For a long time, patients who lost all the teeth in a jaw were very limited in their options. Dentures did a good job, but their disadvantages were widely known. They included the need to have new sets fit periodically, as well as restrictions on patient diets caused by the limits of the materials they were made from. Today, there is another option for patients, one that is permanent and comfortable, that looks like their natural smile. It even stimulates the jaw like natural teeth do. That option is all-on-4 dental implants.   What Makes All-on-4 Implants Different   For a long time, dental implants were used in place of bridge work, as a replacement for teeth when there were still at least a few left in the jaw. They worked great for this purpose because implants could replace a couple of teeth on an anchor, making it easy to place a few in spots around the jaw to fill in for missing teeth. Originally, it was deemed too invasive to try to place enough anchors for a total replacement of the tee ...