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.
Once researchers have completed a rigorous screening and preclinical testing process, the company files an Investigational New Drug (IND) application with the Food and Drug Administration (FDA) to allow the investigational drug to be tested in human volunteers in clinical trials.nce researchers have completed a rigorous screening and preclinical testing process, the company files an Investigational New Drug (IND) application with the Food and Drug Administration (FDA) to allow the investigational drug to be tested in human volunteers in clinical trials.