Tired of having loose dentures? Implant-supported dentures in Tracy, CA, provide a permanent solution for natural chewing and confidence. Schedule a visit. These are also known as implant supported dentures and are typically used when there are no teeth in the upper jaw but have sufficient jaw bones that can hold and support the dental implants. Once fixed they cannot be replaced as they are inserted into the jaw bone. They use the dental implants to stay put. They provide a boost of confidence, chewing ability and speech.