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Rapid and reliable toxicity assessment of oil sands process-affected waters (OSPW) is needed to support oil sands reclamation projects. Conventional toxicity tests using whole animals are relatively slow, costly, and often subjective, while at the same time requiring the sacrifice of test organisms as is the case with lethal dosage/concentration assays. A… (More)
A solderless technique has been described for correcting an unstable framework of a base metal fixed partial denture. This technique has been used without failure since 1981 for cast joints with porcelain-fused-to-metal fixed partial dentures.
Forty-five photoelastic stress analyses were conducted with two-dimensional models of one side of a mandibular Kennedy class III removable partial denture. Fifteen separate rest seat configurations were tested for each of three varied inclinations of the distal second molar abutment. The data indicate that: Rest seat placement on an abutment tooth primarily… (More)