New materials and technologies allow dentures to fit better than ever before. A good-fitting set of dentures should rest comfortably on your gums, only relying on suction to stay in place. However, if you have an upcoming speaking engagement or you plan to eat a juicy steak, a denture adhesive can provide more stability to prevent your teeth from moving around. Although it isn’t something you want to rely on, here’s how to use a denture adhesive when you need it.