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Importance of the Casting Process. Comparative Survey of the Commonly Used Ni-Cr Dental Alloys

Mobile or fixed dental prostheses are a common and important part of life. Many noble metal-based alloys have been used in prosthodontics, and they need a correct evaluation of their technical, biological, and clinical properties. The present study proposes a new approach for the manufacturing proce...

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Bibliographic Details
Published in:Particulate science and technology 2013-11, Vol.31 (6), p.663-667
Main Authors: Gatin, E., Luculescu, C., Birjega, R., Barna, E.
Format: Article
Language:English
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Summary:Mobile or fixed dental prostheses are a common and important part of life. Many noble metal-based alloys have been used in prosthodontics, and they need a correct evaluation of their technical, biological, and clinical properties. The present study proposes a new approach for the manufacturing process. We emphasize the key role of each step for combined process of heating, casting and spin for completing works of Ni-Cr alloys with improved physical-chemical properties, as a protocol for quality of the obtained physiognomic dental restorations. The differences in composition distribution between cast and raw materials were investigated by energy dispersive x-ray spectroscopy (EDX), while the surface morphology was inspected by scanning electron microscopy (SEM). Important aspects related to crystal lattice were revealed through the x-ray diffraction (XRD) method and they are closely related to the centrifugal casting process.
ISSN:0272-6351
1548-0046
DOI:10.1080/02726351.2013.785452