A method that includes the step of using a person's fingers to push a dental composition into engagement with a damaged tooth surface of a damaged tooth thereby adhering the dental composition to the damaged tooth surface and covering at least a portion of the damaged tooth surface. The dental composition includes a base material comprising at least one of the following compounds chosen from the group consisting of: a product consisting of one or more hydrocarbon-based waxes that may also include inorganic fillers and/or organic fillers; an uncured, uncrosslinked silicone high consistency rubber base; and a hydrophobic water insoluble solid material. The base material has a coating composition on one or more surface of the base material wherein the coating composition comprises: one or more desensitization ingredient and at least one dry, powdered hydrophilic polymeric substance.

A method that includes the step of using a person's fingers to push a dental composition into engagement with a damaged tooth surface of a damaged tooth thereby adhering the dental composition to the damaged tooth surface and covering at least a portion of the damaged tooth surface. The dental composition includes a base material comprising at least one of the following compounds chosen from the group consisting of: a product consisting of one or more hydrocarbon-based waxes that may also include inorganic fillers and/or organic fillers; an uncured, uncrosslinked silicone high consistency rubber base; and a hydrophobic water insoluble solid material. The base material has a coating composition on one or more surface of the base material wherein the coating composition comprises: one or more desensitization ingredient and at least one dry, powdered hydrophilic polymeric substance.

A two-package dental adhesive composition is provided that has an excellent adhesive property for each of various dental materials and also has excellent storage stability. The two-package dental adhesive composition includes a first agent and a second agent which are divided from each other. The two-package dental adhesive composition includes at least five components including: (A) an acidic group-containing polymerizable monomer; (B) a sulfur atom-containing polymerizable monomer; (C) a silane coupling agent; (D) a borate compound; and (E) water. The first agent contains only (A) the acidic group-containing polymerizable monomer and (B) the sulfur atom-containing polymerizable monomer out of the five components. The second agent contains only (C) the silane coupling agent, (D) the borate compound, and (E) the water out of the five components.

[Problem] To provide a dental photocurable composition which has sufficient mechanical property and whose rheological property is not deactivated even after long-term storage. [Solution] The dental photocurable composition of the present disclosure comprises (A) polymerizable monomer, (B) photosensitizer, (D) photopolymerization accelerator and (E) filler, wherein, the dental photocurable composition comprises (D1) aliphatic tertiary amine compound represented by formula (1) as the (D) photopolymerization accelerator, and the dental photocurable composition comprises (E1) hydrophobized silica fine particle having an average diameter of primary particle of 1 to 40 nm as the (E) filler. ##STR00001##
(wherein R.sub.1 represents a substituent consisting of three or more carbons having an electron-withdrawing group at ?-carbon and/or ?-carbon of an amine starting from N, R.sub.2 represents a substituent consisting of three or more carbons which may have an electron-withdrawing group, R.sub.3 represents a substituent consisting of one or more carbons which may have an electron-withdrawing group, and ?-carbon of N in the formula (1) is not an electron-withdrawing group.)

[Problem] To provide a dental photocurable composition which has sufficient mechanical property and whose rheological property is not deactivated even after long-term storage. [Solution] The dental photocurable composition of the present disclosure comprises (A) polymerizable monomer, (B) photosensitizer, (D) photopolymerization accelerator and (E) filler, wherein, the dental photocurable composition comprises (D1) aliphatic tertiary amine compound represented by formula (1) as the (D) photopolymerization accelerator, and the dental photocurable composition comprises (E1) hydrophobized silica fine particle having an average diameter of primary particle of 1 to 40 nm as the (E) filler. ##STR00001##
(wherein R.sub.1 represents a substituent consisting of three or more carbons having an electron-withdrawing group at ?-carbon and/or ?-carbon of an amine starting from N, R.sub.2 represents a substituent consisting of three or more carbons which may have an electron-withdrawing group, R.sub.3 represents a substituent consisting of one or more carbons which may have an electron-withdrawing group, and ?-carbon of N in the formula (1) is not an electron-withdrawing group.)

A maxilla standard dental plate configured so that if the length of a line segment PQ which connects a point P corresponding to the left-side pterygomaxillary notch at the plate posterior border and a point Q corresponding to the right-side pterygomaxillary notch at the plate posterior border is 1, the length of a line segment OM which connects a point O corresponding to the maxillary labial frenulum at the exact middle of the labial denture border and a median point M of the line segment PQ is 0.76-0.98.

