Abstract: An augmented synthetic resin is provided. That resin includes carbon nanotubes dispersed in a polymethylmethacrylate matrix. The method of preparing this synthetic resin includes the mixing and disaggregating of the carbon nanotubes.

Abstract: A composition for use as a bioactive bone cement having a powder component including strontium-containing hydroxy apatite and formulated to create a settable fluid substance when mixed with a liquid component. The liquid component includes a Bisphenol A diglycidylether dimethacrylate resin which when mixed with the powder component creates a bioactive bone cement. The bioactive bone cement can alternatively be in the form of a two paste component system in which a first paste component including strontium-containing hydroxy apatite, Bisphenol A diglycidylether dimethacrylate resin and a polymerization initiator is formulated to create a settable paste substance when mixed with a second paste component. The second paste component includes strontium-containing hydroxy apatite, Bisphenol A diglycidylether dimethacrylate resin, and a polymerization accelerator which when mixed together with the first paste component creates a bioactive bone cement.

Abstract: There is provided an adhesion type denture adhesive having superior cleanability, which can be easily removed from a denture base and an oral mucosa for cleansing after the use, while possessing a superior force for stabilizing a denture. The denture adhesive containing a water-soluble polymer as a main ingredient, and containing 0.5 to 60% by weight of an alginate and 0.1 to 20% by weight of calcium sulfate contained therein.

Abstract: A method for etching and treating a tooth surface prior to restoration, comprising a solution comprising of an —SO3 terminated compound resin, such as an —SO3H compound resin, and an aldehyde desensitizing compound. In practice, the composition is applied to the tooth surface and not subsequently washed prior to application of an adhesive or other restorative material.

Abstract: The present invention provides a dental composite which has the high strength required for load-bearing restorations, yet maintains a glossy appearance, even after substantial wear. Through the use of particles having a mean particle size between about 0.05 &mgr;m and about 0.50 &mgr;m, the composite is useful in stress bearing restorations and in cosmetic restorations. The structural filler used is typically ground to a mean particle size of less than 0.5 &mgr;m and also includes a nanofiller having discrete particles of a mean particle size less than 100 nm to improve handling and mechanical characteristics. The preferred dental composites maintain their surface finish even after substantial use and also have the strength properties of hybrid composite resins.

Abstract: A dental adhesive composition comprising: (A) 100 parts by weight of a polymerizable unsaturated monomer containing 5% by weight or more of a radical polymerizable monomer having an acid group; (B) 35 to 100 parts by weight of an acid-reactive filler; (C) 35 to 100 parts by weight of water; (D) 5 to 100 parts by weight of a water-soluble organic solvent; and, (E) 0.1 to 10 parts by weight of a polymerization catalyst.

Abstract: An adhesive composition that contains a preservative is particularly useful as a medical adhesive and can include alkyl cyanoacrylate monomers. The preservative is preferably soluble in the monomer. The composition may optionally be sterilized by placing a mixture of a polymerizable adhesive monomer and a preservative in a container, sealing the container, and sterilizing the mixture and the container.

Abstract: A try-in paste, kit, and method of use, wherein the try-in paste includes: a polyalkylene glycol that is liquid at room temperature; a polyalkylene glycol that is solid at room temperature; and a particulate material; wherein the polyalkylene glycols are present in amounts to provide a paste having a consistency of about 20 mm to about 50 mm; and wherein the particulate material is present in an amount to provide a try-in paste of a shading that matches the shading of a corresponding polymerized dental cement.

Abstract: Disclosed are methods for sterilizing cyanoacrylate prepolymer compositions under visible light irradiation conditions wherein the prepolymer remains in polymerizable form after sterilization.

Abstract: The present invention concerns novel methods for enhancing the mechanical performance of tissue adhesives and sealants which comprises employing a primer molecule in association with a tissue adhesive or sealant, wherein the primer molecule serves to enhance the strength of the interface between the tissue and the adhesive matrix. The primer molecules described herein function to interact with a protein present in the tissue, thereby altering its characteristics to make it more amenable to bonding with the adhesive matrix. Primer molecules may be applied to the tissue independently from the tissue adhesive or sealant or may be mixed with the tissue adhesive or sealant prior to application to the tissue.

