The use of Metal on Metal bearing systems are under increasing scrutiny by Medical Regulatory Agencies because: Select one or more: O a. You should not put similar materials in contact with each other in a bearing system because they may pressure weld together O b. There is concern regarding the loss of bone density surrounding the metallic implants as a result of modulus mismatch and stress shielding O c. There is concern regarding corrosion between Cobalt-Chrome and Titanium Alloy components Od. There is concern regarding the environmental pollution associated with Cobalt extraction O e. There is concern over patient sensitisation to the metals used as the body is exposed to the ionic products of metallic wear over extended periods
The use of Metal on Metal bearing systems are under increasing scrutiny by Medical Regulatory Agencies because: Select one or more: O a. You should not put similar materials in contact with each other in a bearing system because they may pressure weld together O b. There is concern regarding the loss of bone density surrounding the metallic implants as a result of modulus mismatch and stress shielding O c. There is concern regarding corrosion between Cobalt-Chrome and Titanium Alloy components Od. There is concern regarding the environmental pollution associated with Cobalt extraction O e. There is concern over patient sensitisation to the metals used as the body is exposed to the ionic products of metallic wear over extended periods
Chapter25: Instruments For Optical Spectrometry
Section: Chapter Questions
Problem 25.21QAP
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