US Patent 7754115 Ceramic dental prosthesis, method and device for making same

A ceramo-ceramic dental prosthesis is made from a patient's negative mandibular impression, including at least one working cavity having an inner surface matching the lower surface of the prosthesis to be produced and left at least by one tooth primed by the dental surgeon to be prosthetized. The method of making the prosthesis includes a step of providing a single-unit wax model used for producing by precision casting a single-unit metal model on which is mounted, by the dental technician, a ceramic, the single-unit model having previously been coated with a stripping product to avoid the adherence of the ceramic on the metal single-unit model after the ceramic is cured on the single-unit metal model.