Abstract: Disclosed is a composition for delivering an oral care substance to the oral cavity, comprising: (a) an organosiloxane resin; (b) a volatile carrier capable of solubilizing the organosiloxane resin; (c) a rheology modifier; and (d) at least one oral care substance. The present invention is also directed to such compositions comprising: (a) an organosiloxane resin; (b) a fluid diorganopolysiloxane polymer; (c) a volatile carrier capable of solubilizing the organosiloxane resin and the fluid diorganopolysiloxane polymer; (d) a rheology modifier; and (e) at least one oral care substance.

Abstract: The invention relates to dental materials which contain at least one polysiloxane based on one or several silanes according to formula (I) [(Wq—R6—Z)p—R3]mY—R2—SiXnR13−n  Formula (I) in which X stands for a halogen atom, a hydroxyl, alkoxy and/or acyloxy group; n is equal to 1 to 3, R1 stands for an alkyl, alkenyl, aryl, alkylaryl, arylalkyl group; R2 stands for an alkylene group; R3 stands for a p-time substituted, straight, branched or cyclic, saturated or unsaturated, aromatic or aliphatic organic radical with 2 to 40 carbon atoms and optionally 1 to 6 heteroatoms; R6 stands for a q-times substituted, straight, branched or cyclic organic radical with 1 to 20 carbon atoms or is absent; p is equal to 1 to 6; q is equal to 1 to 6; Y stands for —NR4—, N or —(C═O)—NH—; m is equal to 2 for Y═N and equal to 1 for Y═—NR4—, or —(C═O)—NH—; R4 stands for an alkyl or aryl group; Z s

Abstract: The invention relates to novel cyclic siloxane compounds of the following general formula (I): in which: n=0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 preferably 1, 2, 3, 4, 5; A=H or C1-C15 alk(en)yl, C3-C15 cycloalk(en)yl, C6-C12 aryl, C8-C18 alkaryl, where, in the said radicals, in each case one or more C atoms can be replaced by O, C═O, O(C═O), SiR2 and/or NR, R being an aliphatic radical with 1 to 7 C atoms, in which one or more C atoms can be replaced by O, C═O, and/or O(C═O); B=E or a linear, branched or polycyclic aliphatic- or aromatic-groups-containing hydrocarbon radical which links 2 to 10 of the cyclosiloxane radicals defined above, less B, to one another and contains 2 to 50 C atoms and additionally 0 to 30 other atoms from the group O, N, S, P, Si, Cl, F, Br, I and from which correspondingly 1 to 9, preferably 1 to 4 of the above defined cyclosiloxane radicals, less B, are pending; E=A or a polymerizable group G—Q—L, where o

Abstract: In order to provide a relining for prosthesis and a process for the manufacturing thereof with improving the performance of the relining and the application-technical characteristics of the individual components as compared with the state of the art, it is proposed to prepare the relining from a one-component relining adhesive, a two-component relining silicone and optionally a two-component sealing lacquer.

Abstract: A calcium hydroxide-based root canal filling material having superior bioaffinity is provided, which is a temporary root canal filling material to be used in the root canal treatment of teeth, having such roles that, when filled temporarily in the root canal, it stays in an affected part during a predetermined period of time, thereby a root canal being prevented from staining by pathogenic bacteria or exudates, has corrosion resistance, and promotes the remedy of an apical abscess by wound of the root apex portion. The calcium hydroxide-based root canal filling material is comprised of 3 to 20% by weight of polyvinylpyrrolidone and/or polyvinyl methyl ether, 30 to 60% by weight of calcium hydroxide, and 35 to 60% by weight of water. Further, there is an embodiment in which from 5 to 20 parts by weight of at least one X-ray opacity medium selected from barium sulfate, zirconium oxide, bismuth subnitrate, bismuth trioxide, and bismuth carbonate and/or 0.

Abstract: A non-irritating, non-allergenic and non-toxic bioadhesive composition can be obtained by providing a bioadhesive composition comprising a) a polyphenolic protein derived from byssus-forming mussels b) a polymer comprising carbohydrate groups. The bioadhesive composition does not contain any enzyme or chemical cross-linking agent. Optionally, the composition may contain an oxidising agent and/or a filler protein. Preferably, the composition is provided as a kit of at least two parts, namely the polyphenolic protein and the polymer comprising carbohydrate groups, respectively. The composition is especially suitable as an adhesive in ophthalmic therapy.

Abstract: An adhesive suitable for use in the oral environment is provided. The adhesive comprises a filler, hardenable resin, a hardener, and a colorant, the composition has an initial color prior to exposure to actinic radiation and a final color that is different from the initial color subsequent to the composition being exposed to actinic radiation. The adhesive can be precoated on to orthodontic appliances.

