(IMAGE) Tokyo Medical and Dental University Caption Band gap energies of the passive film on Ti are relatively small that is one factor generating the excellent biocompatibility. Credit Department of Metallic Biomaterials,TMDU Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.