Abstract: To provide a dental silicone-based fitting check material composition capable of confirming a precise difference of film thicknesses and having a wide confirmation range of the film thicknesses, the dental silicone-based fitting check material includes 100 weight parts of organopolysiloxane having at least two aliphatic unsaturated hydrocarbons in one molecule, 0.1 to 30 weight parts of organohydrogenpolysiloxane having at least three hydrogen atoms directly bonding to silicon atoms in one molecule, 10 ppm to 1 weight parts of a silicone-soluble platinum compound with respect to the total weight of the above two components, 0.05 to 20 weight parts of powdery palladium, 10 to weight parts of an inorganic filler, and 0.01 to 10 weight parts of a pigment selected from phthalocyanine blue, cobalt blue, and ultramarine.

Abstract: The present invention relates to a radiopaque and aseptic material for impression-taking. Moreover, the present invention relates to the use of said material in implantodontics.

Abstract: A dental restorative composition comprises a resin composition comprising a low shrinkage, polymerizable oligomer contains units of the structure: AB??(I) wherein A is an organic radical having 1 to about 6 (meth)acrylate groups and 0 to about 5 hydroxy groups; B is an organic radical having 1 to about 5 epoxide groups, and wherein A and B are linked through the reaction of an epoxide and a hydroxy group; and a filler composition comprising a polyhedral silsequioxane and a sol-derived filler. These polymerizable dental composites may be used for a variety of dental materials, treatments, and restorative functions, including crown and bridge materials, fillings, adhesives, sealants, luting agents or cements, denture base materials, orthodontic materials and sealants, and other dental restorative materials.

Abstract: The present invention relates to a multicomponent automixable putty impression material, its components, mixtures of the components and a method for obtaining impressions with the multicomponent automixable putty impression material.

Abstract: Condensation-crosslinking two-component dental molding materials based on polyethers, which are particularly suitable for taking impressions, as well as mixtures that can be obtained from them, and their use. Such materials are used in dental medicine, for example for taking tooth impressions, for bite registration, or for lining dental prostheses. The material contains the following: at least one alkoxysilyl-functional polyether a), at least one reinforcing filler b1) having a BET surface of at least 50 m2/g or at least one non-reinforcing filler b2) having a BET surface of less than 50 m2/g, water c), if applicable, at least one condensation catalyst d), and a hydroxylsilyl-functional polyether e).

Abstract: The invention relates to a composition comprising a prepolymer as component (A), wherein the prepolymer comprises aziridino groups and is characterized by an equivalent weight EW1, a crosslinker as component (B), wherein the crosslinker has a structure being different from the structure of the prepolymer and comprises aziridino groups and is characterized by an equivalent weight EW2, an initiator as component (C) being able to start curing of the composition, optionally filler(s) as component (D) and optionally additive(s) as component (E), wherein equivalent weight is defined as (molecular mass of the molecule)/(number of aziridino groups present in the molecule) and wherein EW1>EW2. The invention also relates to the use of the composition for coating, sealing, moulding, adhering, making impressions, producing a dental material.

Abstract: Condensation-crosslinking two-component dental molding materials based on polyethers are particularly suitable for taking impressions. Such materials are used in dental medicine, for example for taking tooth impressions, for bite registration, or for lining dental prostheses. The molding material is made of the following: a) at least one hydroxylsilyl-functional polyether; b) at least one alkoxysilane b1) or one polysilicic acid ester b2); c) at least one reinforcing filler c1) having a BET surface of at least 50 m2/g or at least one non-reinforcing filler c2) having a BET surface of less than 50 m2/g, d) water, if necessary; and e) at least one condensation catalyst.

Abstract: The invention relates to plastics which are self-disinfecting. The invention relates in particular to polyether or silicone based dental plastics and impression materials in which a biocidal material is incorporated. The dental impression material ace. to the invention comprises at least a polymerizable base paste BP and a non-aqueous catalyst paste CP, wherein the base paste BP comprises about 0.001 to about 10% by weight of a water-stable anti-microbial agent. Preferred anti-microbial agents are selected from the group consisting of Hexitidin, Cetypyridininumcloride (CPC), Chlorhexidine and its derivates (CHX) and Triclosan.

