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Abstract Zirconium oxide (ZrO 2 ) is the general material in dental area, with natural color, high toughness and strength. Recent years, small blocks of ZrO 2 such as micro/nano powders have been studied and developed widely. Nano scale ZrO 2 , which show simproved mechanical characteristics and superior biocompatibility, are usually incorporated into different applications used in dentistry and tissue engineering. This review provides an overview of nano-ZrO 2 materials and its applications in dentistry. The synthesis of nano-ZrO 2 powders were mainly prepared by coprecipitation, hydrothermal method and sol-gel method. Then different applications of nano-ZrO 2 biomaterials in dental ceramics, implants, radio pacifying agents, basement and tissue engineering fields were briefly introduced.
Hu et al. (Wed,) studied this question.