HIGH YIELD Flashcards
types of implants in podiatry
transient
- sutures
- dressings
- fixation
permanent implants
-joint replacement
materials of Podiatric biomaterials?
metals and metallic alloys
polymers
ceramics
metals and metallic alloys?
titanium
cobalt chromium
stainless steel
silicone/rubbers polyethylene -UHMWPE PMMA absorbable
polymers
what are the absorbable polymers?
polyglycolic acid
-dexon sutures
polylactic acid
-fixation screws/pins/wires/anchors
absorbable polymers?
co-polymers
- vicryl
- monovicryl
- PLA/PGA co polymers
poly-p-dioxanone
-PDS sutures
what are the applications of absorbable polymers?
fixation devices
drug delivery systems
bone fillers
tissue scaffolds
ideal characteristics of absorbable fixation devices?
non toxic stable good biocompatibility adequate mechanical strength predictable degradation rate water-soluble natural route to eliminate metabolites
what are the ceramics?
alumina
zirconia
carbons
hydroxyapatite
this is a combination of 2 or more materials leading to improved performance
matrix material and fiber material
composites
factors for the success of biomaterial or implant?
properties and biocompatibility of the implant
health of the recipient
competency of the surgeon
name the def
mechanical properties of the material allow it to perform the fxn for which it is intended?
mechanical compatibiity
name the def
biomaterial must not produce an adverse effect on the tissue onto which it is implanted
recipient tissue must not have a detrimental effect on the performance of the biomaterial
biocompatibility
