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.
Active ingredients are the substances in drugs that are responsible for the beneficial health effects experienced by consumers. The active ingredient in a pharmaceutical drug is called an active pharmaceutical ingredient (API). An example of an API is the acetaminophen contained in a pain relief tablet. The active ingredient in a biological drug is called a bulk process intermediate (BPI).