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Formation of Human Periodontal Ligament Cell Spheroids on Chitosan Films
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Novel potential scaffold for periodontal tissue engineering.

Raquel Osorio1, Camilo Andrés Alfonso-Rodríguez2, Estrella Osorio3

  • 1Research Institute IBS, Dental School, Colegio Máximo, University of Granada, Campus de Cartuja s/n, 18017, Granada, Spain. rosorio@ugr.es.

Clinical Oral Investigations
|February 20, 2017
PubMed
Summary

Novel calcium and zinc-loaded electrospun matrices show promise for periodontal regeneration. These zinc-loaded membranes support cell viability and promote mineral precipitation, indicating suitability for tissue repair.

Keywords:
CalciumNanopolymersRegenerationScaffoldsZinc

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Area of Science:

  • Biomaterials Science
  • Tissue Engineering
  • Periodontology

Background:

  • Periodontal regeneration requires advanced biomaterials that support cell growth and mimic natural tissue structures.
  • Current treatments face limitations in promoting effective tissue regrowth and integration.

Purpose of the Study:

  • To characterize novel calcium and zinc-loaded electrospun matrices for periodontal regeneration.
  • To evaluate the morphological, mechanical, and biological properties of these advanced scaffolds.

Main Methods:

  • Polymethylmethacrylate-based membranes were loaded with calcium or zinc.
  • Morphological analysis used atomic force and scanning electron microscopy.
  • Nanomechanical properties were assessed using a nanoindenter; cell viability was tested with oral mucosa fibroblasts.

Main Results:

  • Zinc and calcium loading enhanced nanomechanical properties and reduced nanoroughness without altering morphology.
  • Zinc-loaded matrices facilitated biomimetic calcium phosphate precipitation.
  • Matrices demonstrated non-toxicity to oral mucosa fibroblasts.

Conclusions:

  • Zinc-loaded membranes are non-toxic and promote essential mineral precipitation under physiological conditions.
  • The enhanced nanomechanical properties and scaffold architecture suggest suitability for cell proliferation.
  • These matrices offer a promising new strategy for periodontal regeneration due to their biocompatibility and ability to induce mineralization.