Evaluating Osteogenic Cell Differentiation Efficacy in the Presence of Polylactide Samples With Varied Compositions for Bone Grafting: In Vitro Study.
J Oral Implantol
; 50(5): 544-551, 2024 Oct 01.
Article
in En
| MEDLINE
| ID: mdl-39140139
ABSTRACT
In oral implantology, surgeons often confront the need to improve alveolar bone quality and volume before implantation in patients with bone defects. Whereas guided bone regeneration with titanium meshes is a clinical gold standard for bone augmentation, mesh removal pre-implantation presents a drawback. This study explores biodegradable scaffolds as an alternative. The research investigates the impact of various compositions of customized bone-grafting scaffolds on proliferation and osteogenic differentiation processes in vitro. Plates (10 × 10 × 0.5 mm) were fabricated from polylactide (PLA), PLA with 15% hydroxyapatite nanoparticles (PLA/HA), and polylactide with glycolic acid copolymers (PLGA 6040 and 8515). Gingival fibroblasts assessed the influence of experimental samples on proliferation and osteogenic differentiation in a low-glucose medium. Osteogenic differentiation was induced, and alizarin red staining measured extracellular matrix calcification via spectrophotometry. Active proliferation of gingival fibroblasts occurred along scaffold edges during cultivation. Although cells proliferated with experimental samples, rates were lower than control cells. PLA/HA showed higher alizarin red staining intensity, indicating enhanced matrix calcification. Experimental samples (PLA, PLA/HA, PLGA 8515, PLGA 6040) supported cell proliferation at lower rates than control. PLA/HA demonstrated increased matrix calcification. Biodegradable membranes were nontoxic, suggesting potential for bone augmentation.
Key words
Full text:
1
Collection:
01-internacional
Database:
MEDLINE
Main subject:
Osteogenesis
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Polyesters
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Cell Differentiation
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Cell Proliferation
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Tissue Scaffolds
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Fibroblasts
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Gingiva
Limits:
Humans
Language:
En
Journal:
J Oral Implantol
/
J. oral implantol
/
Journal of oral implantology
Year:
2024
Document type:
Article
Country of publication:
United States