Abstract: The present invention relates to a denture adhesive composition comprising mixed salts of an alkyl vinyl ether-maleic acid or anhydride copolymer and/or terpolymer with isobutylene wherein the mixed salt contains a cationic salt function comprising at least about 1% strontium cations, from about 1% to about 40% of zinc cations, from 0% to about 2.5% of a cation selected from the group consisting of iron, boron, aluminum, vanadium, chromium, manganese, nickel, copper, yttrium, titanium, and mixtures thereof; from about 36% to about 60% free acid component; and from 0% to about 65% of a cation selected from the group consisting of magnesium, calcium, and mixtures thereof. In addition, the present invention relates to denture adhesive compositions comprising the above composition and at least one non-adhesive self-supporting layer.

Abstract: A formulation for depositing a film on a substrate comprising 5 to79.9 wt. % of an alkylene trialkoxy terminated polysiloxane; 0.01 to 5 wt. % of a catalyst; 20 to 94.99 to wt % of a volatile diluent, and, optionally, 0.01 to 5 wt. % of an alkoxysilane and 0.1 to 25 wt % of a filler. The formulations are especially valuable for forming films to be used in personal care or healthcare applications.

Abstract: An adhesive composition includes a polymerizable adhesive monomer, at least one vapor phase stabilizer, and at least one liquid phase stabilizer. The combination of at least one vapor phase stabilizer and at least one liquid phase stabilizer provides superior stabilization and shelf-life for the monomer composition. The stabilized adhesive composition provides superior performance and shelf-life and can be sterilized without significant polymerization of the monomer.

Abstract: A mouldable mass of a hypoallergenic, substantially non-memory putty-like adhesive for use in connection with an ostomy appliance, said mass comprising: a) 1 to 20% by weight of a block copolymer having a major content of di-block copolymer, b) to 5 to 60% by weight of a tackifying liquid constituent, and c) 1 to 10% by weight of a waxy constituent has superior quality with respect to cohesion, gives the mass resistance against erosion and at the same time enables the removal of the mass as an integrated unit without leaving residues at the skin.

Abstract: The dental alginate impression material comprising a main paste containing an alginate, water and a filler as major components and a setting paste containing calcium sulfate and a liquid component as major components, the both pastes being to be mixed and set, wherein the main paste further contains 0.01 to 15% by weight of one or two or more polysaccharides selected from the group consisting of carrageenan, pullulane, curdlan, xanthane gum, gellan gum, pectin, konjak glucomannan, xyloglucan, guar gum, gum arabic, and locust bean gum, and the setting paste further contains 0.5 to 50% by weight of polybutene, is provided to thereby make the composition superior in preservability, and free from change of viscosity of the main paste with time, from liquid separation and deterioration of the setting paste, and from a delay in setting time due to the preservation.

Abstract: Dental resin cement materials having unique handling properties are provided that comprise a) filler, b) polymerizable resin, and c) a polymeric handling modifier that is dispersed in the polymerizable resin at 25° C. and that has a molecular weight of between about 500 and 100,000. Components a) b) and c) are present in an amount effective to achieve a Viscosity vs Shear Rate Curve that fits a power law model of F(x)=A xB. The correlation value of the material to this curve is greater than 0.85 for both the increasing and decreasing shear rate curves, and the value of B is less than about −0.01. Resin cements are also provided that comprise acid functionality and water, but which do not comprise an acid reactive filler. Such cements may be self etching, thereby avoiding the need to carry out a separate acid etch step.

Abstract: A method of reducing dentin sensitivity comprising: applying an effective amount of an acid to a dentin surface to form a treated surface; and administering an effective amount of an acidic oxalate to the treated surface so as to occlude dentinal tubules beneath the dentin surface. The method may optionally comprise the subsequent application of a suitable bonding agent. The invention further provides a kit for the treatment of dentin sensitivity, comprising a first container of an acid treatment composition, and a second container of an acidic oxalate composition.

Abstract: The invention provides dental cement compositions and methods of using them for binding hard tooth material, metal and ceramic. The cement compositions include shelf stable complexes of ethylenically unsaturated monomers reacted with cations. The cements have superior adhesion to tooth without separately acid etching dentin or enamel. Compositions of are useful as dental luting cements, liners, pit and fissure seal bases and restoratives.

