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Materiale Plastice (Mater. Plast.), Year 2016, Volume 53, Issue 1, 91-94



Costin Coman, Doina Lucia Ghergic, Dan Nicolae Patroi, Mihail Tarcolea, Raluca Monica Comaneanu, Horia Mihail Barbu

Studiu comparativ al rezistentei la forte experimentale a restaurarilor proteice mixte


Abstract:
The oral cavity can be considered a complex biomechanical system. Most researches about oral environment’s biomechanics, related to restorative dentistry, endodontics, orthodontics, prosthodontics and implantology are conducted in vitro. Applying the principles of engineering in dentistry contribute significantly to understand aspects of oral biomechanics. We conducted comparative research by finite element method on mixed prosthetic restorations with metal frame of CoCr and NiCr, subjected to the same experimental occlusal loading to determine what type of metal substrate has a better biomechanical behavior.When applying forces in the frontal region, the area of weakness is, according to carried out analyzes, disto-incisal angle of the lateral incisor and at the application of forces in the lateral region, the most vulnerable is disto-palatal cusp of the second molar. Overall, for the particular case analyzed, it is recommended to make metal-ceramic prosthetic restoration with metal support of CoCr, which is less distorted and strained at the experimental application of masticatory forces, compared with metal-ceramic restoration made of NiCr.


Keywords:
FEA; occlusal loading; mixed prosthetic restorati

Issue: 2016 Volume 53, Issue 1
Pages: 91-94
Publication date: 2016/3/30
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