6 External fixation involves external surgery bone plates medullary pins As transient materials, internal fixation plates, screws, pins, etc. may be made of Stainless steel Co-Cr alloys Titanium alloys Alumina What would be an adequate combination as acetabular component-femoral head-stem? UHMWPE-Titanium - Co-Cr alloy UHMWPE - Co-Cr alloy - Alumina Alumina - Alumina - Co-Cr alloy UHMWPE - Titanium - Titanium Cancellous bone screws Have small threads Are Self-tapping are non-self tapping Closed surgery Have Large threads

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Clinical Pharmacology

Pharmacology is a discipline of medicine that studies how medications interact with the systems and processes of living organisms, focusing on drug action mechanisms as well as therapeutic and other purposes.