Biomedical subjects
Publications and source records attributed to C E Wiggins.
Cast saw noise was measured and found to be within the limit where employee hearing protection was not required by current Occupational Safety and Health Administration standards. Wearing of hearing protectors was found useful in diminishing anxiety associated with cast removal, especially in pediatric patients.
Tensile retentive strengths for six polycarbonate crown cementation systems were examined with use of extracted human teeth prepared with and without retentive grooves. From the results of this study, use of unfilled intermediary resins followed by polycarboxylate or zinc phosphate cements is recommended. Retentive grooves did not contribute to overall retention.
The concentrations in serum, cancellous bone, and cortical bone of three antibiotics--nafcillin, cefazolin, and gentamicin--were measured in eleven normal dogs. All antibiotics rapidly penetrated into bone. The peak concentration in serum was reached within twenty minutes of intravenous injections, and the concentration in bone generally paralleled that in serum. Cancellous bone had higher concentrations than did cortical bone because of the admixture of blood.
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