Abstract: A polymerizable dental glaze, comprising: a polymerizable, ethylenically unsaturated resin composition; a filler composition consisting essentially of a polyhedral oligomeric silsesquioxane filler; and a curing system. These polymerizable dental glazes may be used for temporary or permanent dental restorations.

Abstract: Dental impression masses are described, which contain selected curable polymer systems and a mixture of a silicon-containing non-ionic surfactant that has at least one (poly)alkylene oxide radical and a molecular mass of less than 6000 g/mol, and of a non-ionic fluorosurfactant containing at least one partially fluoridated or perfluoridated hydrocarbon radical that is connected with a (poly)alkylene oxide radical, a hydrocarbon radical, an aliphatic polyhydroxy radical, or heterocyclic radical that contains nitrogen, by way of an oxygen atom, an amino group, a keto group, a carboxylic acid ester group, a phosphoric acid ester group, a carboxylic acid amide group and/or a phosphoric acid amide group, or of a non-ionic fluorosurfactant that has at least one partially fluoridated or perfluoridated hydrocarbon radical and at least one amino oxide radical.

Abstract: Polymerizable compositions and methods are provided that include an ethylenically unsaturated compound and an arylsulfinate salt. The polymerizable compositions are useful as hardenable dental compositions.

Abstract: The present invention relates to polymerizable dental compositions that contain a water scavenger, such as a molecular sieve, to increase the shelf life of the composition.

Abstract: An interocclusal appliance is formed from a single polymer material composition as one unitary piece or from multiple polymer material compositions as a two-piece preform. The two-piece preform includes a base material and an impression material that has a softening point lower than the base material. Teeth are received into the heat-softened impression material, so as to contour the impression material. A portion of the impression material also may contour to a portion of the user's palate. In certain embodiments, substantially no polymeric material contacts the front surfaces of the front teeth, leading to greater comfort and better air flow between front teeth. In still another embodiment, the appliance fits over front teeth only and no polymeric material contacts the maxillary molars.

Abstract: A hydrophilic polyorganosiloxane composition comprising (A) a curable organopolysiloxane containing at least 5 mol % of diphenylsiloxane units or at least 10 mol % of methylphenylsiloxane units, (B) a curing agent, and (C) a specific polyether cures into an elastomeric or gel-like silicone product having excellent hydrophilic properties and prevents separation of the polyether over time.

Abstract: To provide a silicone composition which does not adhere on a set material mainly including silicone, such as a silicone impression material used in the dental operation field, when being built on the set material mainly including silicone, the silicone composition includes (A) 100 weight parts of organopolysiloxane having at least two aliphatic unsaturated hydrocarbons in one molecule, (B) 0.1 to 50 weight parts of organohydrogenpolysiloxane having at least three hydrogen atoms, which directly bond to a silicon atom, in one molecule and including SiO2 units, (C) 0.1 to 50 weight parts of fine silica powder having a BET specific surface area of 50 to 500 m2/g and being subjected to a hydrophobic treatment on the surface thereof, and 10 to 800 ppm of a silicone-soluble platinum compound with respect to 100 weight parts of the total of the (A) and (B) components.

Abstract: The present invention provides a dental paste, a dental article, methods of making and using the dental paste, and compositions prepared therefrom. In one embodiment, the dental paste includes (a) a filler including porous, non-pyrogenic silica having a silane treated surface and being substantially free of heavy metals and (b) a filler including non-aggregated primary silica particles, with the fillers being dispersed in a hardenable resin.

Abstract: A flowable, light-curing underfilling material that is easily visible and distinguishable from the tooth substance. The underfilling material contains at least one polymerizable monomer, at least one polymerization initiator and also 0.3-10% white pigment.

Abstract: The purpose of the present invention is to develop an apparatus that can examine the occlusal contact patterns during the sleep bruxism, which can not be evaluated by the observation of the interior of oral cavity or by means of the articulator, in order to establish a convenient evaluation means for employing bruxism in daily and clinical diagnosis. The present invention relates to a bruxism evaluation sheet having a layer comprising an aqueous solution composition of an organic solvent comprising a dye and a thermosetting resin on a base sheet made of a thermoplastic resin, and a method for producing a convenient bruxism evaluation apparatus comprising heating the bruxism evaluation sheet, vacuum pressing it onto a model and then molding, and the like.