Abstract: A dental composite material that comprises a polymerizable resin composition; a filler system comprising polyhedral oligomeric silsesquioxane fillers; and a curing system. 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: A dental adhesive composition has an adhesive component and an activator component. The adhesive composition has a volatile organic solvent component, one or more polymerizable (meth)acrylate compounds optionally containing fillers, and a polymerization photoinitiator. The adhesive component may also be a substantially homogeneous mixture of one or more polymerizable (meth)acrylate compounds and an effective amount of a photoinitiator, without a solvent. The activator component includes an aromatic sulfinate salt and an activator component solvent. A method for adhering a restorative to a dental surface includes preparing the surface for restoration; applying a mixture of an adhesive component and an activator component to the prepared cavity, thereby forming a coated cavity surface; and, applying a direct or indirect dental restorative to the coated cavity surface.

Abstract: A denture temporary relining material composition is disclosed, including (A) 100 parts by weight of an organopolysiloxane containing at least two alkenyl groups in one molecule and having a viscosity of from 0.5 to 20 Pa.s at 25° C.; (B) from 0.1 to 40 parts by weight of an organohydrogen polysiloxane containing at least three hydrogen atoms directly bonded to a silicon atom in one molecule; (C) from 10 to 500 ppm, based on the total amount of the components (A) and (B), of a silicone-soluble platinum compound; (D) from 10 to 200 parts by weight of an inorganic filler; (E) from 0.5 to 100 parts by weight of an organopolysiloxane raw rubber containing at least two alkenyl groups in one molecule and having a viscosity of from 1,000 to 20,000 Pa.s at 25° C.

Abstract: A cyanoacrylate adhesive is applied onto intact surface skin areas prone to ulceration so as to inhibit formation of surface skin ulcers.

Abstract: A bioerodible polymeric material, and in particular a semi-interpenetrating network (“semi-IPN”) alloy, is disclosed. A beneficial end use of this material is in the form of internal fixation devices (IFDs) (such as bone supports, plates, and pins) and as cured bone cements for bone repair. A multi-part bioerodible cement system, which, upon mixing of the system parts, forms a cured bioerodible cement, includes, in one part, a first bioerodible polymer (e.g., PLGA) capable of producing acidic products upon hydrolytic degradation, and, in another part, a second bioerodible scaffolding polymer (e.g., PPF) which upon crosslinking provides a biopolymeric scaffolding or internal reinforcement for the cured cement.

Abstract: The invention provides a pretreatment method and primer that is applied directly to the hard tissue. The invention has particular utility for adhering to or coating sclerotic dentin and cervical enamel or for adhering to or coating hard tissue in a high humidity environment. The primer enables formation of extremely strong bonds to dentin. The method comprises the steps of: (a) applying to the hard tissue adhesively effective amounts of an acid and a water-dispersible film former comprising a polymer and (b) hardening the film former. Primer compositions are provided for use in this method, comprising a mixture of an acid and a film former comprising a polymer prior to hardening, the mixture being in the form of a film atop the hard tissue.

Abstract: The present invention relates to a non-aqueous denture adhesive composition comprising a safe and effective adhesive amount of a denture adhesive; a safe and effective amount of an anticalculus agent; and a non-aqueous denture adhesive carrier; wherein the anticalculus agent is a material effective in reducing calcium phosphate mineral deposition related to calculus formation. The present invention further relates to a method of delivering an anticalculus agent to the oral cavity and teeth, by applying the above composition to dentures, directly to the oral cavity, or applying it to both, and thereafter securing the dentures to the oral cavity.

Abstract: A method of making a sterile adhesive composition includes placing a mixture of a polymerizable adhesive monomer and a thickening agent in a container, sealing the container, and sterilizing the mixture and the container. The method provides superior viscosity for the monomer composition. An adhesive composition includes 2-octyl cyanoacrylate and at least one thickener. The sterile adhesive composition is particularly useful as a medical adhesive and can comprise 1,1-disubstituted ethylene monomers, such as &agr;-cyanoacrylates.

