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Type: Artigo
Title: Is There Scientific Evidence Favoring The Substitution Of Commercially Pure Titanium With Titanium Alloys For The Manufacture Of Dental Implants?
Author: Cordeiro
Jairo M.; Barao
Valentim A. R.
Abstract: The development of Ti alloys to manufacture dental implants has emerged in recent years due to the increased failure of commercially pure titanium (cpTi) implants. Thus, this study reviews existing information about the mechanical, chemical, electrochemical, and biological properties of the main Ti alloys developed over the past few years to provide scientific evidence in favor of using Ti-based alloys as alternative to cpTi. Ti alloys may be considered viable substitutes in the fabrication of dental:implants. Such evidence is given by the enhanced properties of alloys, such as a low elastic modulus, high tensile strength, satisfactory biocompatibility, and good corrosion and wear resistances. In addition, Ti alloys may be modified at the structural, chemical, and thermomechanical levels, which allows the development of materials in accordance with the demands of several situations encountered in clinical practice. Although several in vitro studies have established the superiority of Ti alloys over cpTi, mainly in terms of their mechanical properties, there is no scientific evidence that supports the total replacement of this material in vivo. This review demonstrates the superiority of (3-type alloys. However, it is evident that in vivo studies are encouraged to test new alloys to consolidate their use as substitutes for cpTi. (C) 2016 Elsevier B.V. All rights reserved.
Subject: Titanium
Titanium Alloys
Dental Implants
Editor: Elsevier Science BV
Rights: fechado
Identifier DOI: 10.1016/j.msec.2016.10.025
Date Issue: 2017
Appears in Collections:Unicamp - Artigos e Outros Documentos

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