Abstract: The present invention relates to a thermochromic material for dental impression, capable of reversibly changing colour depending on the temperature at which said material is found, a method for its preparation and the use thereof. Said material includes a bicomponent silicone composition in combination with at least a thermochromic pigment.

Abstract: The invention relates to an initiator comprising at least one structural element characterized by the following formula (I) wherein X? is a non or low coordinating anion, R1, R2, R3, R4 are independently linear, cyclic or branched C1-C20 alkyl or alkylene groups, wherein one or more of the methylene groups contained in the alkyl or alkylene group can be substituted by —CO—, —CONH—, —CON(CH3)—, —S— and/or —O—, and wherein R1, R2, R3 and/or R4 can act as a bridging element connecting two or more structural elements. The invention is also related to a process of producing the initiator and to a curable composition comprising the initiator, a process for producing the curable composition a kit comprising a cationically curable composition and the inventive initiator and the use of the initiator or the curable composition comprising the initiator for various applications, especially in the dental field.

Abstract: A subject-matter of the invention is an impression material with at least one compound with at least two alkenyl groups as component (a), at least one compound with at least one chelating group as component (b), at least one organohydropolysiloxane as component (c), at least one hydrosilylation catalyst as component (d) and at least one compound with a chelatable metal atom as component (e), the chelating group of the component (b) exhibiting no reactive groups which can react with the component (c) and/or the component (d). The invention achieves a long storage stability.

Abstract: The present invention relates to molding compositions based on silane-terminated polyether derivatives, to a process for their preparation and to their use.

Abstract: The invention relates to two-component preparations comprising epoxy compounds and a noble metal species, in particular for the preparation of dental compositions. The invention particularly relates to two-component dental compositions which comprise epoxy compounds and are cured by cationic polymerization in the presence of a noble metal species.

Abstract: A system and method for mass, automated scanning of objects, including dental study casts, housing parts, and other objects. The system and method are able to function with little or no human operator intervention, thereby facilitating high volume scanning and reducing scanning costs. The system includes a scanner having a scanning table, a conveyor mechanism adjacent the scanner for delivering objects to be scanned to the scanner, and a pick and place mechanism for taking an object from the conveyor mechanism and mounting it onto the scanning table of the scanner.

Abstract: To provide an adhesive composition for an alginate impression material having excellent adhesive property to materials of various kinds of impression tray such as metal, plastic and the like, and having an effect to a paste type alginate impression material which does not conventionally have sufficient holding force to an impression tray, an adhesive composition for an alginate impression material, has the feature that 1-50 weight % of one or more kinds of compound selected from rosin, ester gum and polyamide resin are dissolved in an organic solvent, where isopropyl alcohol, ethyl acetate, toluene and the like can be used as the organic solvent, and the organic solvent obtained by combining isopropyl alcohol and ethyl acetate or isopropyl alcohol and toluene is preferable, although those can be independently used.

Abstract: Mixtures of chain-extended N-alkylaziridino prepolymers are disclosed herein. The disclosed mixtures of chain-extended N-alkylaziridino prepolymers can be used in combination with additional materials to make curable formulations that can be used, for example, as dental materials such as impression compounds.

Abstract: The invention relates to a two-component addition-cured silicon impression compound, comprising the following when both components are mixed: (a) between 1 and 35 wt. % of at least one organopolysiloxane comprising at least two unsaturated groups in the molecule; (b) between 1 and 10 wt. % of at least one organohydrogenpolysiloxane comprising at least two SiH groups in the molecule; (c) between 0.00005 and 0.05 wt. % of at least one platinum catalyst, calculated as elementary platinum; (d) between 4 and 10 wt. % of at least one liquid paraffin or at least one white mineral oil, or of a mixture of at least one liquid paraffin and at least one white mineral oil; (e) between 50 and 90 wt. % of at least one filler, each respective percentage relating to the total weight of the silicon impression compound. According to the invention, one of the components before being mixed with the other component has a Brookfield viscosity ranging between 800 and 2000 Pa*s.

