Abstract: This invention relates to two-pack type dental lining compositions comprising (a) a solution of a polymer having at least 10 mole % of a carboxyl-containing vinyl monomer, and (b) a solution of a zirconium chelate compound represented by the following general formula ##STR1## (wherein R.sub.1 denotes --CH.sub.3, --OCH.sub.3 or --OCH.sub.2 CH.sub.3, R.sub.2 stands for an alkoxy of 2 to 10 carbon atoms, and n is an integer from 2 to 4).

Abstract: The novel system for the bonding of dental filling composites and orthodontic adhesives to tooth enamel wherein the enamel is treated with a 2.5%-15% aqueous solution of a strong mineral acid or organic acid. The enamel is rinsed with water and thoroughly dried. A curable hydrophilic monomer primer is placed upon the enamel, said enamel primer being selected from the group consisting of esters having the generic formula: ##STR1## wherein R is H or CH.sub.3 and n is 1-8; esters of the general formula: ##STR2## wherein R=H or CH.sub.3 and n is 2-8; the mono and dimethacrylates or acrylates of glycerol; andacrylic or methacrylic acid.A methacrylate or acrylate based orthodontic adhesive or dental composite is cured on the surface of the primed enamel to give a material strongly bonded to the enamel surface.

Abstract: Surgical adhesive systems for the bonding of hard body tissues which contain as a polymerization initiating starter an organoboron compound and a resorbable (meth)acrylate component which is liquid to solid at room temperature and which consists of (meth)-acrylic acid esters with (meth)-acrylate groups on polyester oligomer chains from hydroxycarboxylic acids, preferably having 2 (meth)-acrylate groups in the .alpha., .omega. positions on the oligomer chains, and wherein the polyester oligomers are preferably formed from monohydroxymonocarboxylic acids.

Abstract: Dental work such as in fillings, restorations, crowns and tooth glazing is assisted by use of a flourescent compound as the dental composition. The compound is made up of a rare earth chelated flourescent compound incorporated in microbeads which in turn are incorporated in a conventional composition. Observation of the site under ultraviolet radiation enables precise location of the site boundaries as excess material is removed or as the site is observed for wear after a period of time.

Abstract: A primer composition for providing bonding between collagen containing materials, including dentin, bones and leather, and acrylate resins is disclosed comprising a monomer of the acrylate type containing reactive hydrogen and an aldehyde group containing compound. The combination may be made as a physical mixture or a chemical reaction product.

Abstract: Medical grade pressure sensitive adhesive compositions comprising a homogeneous mixture of one or more polyisobutylenes or blends of one or more polyisobutylenes and butyl rubber, one or more styrene radial or block type copolymers, mineral oil, one or more water soluble hydrocolloid gums, and a tackifier. One or more water swellable cohesive strengthening agents, an antioxidant, and various other optional ingredients may be included within the adhesive composition.

Abstract: A denture fixative composition contains as the active fixative a partially neutralized and crosslinked polyacrylic acid or a precursor combination of the polyacrylic acid, neutralizing agent(s) and crosslinking agent(s) which is adapted to form the active fixative, and at least one hydrophilic polymer, preferably, sodium carboxymethyl cellulose, hydroxypropyl guar or sodium alginate.

Abstract: An adhesive composition comprises 100 parts by weight of a polymerizable monomer comprising (a) 1.5 to 100 parts by weight of a compound represented by general formula I or II: ##STR1## where R.sub.1 and R.sub.1 ' each stand for hydrogen or a methyl group, R.sub.2 stands for a divalent organic residue having 4 to 40 carbon atoms, X.sub.1 and X.sub.2 each stand for --O--, --S-- or --NH--, a is 0 or 1, and R.sub.3 stands for a group of the formula ##STR2## having 6 to 40 carbon atoms, where R.sub.4 and R.sub.4 ' each stand for a hydrocarbon group having 1 to 29 carbon atoms, and optionally replaced by a halogen atom, or a hydroxyl, amino or carboxyl group, b is an integer of 0 to 3, and Z stands for --O--, --COO-- or --NH--, a plurality of R.sub.4 ' (when b is 2 or 3) being the same or different, at least one of R.sub.4 and R.sub.4 ' having at least three carbon atoms, and (b) 0 to 98.5 parts by weight of a vinyl monomer copolymerizable with the above compound; and 0.01 to 20 parts by weight of a curing agent.

