title: An in vitro evaluation of a copolymerizable type of microfilled composite resin.
abstract: Prepolymerizing microfilled composite resins have gained acceptance as restorative materials. However, when used as a posterior material, many of them undergo debonding of the organic filler. Such a condition has been attributed to the fact that the filler particles are held to the surface of the resin matrix primarily by mechanical means. Recently, a composite resin has been developed in which the prepolymerized organic particle is bonded chemically to the resin matrix through copolymerization. The material consists of trimethyol propane trimethacrylate, and the numerous double bonds on the surface provide a means for chemical bonding. A three-bodied wear-testing device was used in conjunction with a series of experimental trimethyol propane trimethacrylate-containing polymers, and it was shown that most of these systems offered greater resistance to wear and marginal deterioration than did conventional systems.
authors.affiliation: Department of Biomaterials and Restorative Dentistry, University of Alabama at Birmingham, School of Dentistry.
authors.forename: S
authors.initials: S
authors.lastname: Suzuki
authors.forename: K F
authors.initials: KF
authors.lastname: Leinfelder
mesh_terms: D000704:Analysis of Variance; D017438:Bisphenol A-Glycidyl Methacrylate; D003188:Composite Resins / Q000737:chemistry*; D005069:Evaluation Studies as Topic; D006244:Hardness; D006801:Humans; D008422:Materials Testing; D008689:Methacrylates; D008855:Microscopy, Electron, Scanning; D008863:Microspheres; D010316:Particle Size; D011140:Polyurethanes; D013499:Surface Properties
chemical_list: D003188:Composite Resins; D008689:Methacrylates; D011140:Polyurethanes; C074741:Silux Plus; C029824:urethane dimethacrylate luting resin; D017438:Bisphenol A-Glycidyl Methacrylate; C028643:trimethylolpropane trimethacrylate