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Biomimetic hybrid scaffolds for engineering human tooth-ligament interfaces.


ABSTRACT: A major clinical challenge in the reconstruction of large oral and craniofacial defects is the neogenesis of osseous and ligamentous interfacial structures. Currently, oral regenerative medicine strategies are unpredictable for repair of tooth-supporting tissues destroyed as a consequence of trauma, chronic infection or surgical resection. Here, we demonstrate multi-scale computational design and fabrication of composite hybrid polymeric scaffolds for targeted cell transplantation of genetically modified human cells for the formation of human tooth dentin-ligament-bone complexes in vivo. The newly-formed tissues demonstrate the interfacial generation of parallel- and obliquely-oriented fibers that grow and traverse within the polycaprolactone (PCL)-poly(glycolic acid) (PGA) designed constructs forming tooth cementum-like tissue, ligament, and bone structures. This approach offers potential for the clinical implementation of customized periodontal scaffolds that may enable regeneration of multi-tissue interfaces required for oral, dental and craniofacial engineering applications.

SUBMITTER: Park CH 

PROVIDER: S-EPMC2893240 | biostudies-literature | 2010 Aug

REPOSITORIES: biostudies-literature

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Biomimetic hybrid scaffolds for engineering human tooth-ligament interfaces.

Park Chan Ho CH   Rios Hector F HF   Jin Qiming Q   Bland Megan E ME   Flanagan Colleen L CL   Hollister Scott J SJ   Giannobile William V WV  

Biomaterials 20100514 23


A major clinical challenge in the reconstruction of large oral and craniofacial defects is the neogenesis of osseous and ligamentous interfacial structures. Currently, oral regenerative medicine strategies are unpredictable for repair of tooth-supporting tissues destroyed as a consequence of trauma, chronic infection or surgical resection. Here, we demonstrate multi-scale computational design and fabrication of composite hybrid polymeric scaffolds for targeted cell transplantation of genetically  ...[more]

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