Hydroxyapatite-Based Natural Biopolymer Composite for Tissue Regeneration.

Area of Science:

• Biomaterials Science
• Materials Engineering
• Biomedical Engineering

Background:

• Hydroxyapatite (HAp) polymer composites are crucial for bone regeneration and dental implants.
• HAp properties are influenced by precursor materials, often sourced from natural calcium-rich materials.
• Biopolymers and metallic implants enhance stability and biocompatibility in composite applications.

Purpose of the Study:

• To review the synthesis, properties, and applications of HAp composites.
• To highlight various manufacturing methods for HAp.
• To explore the use of biowaste materials for sustainable HAp production.

Main Methods:

• Review of synthesis techniques including wet, dry, hydrothermal, and sol-gel processes.
• Analysis of composite material properties (e.g., cellulose-HAp, gelatin-HAp).
• Examination of scaffold fabrication using biopolymers like chitosan and alginate with HAp.

Main Results:

• HAp composites exhibit promising strength and biocompatibility for bone and tissue replacement.
• Biowaste materials offer a sustainable route for HAp production, reducing environmental impact.
• Various synthesis methods yield HAp crystals suitable for bone repair and regeneration.

Conclusions:

• HAp composites demonstrate significant potential in biomedical engineering for bone healing and tissue replacement.
• Understanding Ca-P compound properties and processing is key for scaffold development.
• HAp composites offer versatile solutions for advancing medical practices in bone regeneration.