Influência do tratamento alcalino/térmico sobre o grau de molhabilidade de liga experimental Ti-30Ta

• Autor(a) principal: Rodrigues, Pedro Lima [UNESP]
• Data de Publicação: 2010
• Tipo de documento: Trabalho de conclusão de curso
• Idioma: por
• Título da fonte: Repositório Institucional da UNESP
• Texto Completo: http://hdl.handle.net/11449/149418; http://www.athena.biblioteca.unesp.br/exlibris/bd/capelo/2017-01-26/000851726.pdf
• topic: Titânio; Tensão superficial; Durapatita; Titanium

Thousands of implants are used worldwide to restore or restore the function of organs or missing teeth. A variety of implants available, since changes in format or in the materials can improve the success rate of these implants. Specifically, they should promote an acceleration in the normal healing process, resulting in a matrix interfacial composition and structure similar to bone, and adequate property biomechanics. Many studies have reported that the cellular and tissue implants is not only affected by their chemical properties but also by the topography or surface roughness of implants. It is widely accepted that four properties of surfaces control the events in the bone-implant interface: composition, energy, roughness and topography. However, regardless of the surface topography of titanium, the bioactivity of this area is not large enough to induce bone growth in a short period of time. We evaluated the degree of surface wettability of Ti-30 Ta after alkaline/heat treatment. Were made 20 discs of Ti-30Ta alloy with 13mm in diameter and 3 mm thick, divided into two groups, GI (control) and GII (alkaline / heat treatment). All specimens were taken Goniômetro300-F1 to read the contact angle. Results showed mean values of 82.1 + 0.72 for GI and 23.1+ 0.25 for GII. It is concluded that alkali treatment / heat allowed higher wettability and lower surface tension to the material