M. H. Castro-Cedeno

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PURPOSE Dental casting requires replication of complex shapes with high fidelity. To achieve this objective, the problem of scale formation on titanium dental castings must be overcome. Scaling occurs readily at high temperatures because of the high reactivity of molten titanium with investment materials. The purpose of this study was to examine the(More)
A change in technology can redefine roles in society. Skills that were previously considered specialties and/or optional can become required for the general population. Some recent examples include typing and drafting. Neither skill was expected from engineers before the widespread availability of personal computers. Secretaries performed the overwhelming(More)
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