Abstract: The present invention is directed to an etchant/primer composition, an etchant/primer/adhesive monomer composition, kits using the same and methods using the same for improved bonding to dental structures. The etchant/primer composition comprises a compound having the formula: RN(CH2YCO2M)2 wherein R=R1 or R2; R1=an aromatic group; R2=a conjugated unsaturated aliphatic group; Y=a single bond, CH2, CHCH3 or C═CH2; and each M is independently H, an alkali metal, an alkaline earth metal, aluminum, a transition or redox metal or an alkyl group having 1 to 18 carbon atoms, with the proviso that when both M groups are alkyl groups, said compound is capable of being easily hydrolyzed, displaced, or exchanged with other reagents present in the etchant/primer composition, a polar solvent system, and nitric acid.

Abstract: An aesthetic dental sealant comprising a hardenable resin, a hardener, and a colorant, the composition has an initial color prior to exposure to actinic radiation and a final color that is different from the initial color subsequent to the composition being exposed to actinic radiation.

Abstract: A method for etching and treating a tooth surface prior to restoration, comprising a solution comprising of an —SO3 terminated compound resin, such as an —SO3H compound resin, and an aldehyde desensitizing compound. In practice, the composition is applied to the tooth surface and not subsequently washed prior to application of an adhesive or other restorative material.

Abstract: This invention relates to a denture adhesive powder composition having extended holding power and markedly increased adhesion properties which comprises an adhesive amount of an inorganic salt of a C1 to C4 alkyl vinyl ether/maleic acid polymer wherein 50-90% of the acid moieties of the polymer are in the form of a metal salt and 50-1000 ppm of a mixture containing 30-70 wt. % neutralized or unneutralized ethylenediamine- tetraacetic acid (EDTA) and 70-30 wt. % of an organic, hydroxylated antioxidant and free radical scavenger, said composition in solution with water having a pH above 5.5 and to the method for the preparation of said composition.

Abstract: The present invention relates to improved bone sealants for staunching local haemorrhages on bones, which are characterized in that the bone sealant consists of a polyester oligomer synthesized from polyol, lactide and glycolide, and water-soulble polymers.

Abstract: The invention relates to urethane di(meth)acrylate derivatives of 1-3-bis(1-isocyanato-1-methylethyl)benzene according to Formula (I) 1

Abstract: A denture rebase is provided, which includes: (a) an acrylic resin; (b) a fluoro(meth)acrylate having the formula (I): CH2═C(R1)COO—R2—Rf  (I) wherein R1 represents a hydrogen atom or a methyl group; R2 represents an alkylene group; Rf represents a perfluoro alkyl group; R2+Rf has 4 to 10 carbon atoms in total, and wherein at least 50% of all atoms bonded to said carbon atoms constituting R2+Rf are fluorine atoms; (c) a polyfinctional (meth)acrylate; and (d) a polymerization initiator. The denture rebase is free from the serious problems associated with conventional denture rebases. The denture rebase resists discoloration and staining, and it is resistant to the absorption of odorous substances and water. It has good contamination resistance, and its cured product is tough.

Abstract: A method of reducing dentin sensitivity comprising: applying an effective amount of an acid to a dentin surface to form a treated surface; and administering an effective amount of an acidic oxalate to the treated surface so as to occlude dentinal tubules beneath the dentin surface. The method may optionally comprise the subsequent application of a suitable bonding agent. The invention further provides a kit for the treatment of dentin sensitivity, comprising a first container of an acid treatment composition, and a second container of an acidic oxalate composition.

Abstract: The invention relates to a photo-cured dental pit and fissure sealant composition for caries prevention: i) based on the multifunctional prepolymer mixture of 2,2-bis-(4-(2-hydroxy-3-methacryloyloxypropoxy)phenyl)propane (“Bis-GMA”), which has conventionally been used as dental pit and fissure sealant for caries prevention, and a multifunctional prepolymer formed by substituting hydrogen atoms in hydroxyl group with methacrylate groups in the Bis-GMA molecules; and ii) comprising a diluent, an inorganic filler, a photoinitiation system, and other additives. The dental pit and fissure sealant composition of the present invention is based on a multifunctional prepolymer mixture and has better physical and mechanical properties and biocompatibility than a conventional composition based on Bis-GMA only.

