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Related Concept Videos

Bone Remodeling01:40

Bone Remodeling

Bone remodeling is a continuous and balanced process of bone resorption by osteoclasts and bone formation by osteoblasts. In adults, it helps maintain bone mass and calcium homeostasis. While mechanical stress can stimulate turnover as part of the normal maintenance and reparative process, several hormones also regulate bone remodeling.

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Engineering a Bioactive PMMA-Silica Hybrid Scaffold for Enhanced Bone Regeneration.

Susaritha Ramanathan1, Yu-Chien Lin2, Huey-Yuan Wang3

  • 1Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei 10608, Taiwan.

ACS Applied Bio Materials
|March 3, 2026
PubMed
Summary

This study developed a novel PMMA-silica hybrid scaffold for bone tissue engineering. The enhanced scaffold shows significant potential for improving bone regeneration and osseointegration in bone repair applications.

Keywords:
biocompatibilitybone regenerationhybrid materialsosseointegrationpoly(methyl methacrylate) (PMMA)

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Area of Science:

  • Biomaterials Science
  • Tissue Engineering
  • Orthopedic Surgery

Background:

  • Bone health is vital for mobility, but bone defects often require grafts.
  • Bone tissue engineering (BTE) offers a promising alternative to traditional bone grafts.
  • Poly(methyl methacrylate) (PMMA) has limitations in bioactivity and osseointegration for bone repair.

Purpose of the Study:

  • To develop a bioactive PMMA-silica hybrid scaffold for enhanced bone regeneration.
  • To improve the bioactivity and osseointegration of PMMA-based materials.
  • To evaluate the efficacy of the hybrid scaffold in vitro and in vivo.

Main Methods:

  • Synthesized a PMMA-silica hybrid scaffold using TEOS and GPTMS.
  • Conducted in vitro studies on cell proliferation, adhesion, and differentiation.
  • Performed in vivo bone regeneration assessment in a rat calvarial defect model over 12 weeks.

Main Results:

  • The PMMA-silica hybrid scaffold demonstrated enhanced cell adhesion and proliferation.
  • In vivo studies showed effective bone regeneration in the calvarial defect model.
  • The hybrid scaffold promoted better integration with bone tissue compared to pure PMMA.

Conclusions:

  • The developed PMMA-silica hybrid scaffold shows significant potential for bone tissue engineering.
  • This material combines mechanical stability with improved biological performance for bone repair.
  • The scaffold represents a promising advancement in regenerative medicine for orthopedic applications.