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"All on Four" treatments are best suited to patients with no upper or lower teeth. Four implants placed in the mandible can support an entire set of new teeth, fixed to the implants and non-removable by the patient.
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CAD design allows precise input of the implant and tissue position into the computer for milling a strong one-piece framework.
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Since a patient who is missing all of their teeth has typically lost gum and bone in large amounts, the missing teeth, gum and bone structure are replaced with one prosthetic device5Here you can see where the "hybrid" prosthesis attaches to the implants.
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The Dentist can then attach the prosthesis to the implants with four screws and fill the openings with a tooth colored filling material.