Dental and orthopedic cement method and preforms

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

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525309, 604 56, 604 1, 606 92, 606 93, 606 94, 433 48, 4332281, C08K 511, C08F26506, A61M 3100

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active

052198979

ABSTRACT:
Dental and orthopedic acrylic cements are mixed by forming cement powder into a body in which adjacent particles are bonded to each other while defining a continuous open network of passages extending throughout the body and then bringing the body in contact with cement liquid. The liquid is wicked throughout the passages to dissolve the bonds and forms a mixed cement without stirring.

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Davies, M. S., et al., "Optimization and Comparison of Three Vacuum Mixing Systems for Porosity Reduction of Simplex P Cement", Clinical Orthopaedics and Related Research, pp. 261-269, No. 254, May, 1990.
Chin, M. D., et al., "The Effect of Centrifugation on the Mechanical Properties of Cement", The Journal of Bone and Joint Surgery pp. 363-368, vol. 72-A, No. 3, Mar., 1990.

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