title: The effect of application time of two types of bone cement on the cement-bone interface strength.
abstract: The aim of this study was to investigate whether the application time of bone cement would have an effect on the cement-bone interface strength in two types of commercially available bone cements. CMW1 Radiopaque(®) (CMW1) and SmartSetHV(®) (SmartSet) were applied to bovine cancellous bone specimens at 2 and at 4 min. Specimens were loaded to failure and the shear strength of the cement-bone interface was calculated. The mean shear strength (±standard deviation) of the cement-bone interface was 2.79 ± 1.29 MPa for CMW1 applied at 2 min; 1.35 ± 0.89 MPa for CMW1 applied at 4 min; 2.93 ± 1.21 MPa for SmartSet applied at 2 min and 3.00 ± 1.11 MPa for SmartSet applied at 4 min. Compared to all other groups, the cement-bone interface strength was significantly lower when CMW1 was applied to the bone specimens at 4 min (p < 0.05). There was no significant difference in the cement-bone interface strength when SmartSet was applied to bone at 2 and at 4 min. Under these testing conditions, the cement-bone interface strength was not affected by the time of application of SmartSet to bone. However, it was significantly lower when CMW1 was applied to bone at 4 min.
authors.affiliation: Department of Trauma and Orthopaedics, Leeds General Infirmary, Great George Street, Leeds, LS1 3EX, UK.
authors.forename: Ziad
authors.initials: Z
authors.lastname: Dahabreh
authors.forename: Hannah Kalpana
authors.initials: HK
authors.lastname: Phillips
authors.forename: Todd
authors.initials: T
authors.lastname: Stewart
authors.forename: Martin
authors.initials: M
authors.lastname: Stone
mesh_terms: D000818:Animals; D019645:Arthroplasty, Replacement, Knee / Q000592:standards; D001843:Bone Cements / Q000494:pharmacology* / Q000592:standards; D000069343:Bone-Implant Interface / Q000502:physiology*; D002417:Cattle; D002484:Cementation / Q000592:standards; D007720:Knee Prosthesis / Q000592:standards; D008422:Materials Testing; D019904:Polymethyl Methacrylate / Q000494:pharmacology* / Q000592:standards; D011475:Prosthesis Failure; D033081:Shear Strength / Q000502:physiology; D013718:Tensile Strength / Q000502:physiology; D013977:Tibia / Q000502:physiology*
chemical_list: D001843:Bone Cements; C529142:SmartSet GHV; C035124:CMW cement; D019904:Polymethyl Methacrylate