When a tooth is lost, the surrounding teeth could shift causing a change in your bite which may result in sore jaws, gum disease or decay. Therefore, it is essential to have a replacement tooth inserted. Bridges offer this kind of replacement. A dental bridge consists of a false tooth which is fused between two porcelain crowns to fill in the area left by a missing tooth. The two crowns holding it in place that are attached onto your teeth on each side of the false tooth. This procedure is used to replace one or more missing teeth.