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Biological Compatibility Profile on Biomaterials for Bone Regeneration
Published on: November 16, 2018
Periodontal regeneration using a bilayered PLGA/calcium phosphate construct.
Emily C Carlo Reis1, Andréa P B Borges, Michel V F Araújo
1Departamento de Veterinária, Universidade Federal de Viçosa, Campus Universitário s/n, Viçosa, Minas Gerais, CEP 36570-000, Brazil.
Biomaterials
|September 3, 2011
Summary
This study introduces a novel bilayered biomaterial for periodontal regeneration. The construct significantly enhanced bone formation and tissue regeneration in canine models of periodontal disease.
Area of Science:
- Biomaterials Science
- Periodontology
- Regenerative Medicine
Background:
- Periodontal disease causes complex tissue damage, including bone, cementum, and ligament loss.
- Current treatments often struggle with complete periodontal tissue regeneration.
Purpose of the Study:
- To evaluate a novel semi-rigid polylactide-co-glycolide acid (PLGA)/calcium phosphate (CaP) bilayered biomaterial for promoting periodontal regeneration.
- To compare the efficacy of this construct against periodontal prophylaxis alone in treating class II furcation defects.
Main Methods:
- A canine model with class II furcation defects was used.
- Treatments compared: periodontal prophylaxis alone vs. prophylaxis plus biomaterial implantation.
- Evaluation methods included clinical assessment, micro-computed tomography, histology, and backscattered electron imaging.
Main Results:
- The bilayered biomaterial group showed significantly greater bone volume, trabecular number, and thickness compared to the control group.
- The biomaterial construct did not collapse into the defect and retained the blood clot.
- Complete periodontal regeneration, including new cementum, bone, and ligament with Sharpey fibers, was observed only in the treated group.
Conclusions:
- The developed PLGA/CaP bilayered biomaterial effectively promotes significant periodontal regeneration.
- Its semi-rigid structure and clot-retaining capability offer advantages over traditional flexible membranes for treating periodontal defects.
