Abstract

Background:Recent advances in developing biocompatible materials for treating bone loss or defects have dramatically changed clinicians’ reconstructive armory. Current clinically available reconstructive options have certain advantages, but also several drawbacks that prevent them from gaining universal acceptance. A wide range of synthetic and natural biomaterials is being used to develop tissue-engineered bone. Many of these materials are currently in the clinical trial stage.Methods:A selective literature review was performed for carbon nanostructure composites in bone tissue engineering.Results:Incorporation of carbon nanostructures significantly improves the mechanical properties of various biomaterials to mimic that of natural bone. Recently, carbon-modified biomaterials for bone tissue engineering have been extensively investigated to potentially revolutionize biomaterials for bone regeneration.Conclusion:This review summarizes the chemical and biophysical properties of carbon nanostructures and discusses their functionality in bone tissue regeneration.

Highlights

  • A large clinical need exists for bone reconstruction, including underlying conditions and causes such as high-energy trauma, tissue degeneration, infection, and developmental deformities [1]

  • A selective literature review was performed for carbon nanostructure composites in bone tissue engineering

  • Incorporation of carbon nanostructures significantly improves the mechanical properties of various biomaterials to mimic that of natural bone

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Summary

Background

Recent advances in developing biocompatible materials for treating bone loss or defects have dramatically changed clinicians’ reconstructive armory. Current clinically available reconstructive options have certain advantages, and several drawbacks that prevent them from gaining universal acceptance. A wide range of synthetic and natural biomaterials is being used to develop tissueengineered bone. Many of these materials are currently in the clinical trial stage

Results
INTRODUCTION
BONE RECONSTRUCTION
Biomaterials in Bone Tissue Engineering
Advances in Materials for Bone Tissue Engineering
CARBON NANOSTRUCTURE COMPOSITES
Carbon Nanostructures
Carbon Nanostructure-polymer Composites
Carbon Nanostructure-ceramic Composites
Carbon Nanostructure-polymer-ceramic Composites
Effectiveness of Carbon Nanostructures in Bone Tissue
TOXICITY OF CARBON NANOSTRUCTURES
Biodistribution and Biodurability
Cytotoxicity
In Vivo Toxicity
Human Exposure Toxicity
CONCLUSION
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