Rehabilitación de rebordes severamente atróficos mediante prótesis híbridas confeccionadas con tecnología de sinterización láser cromo-cobalto; reporte de caso
Natalia Marcus Vaccarezza , Francisco Marchesani Carrasco , Fernando Grandón Villegas , Blas Galdames Gutiérrez , Daniela Niklitschek Tapia , Leyla Millanao Caro
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引用次数: 0
Abstract
Implant-retained metal-acrylic hybrid prostheses provide a functional and aesthetic solution to rehabilitate severely atrophic complete arches, and are an alternative to more complex reconstructive surgeries. the prosthetic substructure must adjust passively on the implants. With the CAD-CAM technology, the manual design of the substructures, by lost wax, has been replaced by digital design. Laser sintering technology in the production of metal substructures has advantages, such as, decreased accumulation of errors, fabrication speed and design of complex geometry, according to the needs of the case.
Case report
Hybrid prostheses in the maxilla (8 implants) and jaw (Revitalize®) were planned in a patient with no teeth, using Co-Cr alloy substructures by laser sintering, which have similar long-term results as obtained with noble structures, but with lower cost and high predictability.
Conclusions
Hybrid prostheses with Co-Cr substructures using laser sintering could improve prognosis by incorporating CAD-CAM in their preparation to obtain fine adjustments.
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