bridge

A structure spanning a gap or interval between two parts, which it thus connects. In dentistry, the adaptation of artificial crowns of teeth to adjacent teeth to fill the vacant space made by the lo of natural teeth. Bridges are fixed or immovable and are made of porcelain, gold, or gold with porcelain facing, b. of the nose. The prominent, upper portion of the external nose, formed by the nasal bones, b. of Varolius. See pons Varolii. intercellular b's. Slender proce es of cell substance connecting neighboring cells. Wheat stone's b. An apparatus for determining the resistance encountered by a galvanic current by comparing or balancing it with a known resistance. [Ang.-Sax., brycg.1