Preface Introduction Early Works and the Way Bone Mineral was Conceived Synthesis of Nanocrystalline Apatites Characterization of Apatites A Model for Nanocrystalline Apatites Physico-Chemical Properties of Nanocrystalline Apatites Processing of Nanocrystalline Apatite-Based Biomaterials Biological Properties of Nanocrystalline Apatites Conclusion Index.