title: A comparative study of three glass ionomer base materials.
abstract: This study compared the compressive and diametral tensile strength, compressive modulus, shear bond strength to dentin and resin composite, marginal gap between the base and tooth in Class V cavity preparation, and fluoride release of three glass ionomer base materials. In general, visible light-cured (VLC) base materials outperform the autopolymerizing glass ionomer base Ketac-Bond. The compressive modulus is significantly less for the VLC glass ionomer materials Vitrebond and Fuji LC compared to Ketac-Bond. The Fuji LC had greater diametral tensile strength, compressive strength, bond to dentin and bond to resin composite than Vitrebond or Ketac-Bond. The fluoride release of Vitrebond was greater than Ketac-Bond or Fuji LC. The marginal gap at the tooth/base interface was significantly less with the Fuji LC compared to the other two materials.
authors.affiliation: Department of Restorative Dentistry, University of Texas HSC at San Antonio 78284.
authors.forename: J O
authors.initials: JO
authors.lastname: Burgess
authors.forename: N
authors.initials: N
authors.lastname: Barghi
authors.forename: D C
authors.initials: DC
authors.lastname: Chan
authors.forename: T
authors.initials: T
authors.lastname: Hummert
mesh_terms: D000704:Analysis of Variance; D003188:Composite Resins; D001840:Dental Bonding; D003736:Dental Cavity Lining; D003804:Dentin; D005459:Fluorides / Q000032:analysis; D005899:Glass Ionomer Cements / Q000737:chemistry*; D006801:Humans; D008422:Materials Testing; D013499:Surface Properties; D013718:Tensile Strength
chemical_list: D003188:Composite Resins; D005899:Glass Ionomer Cements; C061499:Ketac-Bond; C067790:Vitrabond; C084541:Fuji glass-ionomer lining cement; D005459:Fluorides