Current Approaches to Bone Tissue Engineering: The Interface between Biology and Engineering

Abstract

The successful regeneration of bone tissue to replace areas of bone loss in large defects or at load-bearing sites remains a significant clinical challenge. Over the past few decades, major progress is achieved in the field of bone tissue engineering to provide alternative therapies, particularly through approaches that are at the interface of biology and engineering. To satisfy the diverse regenerative requirements of bone tissue, the field moves toward highly integrated approaches incorporating the knowledge and techniques from multiple disciplines, and typically involves the use of biomaterials as an essential element for supporting or inducing bone regeneration. This review summarizes the types of approaches currently used in bone tissue engineering, beginning with those primarily based on biology or engineering, and moving into integrated approaches in the areas of biomaterial developments, biomimetic design, and scalable methods for treating large or load-bearing bone defects, while highlighting potential areas for collaboration and providing an outlook on future developments.

Bone tissue engineering is a multidisciplinary field that combines the approaches from biology and engineering to produce optimized tissue constructs for the clinical treatment of challenging bone defects. This review discusses the recent exciting developments in bone tissue engineering and highlights the collaboration among different disciplines.

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