Abstract: A dental composite material that comprises a polyhedral oligomeric silsesquioxane is disclosed. The dental composite material is useful for a variety of dental materials, treatments, and restorative functions including crown and bridge materials, fillings, adhesives, sealants, luting agents or cements, denture base materials, orthodontic materials and sealants, and other dental restorative materials.

Abstract: The invention relates to polymerizable materials comprising two components, where component I comprises: (a) from 0.1 to 20% by weight of at least one vinyl ether, (b) from 10 to 89.9% by weight of at least one ethylenically unsaturated monomer which is not a vinyl ether, (c) from 0.001 to 5% by weight of at least one accelerator, (d) from 9.999 to 89.899% by weight of fillers, thixotropy assistants, retardants and other auxiliaries, and component II comprises: (e) from 0.1 to 20% by weight of at least one barbituric acid derivative and/or at least one malonylsulfamide which is able to initiate the free-radical polymerization, and (f) from 0 to 89.9% by weight of fillers, thixotropy assistants, retardants and other auxiliaries, (g) from 10 to 80% by weight of conventional plasticizers, and to the use thereof.

Abstract: The present invention relates to silicone-based dental compositions based on a functionalized silicone crosslinkable and/or polymerizable by heat-process. These novel dental compositions are polymerizable and/or crosslinkable in an oral environment, have markedly improved qualities, in particular as regards the very marked reduction in the phenomenon of shrinkage of the materials and prostheses obtained from said compositions. These novel dental compositions are particularly advantageous in terms of reactivity; they are crosslinkable and/or polymerizable by heat, which makes it possible to use conventional crosslinking/polymerization methods and furthermore at temperatures of less than 150° C. This reactivity is in particular due to the presence of a particular type of initiator based on a boron derivative; That initiator is active in low concentration and advantageously requires only small quantities of energy to carry out the crosslinkage/polymerization.

Abstract: The present invention provides a one-bottle dental bonding composition that provides a bonding layer excellent in bonding strength, independent of the skill of the practitioners, and, more preferably, that releases fluoride ion gradually into oral cavity over an extended period of time. The one-bottle dental bonding composition comprises a radical polymerizable monomer (A) having an acidic group in the molecule, another radical polymerizable monomer (B), a photopolymerization initiator (C) and a water-soluble organic solvent (D), and is substantially free of water.

Abstract: Dental material containing a cluster according to the general formula [(M1)a(M2)bOc(OH)d(OR)e(L-Sp-Z)f] (I) in which M1, M2, independently of each other, stand in each case for a metal atom of the IIIrd or Vth main groups or the Ist to VIIIth sub-groups of the periodic table; R is an alkyl group with 1 to 6 carbon atoms; L is a co-ordinating group with 2 to 6 complexing centres; Sp is a spacer group or is absent; Z is a polymerizable group; c is a number from 1 to 30; d, e, independently of each other, are in each case a number from 1 to 30; f is a number from 2 to 30, any charge of the cluster (I) present being equalized by counterions.

Abstract: This invention relates to the kit of parts containing (co)polymers having hydrogen-siloxane groups, a catalyst, a vinyl compound and a hydrosilyl compound. The kits of parts may be used as permanent or temporary, soft or hard elastic, bonding or filling materials on a dental substrate or a bone substrate.

Abstract: A composition including nanoparticles each having an acidic polymerizable siloxane moiety. For example, a hydrolysis stable, self-etching, self-priming dental adhesive composition including 90 to 10 percent by weight of an aqueous phase, and 10 to 90 percent by weight of acidic polymerizable nanoparticles. The acidic polymerizable nanoparticles are obtainable by hydrolysis of a mixture containing one or more hydrolyzable organosilicon compounds wherein (i) at least a portion of the hydrolyzable organosilicon compounds contains one or more polymerizable groups and (ii) at least a portion of the hydrolyzable organosilicon compounds contain one or more acidic moieties.

