Abstract
AbstractSummary: Guided bone regeneration was shown to be successful in vitro and in vivo using resorbable or nonresorbable materials. Resorbable material has the advantage of progressive substitution by bone. Resorbable polymers of ∝‐hydroxy acids like polylactide or polyglycolide are commonly used for tissue engineering and in guided bone regeneration. In clinical studies, guided bone regeneration was successful in non‐weight bearing bone, e.g. in dental surgery and craniofacial surgery. This paper reports the preliminary result of using resorbable poly(L/DL‐lactide) 80/20% scaffolds in weight bearing bone with infected large segmental defects as well as in small bony defects of hand due to benign tumour, bone graft donor sites and as an adjunct for joint fusion. Resorbable polylactide implants were used in the form of membranes, large 3‐D sponges, chips or as injectable paste. Implants were impregnated with marrow blood to add an osteoinductive component. Long‐term follow up revealed that these implants are promising candidates for bone graft substitutes.
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