国家牙科和颅面研究所，NIH（National Institute of Dental and Craniofacial Research, NIH）,地址：美国,马里兰州；The National Institute of Dental and Craniofacial Research (NIDCR) is a branch of the U.S? National Institutes of Health? The institute aims to improve the oral, dental, and craniofacial health through research and the distribution of important health information to the American people。