In the United States, an estimated 120 million people are missing one or more teeth. Having gaps in your beam can make you feel self-conscious and uncomfortable smiling, laughing, or speaking in front of others. Dentures are an excellent solution for those missing several or all of their teeth. Though dentures can last an average of five to seven years, they will eventually need to be relined. Keep reading to learn what to expect during this process, types of relining, and signs that your restorations need it.