Tissue ScaffoldsBiodegradable PlasticsTissue EngineeringBiocompatible MaterialsPorosityPolyurethanesPolyestersMaterials TestingNanofibersPolyglycolic AcidAbsorbable ImplantsDecanoatesMicroscopy, Electron, ScanningPolymersBone RegenerationGuided Tissue RegenerationSilkBiomimetic MaterialsDurapatiteBone Substitutes