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- W2985062423 abstract "Diseases of periodontal tissues are a considerable clinical problem, connected with inflammatory processes and bone loss. The healing process often requires reconstruction of lost bone in the periodontal area. For that purpose, various membranes are used to prevent ingrowth of epithelium in the tissue defect and enhance bone regeneration. Currently-used membranes are mainly non-resorbable or are derived from animal tissues. Thus, there is an urgent need for non-animal-derived bioresorbable membranes with tuned resorption rates and porosity optimized for the circulation of body nutrients. We demonstrate membranes produced by the electrospinning of biodegradable polymers (PDLLA/PLGA) coated with nanohydroxyapatite (nHA). The nHA coating was made using two methods: sonocoating and electrospraying of nHA suspensions. In a simulated degradation study, for electrosprayed membranes, short-term calcium release was observed, followed by hydrolytic degradation. Sonocoating produced a well-adhering nHA layer with full coverage of the fibers. The layer slowed the polymer degradation and increased the membrane wettability. Due to gradual release of calcium ions the degradation-associated acidity of the polymer was neutralized. The sonocoated membranes exhibited good cellular metabolic activity responses against MG-63 and BJ cells. The collected results suggest their potential use in Guided Tissue Regeneration (GTR) and Guided Bone Regeneration (GBR) periodontal procedures." @default.
- W2985062423 created "2019-11-22" @default.
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- W2985062423 date "2019-11-15" @default.
- W2985062423 modified "2023-10-06" @default.
- W2985062423 title "Polymer Membranes Sonocoated and Electrosprayed with Nano-Hydroxyapatite for Periodontal Tissues Regeneration" @default.
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- W2985062423 doi "https://doi.org/10.3390/nano9111625" @default.
- W2985062423 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/6915502" @default.
- W2985062423 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/31731775" @default.
- W2985062423 hasPublicationYear "2019" @default.
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