Abstract: The invention relates to a polymerizable, cross-linkable composition which contains: (A) 1-99.99 wt.-% of at least one conversion product of OH-functional (meth)acrylates with (i) oligomers from unsaturated rings or heterocyclic rings and maleic anhydride and/or with (ii) at least one ring-shaped polycarboxylic acid with at least 4 ring-carbon atoms and/or the anhydrides thereof with a saturated ring system, at least 4 carboxyl groups, and 0 or 1 heterocyclic ring atoms from the group N, O, S, whereby at least one carboxyl group and/or anhydride group of the above described substance groups is reacted with unsaturated polymerizable groups; (B) 0 to 98.99 wt.-% of one or more polymerizable, unsaturated organic compounds with at least one CH2═C(R10)—COO-group, whereby R10 represents H or methyl; (C) 0.01 to 5 wt.-% initiators and optional activators; (D) 0 to 90 wt.-% common solvents; (E) 10 to 90 wt.

Abstract: A method of making a sterile adhesive composition includes placing a mixture of a polymerizable adhesive monomer and a thickening agent in a container, sealing the container, and sterilizing the mixture and the container. The method provides superior viscosity for the monomer composition. An adhesive composition includes 2-octyl cyanoacrylate and at least one thickener. The sterile adhesive composition is particularly useful as a medical adhesive and can comprise 1,1-disubstituted ethylene monomers, such as &agr;-cyanoacrylates.

Abstract: A preferred embodiment of the invention provides a composition and method of treating dental metal. The composition includes a polymerizable aryl compound having at least one carboxylic acid group and at least one polymerizable group, and a polymerizable compound having at least one polymerizable group and at least one phosphorous containing group. A preferred composition includes at least 50 percent by weight of a volatile organic solvent, at least 15 percent by weight of one or more polymerizable acrylate compounds and an effective amount of a photoinitiator. At least a portion of the polymerizable compounds are multifunctional polymerizable compounds having at least three acrylate moieties. The polymerizable compounds are substantially soluble in the solvent. The composition is adapted to form a polymeric material which is adapted to adhere to metal and ceramics and to dentin. Compositions of the invention have superior adhesion to dental metals and tooth without separately acid etching dentin or enamel.

Abstract: A method of restoring a tooth includes applying a dental adhesive to the tooth, wherein the dental adhesive is self-curing and includes a redox initiator.

Abstract: The invention provides a self etching adhesive dental primer composition, a method of use of the primer composition and a product formed from the primer. The dental product is formed from the primer composition which includes water, surfactant and polymerizable material in suspension in the water. The polymerizable material includes monomers which are water immiscible. Preferably the monomers have an average molecular weight less than 1000. The primer composition is used by applying the composition to unetched dental tooth enamel and the polymerizable material is polymerized to form a dental product having adhesion to the enamel of more than 13 MPa. Improved surfactants which contain at least one ethenically unsaturated polymerizable group are provided in accordance with the invention. Surfactants of the present invention copolymerize with and become an integral part of any polymerizable resin matrix in which they are incorporated.

Abstract: The invention provides dental composition system having curable liquid which is useful alone as a light curable composition and which is useful by mixing with a powder in preselected proportions to form dual cure compositions. The composition system is useful as bonding agent, cement, liner, base, restorative, pit and fissure sealants, and/or core build-up material, having improved adhesion to dentin. After storing the powder and the liquid in separate containers for at least two weeks and then mixing a portion of the powder and a portion of the liquid to form a mixture, the polymerizable compound polymerizes within 20 minutes of the mixing to form a first polymeric material having a flexural strength of at least 50 MPa, and an expansion in water at 37° C. after 90 days of less than 1 percent by volume.

Abstract: An impoved barrier or drug delivery system which is highly adherent to the surface to which it is applied is disclosed, along with methods for making the barrier. In the preferred embodiment, tissue is stained with a photoinitiator, then the polymer solution or gel having added thereto a defined amount of the same or a different photoinitiator is applied to the tissue. On exposure to light, the resulting system polymerizes at the surface, giving excellent adherence, and also forms a gel in the rest of the applied volume. Thus a gel barrier of arbitrary thickness can be applied to a surface while maintaining high adherence at the interface. This process is referred to herein as “priming”. The polymerizable barrier materials are highly useful for sealing tissue surfaces and junctions against leaks of fluids. In another embodiment, “priming” can be used to reliably adhere preformed barriers to tissue or other surfaces, or to adhere tissue surfaces to each other.

Abstract: Dental composition, product and process using a silicon containing abrasion resistant material. The dental products formed are abrasion resistant and self-lubricating across their entire cross sections. Dental compositions useful for forming dental products in accordance with the invention preferably includes an ethylenically unsaturated silane. The composition is formed into a dental prosthesis, such as an artificial tooth, inlay, onlay, facing, crown or bridge.