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.
The OTC Bulletin Board (OTCBB) is only a listing of securities that are also traded over the counter similar to the OTC Markets. The OTCBB as an exchange was closed by owner FINRA. OTCBB companies are required to file timely reports to a U.S. regulatory agency.