Results 331 to 340 of about 1,982,048 (354)
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A characterization of polymethylmethacrylate bone cement
The Journal of Bone & Joint Surgery, 1975Polymethylmethacrylate cement is characterized in terms of chemical composition, handling characteristics, and physical properties; the dough time, setting time, handling time, and temperature rise were found to be most affected by environmental temperature and kneading of the dough mass. As the set material ages, the residual monomer content gradually
G. Dickson +2 more
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2004
“Cement”, a word comes from the domain of architecture construction. It consists of a system of powder/liquid materials which, when mixed to a paste, set to a hard mass. “Bone cement” is to benefit this system for an application in medicine, for example: filling of bone defects and fixation of surgical prosthesis etc.
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“Cement”, a word comes from the domain of architecture construction. It consists of a system of powder/liquid materials which, when mixed to a paste, set to a hard mass. “Bone cement” is to benefit this system for an application in medicine, for example: filling of bone defects and fixation of surgical prosthesis etc.
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Thermal Manipulation of Bone Cement
Orthopedics, 2005abstract Many factors affect the rate of polymerization of poly methylmethaery late (PMMA) and, therefore, the working timé of bone cement. Surgeons may control some factors, but not all. A surgeon may change the température of the powder and the monomer, whereas the temperature and relative humidity of the operating room are more difficult ...
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Fibre Reinforcement of Bone Cement
Engineering in Medicine, 1988Polymethylmethacrylate bone cement is used in many orthopaedic applications, including the replacement of hip joints. Fatigue in the cement is a common cause of prosthesis failure, and reinforcement using carbon or other fibres has been attempted as a means of strengthening the material. A new method of reinforcement using a woven preform of carbon or
F M Clarke +4 more
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Journal of Biomedical Materials Research. Part B - Applied biomaterials, 2010
The present study investigated the in vitro performance of brushite-forming Zn- and ZnSr-substituted beta-TCP bone cements in terms of wet mechanical strength and biological response.
S. Pina +7 more
semanticscholar +1 more source
The present study investigated the in vitro performance of brushite-forming Zn- and ZnSr-substituted beta-TCP bone cements in terms of wet mechanical strength and biological response.
S. Pina +7 more
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Cemented Fixation with Bone Grafts
Orthopedic Clinics of North America, 1993Loosening of the acetabular cup in cemented total hip arthroplasty is always accompanied by a loss of bone stock. Acetabular lesions can be reconstructed in several ways. Preoperative planning must be through, and specifically if graft procedures are considered, infection must be ruled out.
Buma P, Tom J. J. H. Slooff, Schimmel Jw
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JAMA: The Journal of the American Medical Association, 1973
To the Editor.— I feel compelled to comment on the paper you have published on "Intraoperative Death Associated with Acrylic Bone Cement" in the Oct 30, 1972, issue ofThe Journal. This article was written by three members of the Department of Anesthesiology, Montefiore Hospital and Medical Center and the Albert Einstein College of Medicine, Bronx, NY.
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To the Editor.— I feel compelled to comment on the paper you have published on "Intraoperative Death Associated with Acrylic Bone Cement" in the Oct 30, 1972, issue ofThe Journal. This article was written by three members of the Department of Anesthesiology, Montefiore Hospital and Medical Center and the Albert Einstein College of Medicine, Bronx, NY.
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2006
Bone cements based on polymethylmethacrylate are essential products in joint arthroplasty. Originally developed for dental applications, they have been used successfully in arthroplasty surgery for more than 40 years.
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Bone cements based on polymethylmethacrylate are essential products in joint arthroplasty. Originally developed for dental applications, they have been used successfully in arthroplasty surgery for more than 40 years.
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Acrylic bone cements for joint replacement
, 2010The physical and mechanical properties of poly(methyl methacrylate) cement have been extensively studied and a number of variables are known to affect the characteristics of a given property, the influential ones being the composition and porosity.
S. Deb
semanticscholar +1 more source
2002
In the early sixties Sir John Charnley presented the preliminary results of a new method for the fixation of joint prostheses to bone (Charnley 1964a,b, 1970). The idea was to distribute the contact stresses between the implant and the bone over a large area by means of a filler material, called bone cement and consisting in self-curing ...
F. X. (Francesc Xavier) Gil +2 more
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In the early sixties Sir John Charnley presented the preliminary results of a new method for the fixation of joint prostheses to bone (Charnley 1964a,b, 1970). The idea was to distribute the contact stresses between the implant and the bone over a large area by means of a filler material, called bone cement and consisting in self-curing ...
F. X. (Francesc Xavier) Gil +2 more
openaire +2 more sources