Crowns may be temporary or permanent and may be made out of materials such as porcelain, resin, or metal. Dentures Dentures, removable replacements for missing teeth, come in two types: partial and complete dentures. Dental implants and bridges are suitable alternatives to dentures.
Investigational Drugs and Devices (IND/IDE) Overview. As defined by the Food and Drug Administration (FDA), an IND, or investigational new drug application, is a request for authorization from the FDA to administer an investigational drug or biological product to humans.
The Food and Drug Administration (FDA or USFDA) is a federal agency of the United States Department of Health and Human Services, one of the United States federal executive departments.n 1927, the Bureau of Chemistry's regulatory powers were reorganized under a new USDA body, the Food, Drug, and Insecticide organization. This name was shortened to the Food and Drug Administration (FDA) three years later.