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.

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.

The present invention provides a silicate glass that can reduce a color change in base material zirconia even when simultaneously fired with an unsintered zirconia. The present invention also provides a dental product using same. The present invention relates to a silicate glass comprising: 65.0 to 90.0 mol % SiO.sub.2, 4.0 to 15.0 mol % Al.sub.2O.sub.3, 1.0 to 10.0 mol % K.sub.2O, 0.1 to 7.0 mol % Na.sub.2O, and 0.01 to 15.0 mol % CaO, the silicate glass being essentially free of B.sub.2O.sub.3, and satisfying the relation {(number of moles of Al.sub.2O.sub.3)/(total number of moles of RO+R.sub.2O)}≥0.70, wherein R in the metal oxide represented by RO represents a metallic element in group 2 or 12 of the periodic table, and R in the metal oxide represented by R.sub.2O represents a metallic element in group 1 of the periodic table. The present invention also relates to a composite comprising the silicate glass and a base material formed of a ceramic; a sintered body as a fired product of the composite; and a dental product comprising the sintered body.

A dental composition is provided as a coating comprising glass flakes providing improved wear-5 resistance and aesthetic properties. The compositions may be used in the treatment of dentine hypersensitivity, dental caries, or in the protection of a tooth from the external environment of the mouth.

A dental composition is provided as a coating comprising glass flakes providing improved wear-5 resistance and aesthetic properties. The compositions may be used in the treatment of dentine hypersensitivity, dental caries, or in the protection of a tooth from the external environment of the mouth.

One aspect of the invention includes a glass powder for a chemical polymerization initiator, the glass powder including aluminum, silicon, and at least one of copper or vanadium.

One aspect of the invention includes a glass powder for a chemical polymerization initiator, the glass powder including aluminum, silicon, and at least one of copper or vanadium.

The present disclosure provides glass compositions that include from 45 mol% to about 95 mol% of B203; from about 3 mol% to about 60 m ol% of one or more glass components selected from the group consisting of: K20, Na20, CaO, and MgO; and from about 2 mol% to about 45 mol% of CaF.sub.2, SnF.sub.2, NaF, KF, Na.sub.2PO.sub.3 F, or a combination thereof, where the glass includes less than 30 mol% of CaF.sub.2, SnF.sub.2, or a combination thereof. The glass includes: substantially no CuO; less than 0.1 mol% of Li.sub.20, less than 0.1 mol% of Rb.sub.2O, less than 0.1 mol% of BaO; less than 0.1 mol% of P.sub.20.sub.5; less than 0.1 mol% SiO.sub.2; and less than 30 mol% of MgO. The glass composition may be used to desensitize dentin. The present disclosure also provides dentin-desensitizing compositions, as well as methods and uses of the disclosed glass compositions.

Disclosed are biomimetic mineral based endodontic cement compositions. An endodontic cement comprises a paste A and a paste B. The paste A comprises a pozzolanic cementitious mineral paste and the paste B is a mixture comprising polyanionic polymers, phosphates, cement setting modulators, host-inclusion particles, bioactive glasses, and radiopacity agents suspended in a liquid carrier.

ZrO.sub.2-toughened glass ceramics having high molar fractions of tetragonal ZrO.sub.2 and fracture toughness value of greater than 1.8 MPa.Math.m.sup.1/2. The glass ceramic may also include also contain other secondary phases, including lithium silicates, that may be beneficial for toughening or for strengthening through an ion exchange process. Additional second phases may also decrease the coefficient of thermal expansion of the glass ceramic. A method of making such glass ceramics is also provided.