an average particle diameter of preferably 0.05 m to 50 m. The wax component (B) has a boiling point of preferably 400 C. or less.

The present invention provides a dental glass composition that has excellent fixability to dental prostheses, and that does not need firing and fixing to layer color or enable a build-up of porcelain thereon. The present invention relates to a dental glass composition comprising a glass powder (A) and a wax component (B). The glass powder (A) has an average particle diameter of preferably 0.05 m to 50 m. The wax component (B) has a boiling point of preferably 400 C. or less.

To provide a dental glass ionomer cement composition that exhibits little stringiness of mixed material, becomes soon after completion of mixing in a state that it is possible to perform shaping operation, is excellent in cavity filling property and is excellent in application property to a dental prosthesis device, and also exhibits excellent mixability and mechanical characteristic.

To provide a dental glass ionomer cement composition comprising (a) acid-reactive glass powder, (b) polyalkenoic acid, (c) water, and (d) porous inorganic filler: 0.075% by mass or more and 15% by mass or less, wherein the center portion of the (d) porous inorganic filler is an inorganic particle consisting of only silicon dioxide or consisting of silicon dioxide and an oxide containing one or more metal elements.

To provide a dental glass ionomer cement composition that exhibits little stringiness of mixed material, becomes soon after completion of mixing in a state that it is possible to perform shaping operation, is excellent in cavity filling property and is excellent in application property to a dental prosthesis device, and also exhibits excellent mixability and mechanical characteristic.

To provide a dental glass ionomer cement composition comprising (a) acid-reactive glass powder, (b) polyalkenoic acid, (c) water, and (d) porous inorganic filler: 0.075% by mass or more and 15% by mass or less, wherein the center portion of the (d) porous inorganic filler is an inorganic particle consisting of only silicon dioxide or consisting of silicon dioxide and an oxide containing one or more metal elements.

The invention relates to a kit of parts for obtaining a glass ionomer composition, the kit of parts comprising Part P and Part L, Part P being a powder comprising acid-reactive glass, Part L being a liquid comprising water, the kit of parts containing in addition a polycarboxylic acid, the polycarboxylic acid being present in Part P or Part L or Part P and Part L, the polycarboxylic acid comprising a copolymer of acrylic acid and maleic acid, the acid-reactive glass being characterized by comprising P: 0-4 wt. %, F: 10-18 wt. %, O: 25-35 wt. %, Si: 10-16 wt. %, Al: 11-19 wt. %, Sr: 20-40 wt. %, La: 0-4 wt. % the combined amount of Al, Sr and F being >48 wt. %, wt. % with respect to the weight of the acid-reactive glass, and the ratio of Al and Si in the acid-reactive glass being greater than 1/1 with respect to weight. The invention also relates to the use of a particular acid reactive glass in combination with a particular polycarboxylic acid for improving the mechanical strength of a glass ionomer composition.

The present invention provides a structured, biologically based clinical method for mitigating symptomatic pulpal conditions and preventing unnecessary endodontic treatment. Targeted at teeth with vital pulps and reversible inflammation, the protocol combines selective caries removal, pulp protection using calcium hydroxide or MTA, a sedative zinc oxide-eugenol base, and provisional sealing with moisture-setting cement. The method includes diagnostic, therapeutic, and follow-up steps, with one-week, one-month, and three-month evaluations to assess healing. If symptoms persist, root canal therapy is initiated; if asymptomatic, definitive restoration is performed. Annual monitoring ensures long-term pulpal stability. This reproducible approach prioritizes pain control, infection management, pulp preservation, and tooth longevity. It provides an evidence-based alternative to conventional endodontics, reducing overtreatment while supporting functional and biological integrity of the dental organ.

The present invention provides a structured, biologically based clinical method for mitigating symptomatic pulpal conditions and preventing unnecessary endodontic treatment. Targeted at teeth with vital pulps and reversible inflammation, the protocol combines selective caries removal, pulp protection using calcium hydroxide or MTA, a sedative zinc oxide-eugenol base, and provisional sealing with moisture-setting cement. The method includes diagnostic, therapeutic, and follow-up steps, with one-week, one-month, and three-month evaluations to assess healing. If symptoms persist, root canal therapy is initiated; if asymptomatic, definitive restoration is performed. Annual monitoring ensures long-term pulpal stability. This reproducible approach prioritizes pain control, infection management, pulp preservation, and tooth longevity. It provides an evidence-based alternative to conventional endodontics, reducing overtreatment while supporting functional and biological integrity of the dental organ.

One aspect of the present invention is: a dental glass ionomer cement including a first agent containing an ionomer glass powder; and a second agent containing a polycarboxylic acid polymer and water, wherein the first agent further contains a water-soluble compound represented by general formula (1): ##STR00001##
where R.sup.1 is a hydrogen atom or a methyl group, X.sup.1 is O or NH, and L.sup.1 is an alkylene group, and a water-soluble compound represented by general formula (2): ##STR00002##
where R.sup.2 is a hydrogen atom or a methyl group, X.sup.2 is O or NH, L.sup.2 is an alkyleneoxy group, R.sup.3 is an n-valent organic group, m is an integer of 1 or more and 42 or less, and n is an integer of 2 or more and 6 or less.