Encontrados 4 documentos, a visualizar página 1 de 1
Corrosion behaviour of titanium in the presence of Streptococcus mutans
Souza, J. C. M.; Ponthiaux, Pierre; Henriques, Mariana; Oliveira, Rosário; Teughels, W.; Celis, J. P.; Rocha, L. A.Objective The main aim of this in vitro study was to evaluate the influence of Streptococcus mutans on the corrosion of titanium. Methods S. mutans biofilms were formed on commercially pure titanium (CP-Ti) square samples (10 mm × 10 mm × 1 mm) using a culture medium enriched with sucrose. Open circuit potential (OCP) and electrochemical impedance spectroscopy (EIS) measurements were used to evaluate the cor...
Effect of oral biofilms on the biotribocorrosion of titanium
Souza, J. C. M.; Ariza, E.; Henriques, Mariana; Oliveira, Rosário; Teughels, W.; Rocha, L. A.; Celis, J. P.The oral cavity is a complex environment where corrosive substances from dietary, human saliva and oral biofilms may accumulate in retentive areas of implant-supported prostheses promoting a corrosion of their surfaces. On the other side, during mastication, micro-movements may occur in artificial joints causing a relative contact motion between surfaces. Both processes result in a tribocorrosion system. The ob...
Wear and corrosion of titanium in oral simulating environments
Souza, J. C. M.; Ariza, E.; Henriques, Mariana; Oliveira, Rosário; Teughels, W.; Rocha, L. A.; Celis, J. P.The oral cavity can be considered as an aggressive environment to restorative materials considering that several acidic substances can be retained in the saliva and biofilms as well as loads from mastication and abrasive particles take place in the wear of oral surfaces. The objective of this work is to investigate the in-vitro corrosion and wear in fluoridated artificial saliva and in presence of biofilms. Ele...
Biotribocorrosion behavior of titanium in the presence of biofilms
Souza, J. C. M.; Ariza, E.; Henriques, Mariana; Oliveira, Rosário; Teughels, W.; Rocha, L. A.; Celis, J. P.In the oral cavity, restorative surfaces such as of titanium-based implant systems are in contact with several acidic substances originated from dietary intake and microbial metabolism. During the mastication, a simultaneous corrosion-wear process known by Biotribocorrosion can take place on the surfaces which are in relative contact motion. The objective of this work is to investigate the in-vitro simultaneous...
| Financiadores do RCAAP | |||||||
|
|
|
|
|
|
||