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Xircon Ultra uses modern technology combining materials that have a long track record of both beauty and durability, these are used by a large number of facilities around the country. Most full arch bridges (All on 4/6) are made using a titanium bar covered with PMMA (Acrylic). The other option is Monolithic Zirconia (the whole bridge is milled out of one piece of Zirconia), the issue with these options is that the PMMA is not durable enough and it tends to stain overtime, and the Zirconia usually is stiff, heavy, and when it breaks it is not repairable, thus causing the patient to have to pay for a whole new appliance. Also, it is much more difficult to achieve high end esthetics (due to less translucency) with those options.Xircon Ultra uses advanced polymers as a base instead. These polymers are lightweight, strong, biocompatible, easily maintained, do not stain, and have a similar flexure to that of natural bone. These polymers have been used for many years by orthopedic surgeons to fabricate prosthetics, due to its bone-like properties and bio-compatibility. Also, the density of these polymers is very close to that of dentin (the natural materials that make up your natural teeth), thus the result is a perfect balance between structural rigidity, beautiful natural look, and comfort.
Zirconia is a go to material for a full arch restorations, nowadays. This material is very popular because it's ease of fabrication (CAD-CAM) and it provides strength and esthetics without utilizing metal base. However, not all cases warrants the use of this material, especially if there isn't enough space available to meet the thickness specification for the material. Not meeting the specification parameters for the material can lead to breakage and failure.Also the esthetics of the materials heavily depends on the skill level of technician. When it comes to selecting the ideal material for a full arch, it's important that the doctor can guide you through different materials for each individual. There are many materials available to provide longevity and the ultimate esthetics.
Hello. Permanent prostheses of All-on-4 system are mostly made of 3 materials.1-Acrylic: The lightest one but prone to stain and fractures. Mostly used for immediate temporary prosthesis.2-Zirconia: It's a kind of metal which has to be made thick enough to avoid fracture. Despite its aesthetic...
A common step with All on Four is to reduce bone levels to hide what is called a "transition line". If this step is skipped, then when smiling, others can see where the restoration ends and the gum tissues begin. While this may seem extreme, this creates a situation that is more hygienic and...
Age is not the main issue in my opinion. However, your teeth in upper arch are worth to treat and save. Because you have a good bone support around your most upper teeth. There may be sinus lift and implant treament at edentulous spaces.
