（National Engineering Research Center of Light Alloy Net Forming, Shanghai Jiao Tong University, Shanghai 200240, China）
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Abstract:
Biodegradable absorbent material in vivo is an important direction for the development of biological materials; and metal based biodegradable absorbent materials are of vital clinical value since metal material has preferable strength and plastic toughness. As metal material with closest biomechanical properties to those of human bone, magnesium has ideal biomechanical compatibility and its alloys have great application potential as biodegradable materials therefore. The advantages of magnesium based alloys as biodegradable implants are presented first. Then the early research history about biomagnesium is briefly reviewed; and current research progress and facing challenges of biomagnesium are introduced and summarized meanwhile. Finally, the future directions and research priorities of medical degradable magnesium based biomaterials are discussed.