title: In vitro evaluation of dentinal bonding agents in mixed Class V cavity preparations.
abstract: The effect of ten dentinal bonding agents on composite resin restorations was tested in mixed Class V cavity preparations. The marginal quality of the restorations was quantified under a scanning electron microscope before and after thermocycling. In addition, the marginal seal was semiquantitatively evaluated with a dye penetration technique. Marginal adaptation in dentin was poor in seven test groups. Three products showed values of excellent margin in dentin exceeding 50% after thermocycling. Furthermore, some dentinal bonding agents had a deleterious effect on marginal adaptation to the etched enamel surfaces.
authors.affiliation: University of Zurich, Dental Institute, Switzerland.
authors.forename: R L
authors.initials: RL
authors.lastname: Airoldi
authors.forename: I
authors.initials: I
authors.lastname: Krejci
authors.forename: F
authors.initials: F
authors.lastname: Lutz
mesh_terms: D001641:Bicuspid; D003188:Composite Resins; D001840:Dental Bonding / Q000379:methods*; D003738:Dental Cements; D003763:Dental Leakage / Q000517:prevention & control*; D003804:Dentin; D005069:Evaluation Studies as Topic; D006801:Humans
chemical_list: D003188:Composite Resins; D003738:Dental Cements