A bridge is made up of two crowns one on each tooth on either side of the gap -- these two anchoring teeth are called abutment teeth -- and a false tooth/teeth in between. These false teeth are called pontics and can be made from gold, alloys, porcelain or a combination of these materials.
Over the Counter Medications. Drugs that are safe and effective for use by the general public without a prescription are defined as over-the-counter (OTC) drugs.
Medical Definition of OTC (over-the-counter) OTC (over-the-counter): Available without a prescription. OTC drugs are available without a prescription, simply over the counter.. OTC drugs are in contrast to prescription drugs that require a doctor's order. Last Editorial Review: 6/9/2016.