Biomedical Engineering Reference
In-Depth Information
methods used in the articles therein and briefly
describe what was learned by using them.
2.
How is critical surface tension related to wettability?
For the polymers in
Table 3.1.4-2
, draw the chemical
formulas of the chain repeat units and attempt to
relate the structures to the wettability. Where in-
consistencies are noted, explain those inconsistencies
using
Table 3.1.4-3
.
3.
A titanium dental implant was being manufactured
by the Biomatter Company for the past 8 years. It
performed well clinically. For economic reasons,
manufacturing of the titanium device was outsourced
to Metalsmed, Inc. Early clinical results on this
Metalsmed implant, supposedly identical to the
Biomatter implant, suggested increased inflamma-
tion. How would you compare the surface chemistry
and structure of these two devices to see if a differ-
ence that might account for the difference in clinical
performance could be identified?
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