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Matrices and scaffolds for drug delivery in dental, oral and craniofacial tissue engineering.

Moioli EK, Clark PA, Xin X, Lal S, Mao JJ

Columbia University, Tissue Engineering and Regenerative Medicine Laboratory (TERML), College of Dental Medicine, Fu Foundation School of Engineering and Applied Sciences, Department of Biomedical Engineering, New York, NY 10032, USA.

Current treatments for diseases and trauma of dental, oral and craniofacial (DOC) structures rely on durable materials such as amalgam and synthetic materials, or autologous tissue grafts. A paradigm shift has taken place to utilize tissue engineering and drug delivery approaches towards the regeneration of these structures. Several prototypes of DOC structures have been regenerated such as temporomandibular joint (TMJ) condyle, cranial sutures, tooth structures and periodontium components. However, many challenges remain when taking in consideration the high demand for esthetics of DOC structures, the complex environment and yet minimal scar formation in the oral cavity, and the need for accommodating multiple tissue phenotypes. This review highlights recent advances in the regeneration of DOC structures, including the tooth, periodontium, TMJ, cranial sutures and implant dentistry, with specific emphasis on controlled release of signaling cues for stem cells, biomaterial matrices and scaffolds, and integrated tissue engineering approaches.

Published 12 June 2007 in Adv Drug Deliv Rev, 59(4): 308-24.
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