title: Effect of disinfectants containing glutaraldehyde on bonding of a tri-n-butylborane initiated resin to dentine.
abstract: The purpose of this study was to evaluate the effects of disinfectants on the bond strength of resin to dentine. The surface of bovine dentine was exposed to formaldehyde (FA) aqueous solutions, glutaraldehyde (GA) aqueous solutions, 2-hydroxyethyl methacrylate aqueous solutions (HEMA), a commercially available dentine primer (Gluma CPS desensitizer, GLUMA), isotonic sodium chloride solution (IS), and distilled water (DW), and placed in a humidor (HU) at 37 degrees C, or non-stored (baseline). All dentine surfaces were conditioned with a 10% citric acid and 3% ferric chloride solution (10-3 liquid), and then bonded to an acrylic rod with a self-curing adhesive resin (Super-Bond C&B). The mean tensile bond strengths determined 24 h after bonding were compared by analysis of variance (ANOVA) and Fisher's protected LSD test (n=5, P < or = 0.05). The exposure of dentine to IS, DW and HU for both 48 and 168 h resulted in a decrease in bond strength when compared with the baseline. The highest bond strengths after 168 h of exposure were obtained with 5% GA, 10% HEMA, and GLUMA, the values of which were equivalent to baseline and were significantly higher than that of FA. It is concluded that disinfectant pre-treatment with 5% GA or GLUMA stabilizes the bonding of tri-n-butylborane (TBB) initiated luting agent to bovine dentine conditioned with 10-3 liquid.
authors.affiliation: Department of Fixed Prosthodontics, Nagasaki University School of Dentistry, Nagasaki, Japan.
authors.forename: N
authors.initials: N
authors.lastname: Baba
authors.forename: Y
authors.initials: Y
authors.lastname: Taira
authors.forename: H
authors.initials: H
authors.lastname: Matsumura
authors.forename: M
authors.initials: M
authors.lastname: Atsuta
mesh_terms: D000134:Acid Etching, Dental; D000704:Analysis of Variance; D000818:Animals; D001896:Boron Compounds / Q000737:chemistry*; D002417:Cattle; D002712:Chlorides; D019343:Citric Acid / Q000737:chemistry; D003188:Composite Resins / Q000737:chemistry; D001840:Dental Bonding; D003804:Dentin / Q000648:ultrastructure*; D017220:Dentin-Bonding Agents / Q000737:chemistry*; D004202:Disinfectants / Q000737:chemistry*; D005290:Ferric Compounds / Q000737:chemistry; D005557:Formaldehyde / Q000737:chemistry; D005976:Glutaral / Q000737:chemistry*; D006813:Humidity; D007552:Isotonic Solutions / Q000737:chemistry; D008689:Methacrylates / Q000737:chemistry*; D008768:Methylmethacrylates / Q000737:chemistry*; D019279:Resin Cements / Q000737:chemistry*; D012965:Sodium Chloride / Q000737:chemistry; D013718:Tensile Strength; D013997:Time Factors; D014867:Water / Q000737:chemistry
chemical_list: D001896:Boron Compounds; D002712:Chlorides; D003188:Composite Resins; D017220:Dentin-Bonding Agents; D004202:Disinfectants; D005290:Ferric Compounds; D007552:Isotonic Solutions; D008689:Methacrylates; D008768:Methylmethacrylates; D019279:Resin Cements; C111486:gluma desensitizer; D014867:Water; C009523:tri-n-butylborane; D005557:Formaldehyde; D019343:Citric Acid; D012965:Sodium Chloride; C005044:hydroxyethyl methacrylate; C049495:Super-bond; D005976:Glutaral; C024555:ferric chloride