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Revista de Ciencias Biomédicas

  • ISSN: 2254-609X
  • Índice h de la revista: 15
  • Puntuación de cita de revista: 5.60
  • Factor de impacto de la revista: 4.85
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Abstracto

An In-Vitro Study, the Effect of Saliva on Structure, Surface Properties and Microbial Adhesion on Ni-Cr based Dental Alloy

Abu Bakr El-Bediwi and Thoraya El-Helaly

Internal structure (phases and solubility atoms) for Ni63Cr24.6Mo10.77Si1.50Mn0.03C0.01 alloy is changed after aging (stored) in saliva for a different time. Vickers hardness, maximum shear stress (m) and roughness parameters values for Ni-Cr based alloy are increased after aging in saliva. Microbiological investigation shows the Candida spp. stuck on the surface of Ni-Cr based dental alloy which reached the maximum value at four weeks. That is meant the growth of it dependent on aging time.