A fixed dental bridge is the most traditional treatment for one or more lost teeth in a row. A bridge of prosthetic teeth fills the space and is held in place by bonding dental crowns to the adjacent teeth. A bridge is meant to provide long-lasting results. On average, a bridge will last about 10 to 15 years before needing to be replaced. Although it’s an effective treatment, dental bridge failure can occur. Here’s what you need to know to ensure your investment serves you for many years.