If you have one or more missing teeth, a dental bridge can fill the gap with one or more artificial (false) teeth. A bridge is typically made of crowns on either side of the missing tooth or teeth supporting the pontic (false tooth) and is cemented in place. The most common causes of missing teeth are tooth decay, gum disease and injury. Or you may have been born with missing teeth due to a congenital condition. To get a dental bridge, you need healthy teeth on either side of the missing ones.
The gradual leaching of crucial minerals (like calcium) from the tooth enamel, leaving it weaker.