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Review
. 2012 Oct-Dec;2(4):271-7.
doi: 10.4161/biom.22948.

Biomaterials for periodontal regeneration: a review of ceramics and polymers

Li Shue  1 , Zhang Yufeng, Ullas Mony
Affiliations
Review

Biomaterials for periodontal regeneration: a review of ceramics and polymers

Li Shue et al. Biomatter. 2012 Oct-Dec.

Abstract

Periodontal disease is characterized by the destruction of periodontal tissues. Various methods of regenerative periodontal therapy, including the use of barrier membranes, bone replacement grafts, growth factors and the combination of these procedures have been investigated. The development of biomaterials for tissue engineering has considerably improved the available treatment options above. They fall into two broad classes: ceramics and polymers. The available ceramic-based materials include calcium phosphate (eg, tricalcium phosphate and hydroxyapatite), calcium sulfate and bioactive glass. The bioactive glass bonds to the bone with the formation of a layer of carbonated hydroxyapatite in situ. The natural polymers include modified polysaccharides (eg, chitosan,) and polypeptides (collagen and gelatin). Synthetic polymers [eg, poly(glycolic acid), poly(L-lactic acid)] provide a platform for exhibiting the biomechanical properties of scaffolds in tissue engineering. The materials usually work as osteogenic, osteoconductive and osteoinductive scaffolds. Polymers are more widely used as a barrier material in guided tissue regeneration (GTR). They are shown to exclude epithelial downgrowth and allow periodontal ligament and alveolar bone cells to repopulate the defect. An attempt to overcome the problems related to a collapse of the barrier membrane in GTR or epithelial downgrowth is the use of a combination of barrier membranes and grafting materials. This article reviews various biomaterials including scaffolds and membranes used for periodontal treatment and their impacts on the experimental or clinical management of periodontal defect.

Keywords: bioactive glass; calcium sulfate; chitosan; hydroxyapatite; periodontal regeneration; poly(lactic-co-glycolicacid); polylactic acid; tricalcium phosphate.

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