title: Effects of metal primers on bonding of adhesive resin cement to noble alloys for porcelain fusing.
abstract: This study evaluated the effects of metal primers on the bonding of adhesive resin to four pure metals (Au, Pd, Ag, Cu) and two noble alloys for porcelain fusing (high-gold and high-palladium content alloys). Bonding surface was polished with 600-grit silicon carbide paper and primed with one of the three metal primers (V-Primer, Metaltite, and M.L. Primer). Bonded specimens were fabricated by applying adhesive resin (Super-Bond C&B) on the primed surface. Shear bond strength (SBS) was determined both before and after thermocycling (4-60 degrees C for 2,000 cycles). The highest SBS values to each pure metal after thermocycling were 33.5 MPa for Au by M.L. Primer, 35.0 MPa for Ag by V-Primer, and 34.4 MPa for Cu by Metaltite. SBS to high-gold content alloy after thermocycling was 33.3 MPa by M.L. Primer. None of the primers was effective for pure Pd and high-palladium content alloy after thermocycling.
authors.affiliation: Department of Fixed Prosthetic Dentistry, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan.
authors.forename: Nobuhiro
authors.initials: N
authors.lastname: Okuya
authors.forename: Hiroyuki
authors.initials: H
authors.lastname: Minami
authors.forename: Hisanori
authors.initials: H
authors.lastname: Kurashige
authors.forename: Sadaaki
authors.initials: S
authors.lastname: Murahara
authors.forename: Shiro
authors.initials: S
authors.lastname: Suzuki
authors.forename: Takuo
authors.initials: T
authors.lastname: Tanaka
mesh_terms: D001896:Boron Compounds / Q000737:chemistry; D017554:Carbon Compounds, Inorganic / Q000737:chemistry; D003300:Copper / Q000737:chemistry; D001840:Dental Bonding; D003775:Dental Polishing / Q000379:methods; D006046:Gold / Q000737:chemistry; D006047:Gold Alloys / Q000737:chemistry; D006801:Humans; D008422:Materials Testing; D016876:Metal Ceramic Alloys / Q000737:chemistry*; D008689:Methacrylates / Q000737:chemistry*; D008768:Methylmethacrylates / Q000737:chemistry; D010165:Palladium / Q000737:chemistry; D019279:Resin Cements / Q000737:chemistry*; D033081:Shear Strength; D017655:Silicon Compounds / Q000737:chemistry; D012834:Silver / Q000737:chemistry; D013314:Stress, Mechanical; D013499:Surface Properties; D013696:Temperature; D013889:Thiouracil / Q000031:analogs & derivatives / Q000737:chemistry; D013997:Time Factors; D014227:Triazines / Q000737:chemistry
chemical_list: D001896:Boron Compounds; D017554:Carbon Compounds, Inorganic; D006047:Gold Alloys; C509518:M. L. Primer; D016876:Metal Ceramic Alloys; C509517:Metaltite; D008689:Methacrylates; D008768:Methylmethacrylates; D019279:Resin Cements; D017655:Silicon Compounds; D014227:Triazines; C107059:V-Primer; C100646:Metal Primer; D012834:Silver; D013889:Thiouracil; D010165:Palladium; D006046:Gold; D003300:Copper; C049495:Super-bond; C022088:silicon carbide