Abstract: An improved denture adhesive containing sodium carboxymethylcellulose (CMC) as the sole adhesive component in a hydrophilic vehicle comprising certain polyethylene glycols (PEG) and, as an optional component in certain forms of the subject adhesives, glycerin, for enhancing pharmaceutical elegance of the final product.

Abstract: Powdered dental material of a sintered mixture of calcium aluminum fluorosilicate glass and precious metals (or alloys thereof with each other or with up to 40% non-precious metals), which may optionally contain polycarboxylic acid and/or a chelating agent and/or further powdered precious metal. The dental material can be prepared by sintering a mixture of the glass and the precious metal at a temperature greater than 600.degree. C., grinding the sintered product to a powder and admixing the optional further components. Use of the self-hardening glass ionomer cements for dental filling purposes gives fillings having excellent resistance to wear, most notably at the edges and corners in the molar region.

Abstract: An adhesive which comprises (a) 1 part by weight of a compound represented by the formula ##STR1## (where R.sub.1 and R.sub.1 ' denote H or a methyl group,X.sub.1, X.sub.1 ', X.sub.2, and X.sub.2 ' denote O, S, or NR.sub..alpha. [where R.sub..alpha. is H or a C.sub.1-6 alkyl group],m is an integer of 1 to 4,n is an integer of 0 to 4,k and k' are 0 or 1,R.sub.a is a C.sub.8-40 organic residue having a valence of (m+1), andR.sub.a ' is a C.sub.1-40 organic residue having a valence of (n+1)), and(b) 0 to 199 parts by weight of a monomer which is copolymerizable with said compound (a).This adhesive firmly adheres to hard tissues of the living body such as teeth and bones, metallic materials, organic polymeric materials, and ceramics. It keeps the high adhesive strength for a long period of time under wet conditions. This adhesive is particularly useful in dentistry.

Abstract: A polymerizable composition comprising liquid polymerizable acrylic monomer, a polymerization initiator for the monomer, sub-micron silica, and pigments, is employed as a dental veneer to mask tooth discoloration.

Abstract: Dental cements with syringate esters such as 2-ethylhexyl syringate with or without vanillate esters dissolved in o-ethoxybenzoic acid as ingredients of the liquid when mixed with metal oxide powder yield rapid setting, insoluble cements that have high strength, do not inhibit free radical polymerization, adhere strongly to metal, and reduce carries. Use of silanized glass filler to the powder in conjunction with the addition of monomer to the liquid gives an even stronger cement.

Abstract: A method and manufacture for orthodontic bracket application and removal, employing an orthodontic bracket adhesive containing a non-toxic, inorganic filler which is insoluble in mouth fluids and has a Mohs hardness less than about 4.5, together with an abrasive for removal of the adhesive. The abrasive is a non-toxic, inorganic material having a Mohs hardness greater than that of the adhesive filler but less than about 5.

Abstract: Resin-forming dental restorative material comprising a blend of dipentaerythritol penta- and hexa-acrylate or -methacrylate optionally, tetramethylolmethane tri- or tetra-acrylate or tetramethylolmethane tri- or tetra-methacrylate and a filler having a Mohrs' hardness of at least 5.

Abstract: A silicon rubber mixture for surgical embolization composed of(a) a linear, low viscosity polysiloxane selected from the group consisting of dialkyl, alkylaryl, alkenylalkyl, and diaryl polysiloxanes having reactive functional groups selected from the group consisting of hydroxy, acyloxy, alkoxy and amino;(b) a cyclic dialkyl polysiloxane having the formula [R.sub.2 SiO].sub.4, wherein R is alkyl; anda pharmaceutically acceptable iodo-containing organosilicium X-ray contrast material or non-metallic organic X-ray contrast material. The mixture can be used in cerebrovascular surgery and general surgery for sugical embolization with the aid of a catheter.

Abstract: A fluid dental composition which comprises a liquid ethylenically unsaturated polymerizable material and a polymerization catalyst therefor and a selected mixture of fine particle size and large particle size fillers and dispersing agent particularly for the former filler, the compositions having physical properties desirable as an amalgam potential replacement.

Abstract: A solid fatty polyamide dissolved in a volatile organic solvent has been found effective for preparing cavities of teeth for restoration. For example, when this solution is applied to a cavity in the form of a dental cavity varnish, the organic solvent may be evaporated to leave behind a continuous polyamide film which is compatible with methacrylate resin type restoratives. Solid fatty polyamides are generally derived from the reaction product of partially polymerized unsaturated fatty acids with aliphatic diamines. The present invention relates to methods for preparing cavities with these polyamides as well as to compositions containing these polyamides.

