These are beautiful denture model to show it to your patients. The patient will get exact idea how their 4 implant will be placed and snapfitted into the denture.

It is a model explaining the implants in mandible with a splinted silver bar

A splinted silver bar with a distal extension is recommended for patients with sensitive mucosa over the superficial mental foramina area. It also provide additional retention for enhanced prosthetic stability when this feature is at a premium for the patient, such as in the intransigent gagger.