ELECTROLYTIC PLASMA OXIDATION FOR APPLICATION IN IMPLANTABLE DEVICES

• DOI: https://doi.org/10.22533/at.ed.1594962429108

• Palavras-chave: Surface treatment, Dental implants, Titanium, PEO.

• Keywords: Surface treatment, Dental implants, Titanium, PEO.

• Abstract:

  Based on the constitutional principles of comprehensiveness and equity, it has become necessary to enable the incorporation of orthodontic procedures and dental implants for the population. Despite the implementation of a maximum of 6 implants per patient in dental specialty centers, the cost of surface treatment for implants is still high and has an impact on the final price for the industry. In order to solve this problem, the Plasma Electrolytic Oxidation (PEO) surface treatment method was used. This process is based on the generation of an ionized gas, through an electrochemical process, for the deposition of a ceramic layer on titanium. The SEM showed that the coatings were porous, with a well-adhered interface and no voids. The AFM images showed that with increasing treatment time there was greater roughness and increased homogeneity of the distribution of ceramic crystals on the surface. The wettability tests showed a smaller wetting angle for the PEO-treated samples. As a result of this technique, there was an improvement in the chemical and morphological quality of the surface, enhancing osseointegration and reducing the cost of treatment.It can be concluded that the Electrolytic Plasma Oxidation technique proved to be effective in depositing a ceramic coating, improving surface quality, reducing the cost of surface treatment and lowering the final value of the implant.