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Microenvironments

Microenvironments

Microorganisms inhabit highly localized spaces known as microenvironments, which are defined by distinct physical and chemical characteristics. These include oxygen concentration, pH, temperature, light availability, and nutrient levels. The conditions within a microenvironment can differ markedly from those in the surrounding area and significantly influence microbial growth, metabolism, and community structure.Microenvironments often display sharp physicochemical gradients over small spatial...

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A Multi-Cue Bioreactor to Evaluate the Inflammatory and Regenerative Capacity of Biomaterials under Flow and Stretch

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Biomimetic microenvironments for regenerative endodontics.

Sagar N Kaushik¹, Bogeun Kim¹, Alexander M Cruz Walma¹

¹Department of Biomedical Engineering, University of Alabama at Birmingham, Birmingham, USA.

Biomaterials Research

|June 4, 2016

Summary

Regenerative endodontics aims to restore damaged teeth using biomimetic microenvironments. This approach utilizes scaffolds, stem cells, and signaling molecules to regenerate pulp-dentin tissue, overcoming current limitations in dental repair.

Keywords:

Biomimetic microenvironments Extracellular matrix Pulp-dentin tissue Regenerative endodontics Revascularization Tissue engineering

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Area of Science:

Biomaterials Science
Regenerative Medicine
Endodontics

Background:

Regenerative endodontics seeks to repair damaged teeth by recreating natural pulp-dentin tissue.
Current treatments face challenges including bacterial biofilms, tooth discoloration, and incomplete root development.
Limited success in pulp-dentin tissue regeneration necessitates novel approaches.

Purpose of the Study:

To review the development and application of biomimetic microenvironments for regenerative endodontics.
To highlight the potential of nano-scaled polymeric fiber structures as scaffolds for pulp-dentin tissue engineering.
To discuss strategies for overcoming key challenges in current regenerative endodontic therapies.

Main Methods:

Review of current literature on regenerative endodontics and biomimetic scaffolds.
Focus on synthetic nano-scaled polymeric fiber structures mimicking native pulp extracellular matrix (ECM).
Discussion of fabrication methods (self-assembly, electrospinning, phase separation) and required material properties (biocompatibility, stability, biodegradability).

Main Results:

Biomimetic microenvironments, constructed from polymeric nanofibers, can mimic native pulp ECM.
These scaffolds can serve as a framework, deliver bioactive molecules, and recruit stem cells.
Advancements in scaffold design are crucial for improving clinical success rates in regenerative endodontics.

Conclusions:

Biomimetic microenvironments are key to tissue engineering-based regenerative endodontics.
Polymeric nanofibers offer a promising scaffold material for pulp-dentin tissue regeneration.
Further development of these biomimetic strategies is essential for advancing regenerative endodontic treatments.