Abstract: The present invention relates to a multi-component system for making impressions which contains (a) at least one compound having at least two alkenyl groups; (b) at least one organohydrogenpolysiloxane; (c) at least one hydrosilylation catalyst; characterized by containing (d1) at least one polymeric compound having at least one alkynyl group and/or (d2) at least one compound having at least one Si—OR structural unit, wherein R=H, alkyl, alkoxyalkyl or acyl; and when a compound (d2) having at least one Si—OR structural unit is contained, (e) at least one condensation catalyst and/or condensation cross-linking agent. After the mixing of the components, the materials according to the invention cure in two steps.

Abstract: One-part and two-part compositions curable by a metathesis reaction comprising a resin containing a substrate with at least two cycloolefin groups per molecule curable by a metathesis reaction with a metathesis catalyst. These compositions may optionally contain a reaction control agent for slowing the progress of the metathesis reaction. The metathesis catalyst can be a ruthenium carbene complex catalyst. The substrate may be, for example, a difunctional or trifunctional carboxylate ester containing norbornenyl end groups.

Abstract: A crosslinkable silicone material made of a silicone elastomer by polyaddition reaction is provided. The crosslinkable silicone material is especially useful for taking impressions such as, for example, dental impressions.

Abstract: The invention relates to preparations, containing (A) 30 to 56 wt.-% aziridino polyethers with a cyclic polyether content lower than 5.0 wt.-%; (B) 30 to 45 wt.-% compounds which effect a softening of the cured dental materials; (C) 10 to 15 wt.-% filler; (D) 4 to 10 wt.-% further active ingredients; with the provisos that the weight ratio between constituents (A) and (C) to the compounds of constituent (B) is 1.2 to 2.1; constituent (B) consists of compounds with molar masses lower than 500 g/mol (B1) and of trisacylesters of glycerol of non-animal origin with molar masses between 500 to 2000 g/mol (B2) as well as of compounds with molar masses greater than 2000 g/mol (B3) and the weight ratio between (B1) and (B3) is 1:0.8 to 1:2.3, as well as their use.

Abstract: An oral care composition comprises polybutene with a molecular weight of about 300 to about 3000 and an oral care active. The oral care composition may further comprise an oral care carrier. Kits comprising polybutene, a container and instructions for use or an applicator for applying the composition directly to the tooth surfaces are also disclosed. The polybutene component of the kits can further comprise an oral care active or an oral care carrier.

Abstract: Arizidinosilicones of the general formula (1), wherein R1 represents H, C1-C12 alkyl, C2-C12 alkenyl, C2-C12 alkinyl, C7-C15 alkaryl, C7-C15 aralkyl, C3-C12 cycloalkyl and these groups can be substituted with Cl or F partially, completely or in a mixed manner and/or may contain 0 to 5 heteroatoms selected from O, N, S, R2 represents a group of the selection of R1 and/or R4, and R3 represents SiRl3 or SiR12R4, and wherein R4 represents formula (2), and A represents an (n+1) radical saturated, unsaturated or aromatic, linear, branched or cyclic hydrocarbon group that may contain 0 to 5 heteroatoms selected from O, N, S and that includes 1 to 18 carbon atoms, B is selected from O, S, NR1, D is selected from C(O)O, C(O)NR1, C(O), C(O)C(O), C(O)(CH2)m(C(O), C(S)NR1, CH2, E represents a diradical saturated or unsaturated, linear, branched or cyclic hydrocarbon group that may contain 0 to 5 heteroatoms selected from O, N, S and that includes 0 to 18 carbon atoms, a is 0 or 1, f is an integer from 2 to 1000, n, m is

Abstract: A dental impression or doubling composition comprising A) alkoxysilyl-functional polyethers with linear or branched main chains with an average molecular weight (Mn) of 800 to 20,000, containing 20 to 95 weight percent of polyether groups and 0.2 to 25 weight percent of SIR1R2R3 alkoxysilyl groups, in which R1, R2 and R3, independently of one another, are hydrogen, alkyl or alkoxy, and 0 to 10 weight percent of urethane groups or 0 to 10 weight percent of urea groups, and B) a mixture, containing water and organic and/or inorganic acids in a ratio by weight of 1:0.01 to 1:40.

