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.
Offshore Technology Conference. Offshore Technology Conference (OTC) is a conference and exhibition, focused on the development of offshore energy resources, primarily oil and natural gas. It was started in 1969 and is held annually during the first week of May at Reliant Park in Houston, Texas, USA. Background OTC is the largest oil and gas sector trade show in the world.