Abstract: Medical grade adhesive compositions comprising a homogeneous blend of one or more pressure sensitive adhesive materials and one or more natural or synthetic polymers capable of developing elastomeric properties when hydrated such as gluten and long chain polymers of methyl vinyl ether/maleic acid are disclosed. The compositions may also include one or more water soluble hydrocolloid gums and may additionally contain one or more water swellable cohesive strengthening agents.

Abstract: An adhesive bandage composition uses a blend of polyisobutylene, polybutene, butyl rubber with reinforcing fiber, filler material and zinc oxide blended under heat and rolled into a thin sheet. The sheet of adhesive material can be attached to a bandage material on one side and covered with a protective paper on the other and cut to shape for application to a body surface.

Abstract: Novel compounds used as polymerizable monomers in a dental adhesive composition, and having a general formula (1): ##STR1## wherein R.sup.2 is a carboxyl group and R.sup.3 is a hydrogen atom when R.sup.1 is a methyl group, and R.sup.2 is a hydroxyl group and R.sup.3 is a carboxyl group when R.sup.1 is a hydrogen atom, that is, N-methyl-N-(2-hydroxy-3-methacryloyloxypropyl)-m-aminobenzoic acid and 2-hydroxy-4-[(2-hydroxy-3-methacryloyloxypropyl)amino]benzoic acid are disclosed.

Abstract: The present invention relates to a cement which may be used for the fixation of osseous prostheses. This cement is obtained by hardening of a mixture comprising:(a) at least one epoxide resin having a high reactivity and a very low toxicity, consisting of a diepoxide of a glycidyl ether of bisphenol A;(b) a reactive, non-toxic suppling resin, consisting preferably of hydroxyl-terminated polybutadiene;(c) a mineral filler in powder form;(d) a hardener capable of reacting with said epoxide resin to effect hardening thereof, and(e) a hardening accelerator.The invention is more particularly applicable to the fixation of hip prostheses.

Abstract: Polymerizable adducts of diisocyanates and methacryloyl alkyl ethers, alkoxybenzenes, or alkoxycycloalkanes are disclosed. The compounds of the present invention are formed into compositions which are useful as bone cement, fillings for cavities, and orthodontic adhesives. The compositions have improved mechanical properties, low water absorption, and excellent color and discoloration stability, coupled with a high filler content.

Abstract: Bonding to calcified tissues, including human teeth, tooth dentine and bone, is achieved through the medium of crystal growth adhered to the tissue. The crystals preferably comprise gypsum crystals which are formed by contacting the tissue surface with a mildly acidic solution containing sulphate ions.

Abstract: A novel compound, 1-methacryloxyethane-1,1-diphosphonic acid and its salts provide improved adhesion to tooth substances when used as a polymerizable monomer in a dental adhesive composition.

Abstract: Adhesives and methods are provided for fixed prosthesis by bonding a pontic to abutment teeth. The adhesive is preferably a methacrylate based resin adhesive comprising 2.5-30% of an elastomer which is a polymer of a substituted or unsubstituted butadiene monomer. A preferred etchant for preparing the abutment for adhesive bonding is 2-15% HCl. The prosthesis technique does not irreversibly affect the abutment teeth. The preferred adhesive may also be used for immobilizing injured or periodontically affected teeth or for stabilizing teeth in order to retain the results of orthodontic treatment.

Abstract: A denture fixative composition contains a dentally acceptable excipient and an effective fixative amount of a fixative mixture comprising hydroxypropyl cellulose and at least one partially neutralized alkyl vinyl ether-maleic acid or anhydride copolymer, optionally partly crosslinked, or a partially neutralized, optionally partly crosslinked polyacrylic acid or a precursor combination of the copolymer or polyacrylic acid, neutralizing agents, and optionally crosslinking agents, which is adapted to form the fixative in situ, or polyethylene oxide.

Abstract: An adhesive cementing agent is provided for the hard tissues of the human body, which contains a phosphoric or phosphonic acid ester compound containing at least one polymerizable functional group and either a group of the formula ##STR1## or a group of the formula ##STR2## or a high molecular weight compound obtainable by polymerizing the compound either alone or as a comonomer unit. This adhesive cementing agent has a high affinity for the tooth, bone and other hard tissues of the human body and enjoys prolonged stability in wet environments.