The present invention relates to compounds and silicic acid (hetero)polycondensates comprising structures of formulas (1) and/or (2), ##STR00001## R.sup.2 is a hydroxy group or a free carboxylic acid residue or a carboxylic acid ester derived therefrom or a salt derived therefrom, R.sup.3 denotes a residue having a hydrocarbon-containing branched or unbranched backbone which is bonded to silicon by carbon, and can be arbitrarily interrupted by heteroatoms or coupling groups or by other heteroatom-containing groups, where the zigzag line purely schematically denotes the hydrocarbon-containing backbone, the three not more closely characterized bonds of the Si-atom represent additional residues bonded to the silicon atom, selected from residues that can be hydrolyzed from silicon, hydroxy groups and residues bonded to silicon by carbon which can have the same meaning as R.sup.3 or can have a different meaning deviating therefrom, or represent oxygen bridges to further silicon atoms and/or other metal atoms in the case the structure (1) is part of a silicic acid (hetero)polycondensate, the residue Y is either divalent, and then has the meaning of S, NR.sup.4 or P(O)(R.sup.4).sub.c(Z).sub.d with ZOR.sup.4, c=0 or 1, d=0 or 1 and (c+d)=1, or trivalent and has the meaning of N or P(O), R.sup.4 represents a hydrocarbon-containing residue and in the NR.sup.4 residue can in addition have the meaning of hydrogen, W is a substituted or unsubstituted hydrocarbon residue bonded to Y, the chain of which can be interrupted by S, O, NH, NR.sup.4, C(O)O, NHC(O), C(O)NH, NHC(O)O, C(O)NHC(O), NHC(O)NH, S(O), C(S)O, C(S)NH, NHC(S), NHC(S)O, Ar is a residue that carries at least one aromatic group which is unsubstituted or substituted with one or more residues, where the aromatic groups do not carry substituents, selected from boronic acid-, the carboxylic acid-, the phosphine acid-, the phosphonic acid- and the sulfonic acid group and from hydroxy groups, where Ar must be bonded to W if a0, Z is selected from urethane-, acid amide-, ether- and ester groups, R.sup.1 is a straight chain or branched, organically polymerizable group carrying at least one CC double bond, and the index e is 1, 2, 3, 4 or an integer greater than 4, the index a is equal to 0 or 1 or 2, the index b=1, 2, 3 or an integer greater than 3 if a0, and b=1 or 2 if a=1, the index m is 1, 2 or an integer greater than 2, the index n is 0, 1, 2 or greater than 2 and the index o is 1 or 2 or greater than 2.
composites and organically polymerized masses produced therefrom and methods for producing the same.

To provide a dental photocurable composition having good storage stability of a matrix containing a polymerizable monomer and a polymerization initiator, etc. and excellent mechanical strength of a dental photocurable composition comprising a mixture of the matrix and a filler. The dental photocurable composition of the present disclosure comprises a matrix containing (A) polymerizable monomer, (B) photosensitizer, (C) photoacid generator and (D) photopolymerization accelerator, and (E) filler, wherein, the dental photocurable composition comprises (A1) polymerizable monomer having an acidic group as the (A) polymerizable monomer, and the dental photocurable composition comprises (D1) tertiary aliphatic amine compound having Log P of 2 or more and pKa of 10 or less as the (D) photopolymerization accelerator.

To provide a dental photocurable composition having good storage stability of a matrix containing a polymerizable monomer and a polymerization initiator, etc. and excellent mechanical strength of a dental photocurable composition comprising a mixture of the matrix and a filler. The dental photocurable composition of the present disclosure comprises a matrix containing (A) polymerizable monomer, (B) photosensitizer, (C) photoacid generator and (D) photopolymerization accelerator, and (E) filler, wherein, the dental photocurable composition comprises (A1) polymerizable monomer having an acidic group as the (A) polymerizable monomer, and the dental photocurable composition comprises (D1) tertiary aliphatic amine compound having Log P of 2 or more and pKa of 10 or less as the (D) photopolymerization accelerator.

A dental composition comprising a pre-reacted particulate mineral trioxide aggregate (MTA) dispersed in a polymer matrix wherein the content of MTA in the composition is in the range of 20 to 50 percent by weight based on the total weight of the composition.