Abstract: A visible light photopolymerizable composition comprising a) an aryliodonium salt and b) a titanocene derivate. These compositions can be used together with an epoxide resin as a dental composition.

Abstract: N-alkyl aziridine block copolymers of the general structure (1), wherein R1 represents H, C1-C12 alkyl, C2-C12 alkenyl, C2-C12 alkinyl, C7-C15 aralkyl C7-C15 aralkyl, or C3-C12 cycloalkyl and these groups can be substituted with C1 or F partially, completely or in a mixed manner and/or may contain 0 to 5 heteroatoms selected from O, N, S; R2 represents a group selected from R1 and/or R4; R3 represents SiR13 or SiR12R4, wherein R4 represents a group of the general formula (2), wherein A represents an (n+1) radical saturated, unsaturated or aromatic, linear, branched or cyclic hydrocarbon group that may contain 0 to 5 heteroatoms selected from O, N, S and that comprises 1 to 18 carbon atoms; B is selected from O, S, NR1; D is selected from C(O)O, C(O)NR1, C(O), C(S)NR1, CH2; E represents a diradical saturated or unsaturated, linear, branched or cyclic hydrocarbon group that may contain 0 to 5 heteroatoms selected from O, N, S, and that comprises 0 to 18 carbon atoms; Q represents and ?, ?-radical polyether chai

Abstract: To provide a dental impression material composition having high hydrophilicity comparable to that of polyether rubber-made impression materials, being superior in recovery from deformation caused by removal out of an oral cavity, which are similar to silicone rubber-made impression materials, the dental impression material composition being superior in dimensional precision, and good in storage stability. The dental impression material composition includes (A) 100 parts by weight of the sum of (1) an organopolysiloxane containing at least two aliphatic unsaturated hydrocarbons in one molecule and (2) a polyether containing at least one aliphatic unsaturated hydrocarbon in one molecule, in a weight ratio of (1) to (2) of 1:0.01˜1:5, having (B) 0.

Abstract: Minute fibers are added to an alginate to form a fiber-alginate mixture or compound. The minute fibers may be man made such as nylon or may be natural such as hemp. The fiber-alginate mixture or compound is used in forming a mold, which may be used in casting directly from the human body. The addition of the minute fibers to the alginate creates enormous tear strength, which is far better than the tear strength of the alginate alone. The alginate and the fibers should be mixed in an alginate to fiber ratio by weight of about twenty-four to one for a natural fiber and a ratio of four to one for a man made fiber.

Abstract: The invention relates to monomers according to the formulae: as well as curable materials containing these monomers.

Abstract: The invention relates to polymerizable dental compositions which contain (a) 10 to 98.999 wt.-% of at least one bi- or higher-functional ethylenically unsaturated monomer, (b) 0 to 88.999 wt.-% of at least one monofunctional ethylenically unsaturated monomer, (c) 0 to 5 wt.-% of an accelerator, (d) 0.001 to 5 wt.-% of a redox initiator system which can trigger the radical polymerisation and (e) 0 to 88.999 wt.-% fillers, thixotropic auxiliaries, retarders and other auxiliaries (f) 1 to 30 wt.-% of a customary plasticizer and are characterized in that the redox initiator system comprises (i) a barbituric acid derivative and/or a malonyl sulfamide and (ii) an organic peroxide, selected from the group of the mono- or multifunctional carboxylic acid peroxyesters, and the constituents (a) to (f) are present in two pastes spatially separated from each other.

Abstract: The present invention relates to a kit of parts, comprising at least one partially resoluble (co) polymer, at least one adhesive for silicones, optionally a base body, and optionally a silicone composition. Moreover, the invention is the use of parts in a kit for the manufacture of an impression tray.

Abstract: A dental impression or doubling composition comprising alkoxysilyl-functional polyethers, having 20-95% polyether groups, 0.2 to 25% SiR1R2R3 groups and 0-10% urethane or urea groups, and a mixture comprising water and organic or inorganic acids, or both.

Abstract: The present invention relates to a radiopaque and aseptic material for impression-taking. Moreover, the present invention relates to the use of said material in implantodontics.