This volume summarizes recent developments in the use of new materials and technologies in healthcare. The emphasis is on new approaches that incorporate bioactive materials and scaffolds with cells in the emerging technologies of tissue engineering and regenerative medicine. The incorporation of nanotechnology, stem cells, and gene control of cells is included in the current research discussed. Clinical applications are described throughout the volume, along with economic and bioethics issues. The chapters are organized into four sections of clinical needs and an overview that summarizes the