• Luca Signorini, Gaetano Marenzi, Anastasia Facente, Benedetta Marrelli, Rosa Maria Marano, Alessandra Valletta, Luciano Pacifici, Roberta Gasparro, Gilberto Sammartino, and Marco Severino.
• Saint Camillus University of Health Science, 00100 Rome, Italy.
• Int J Med Sci. 2023 Jan 1; 20 (12): 152715341527-1534.

AbstractBone Tissue Engineering (BTE) is a field of regenerative medicine continuously improving, thanks to the development of new biomaterials used as grafts or scaffolds for repairing bone defects. In recent years, chitosan, a natural biopolymer extracted mainly from crustacean shells, has demonstrated unique and desirable characteristics for BTE applications, such as: biocompatibility, biodegradability, and osteoconductive behavior. Additionally, the presence of numerous active amine groups in its chemical structure allows it to be easily modified. Data suggest that chitosan scaffolds are highly biomimetic, and show an interesting bioactivity, and antibacterial behavior. We have demonstrated, in a critical overview, how chitosan-based scaffolds may hold great interest for BTE applications in medical and dental applications. Future research should be focused on the use of chitosan-scaffolds combined with other biomaterials or bioactive molecules, to increase their overall regenerative potential, also in critical-sized defects. In conclusion, chitosan can be considered a promising biomaterial in BTE and clinical dentistry.© The author(s).

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