ALLOPLASTIC MATERIALS IN PLASTIC SURGERY
ALLOPLASTIC MATERIALS IN PLASTIC SURGERY
ALLOPLASTIC MATERIALS IN PLASTIC SURGERY
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ע"<br />
שת/<br />
תבט/<br />
ד"<br />
י<br />
15<br />
POLYMERS<br />
Properties determined by<br />
• Chemical composition<br />
• Ester and amide links permit enzymatic<br />
degradation<br />
• Linear, branched and cross link – viscosity<br />
• Length of chain: low mwt – liquid<br />
increase mwt gel solid elastomer<br />
Polyethylene<br />
• Nonresorbable, synthetic, relatively LMWT<br />
• Manufactured in forms with increasing strength and<br />
stiffnes:<br />
low density – LDPE<br />
high density – HDPE<br />
ultrahigh density – UHDPE<br />
• Porous and woven forms allow fibrovascular ingrowth
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