Avaliação física e radiográfica de biomateriais usados para regeneração óssea

• Autor(a) principal: Corbi, Samara Cruz Tfaile [UNESP]
• Data de Publicação: 2010
• Outros Autores: Spin-Neto, Rubens [UNESP], Marcantonio Júnior, Elcio [UNESP], Marcantonio, Rosemary Adriana Chierici [UNESP]
• Tipo de documento: Artigo
• Idioma: por
• Título da fonte: Repositório Institucional da UNESP
• Texto Completo: http://www.revodontolunesp.com.br/article/51ae4aa51ef1faca3d00344e; http://hdl.handle.net/11449/125593
• topic: Biomaterials; Bone grafts; Physical characteristics; Radiographic evaluation; Biomateriais; Enxertos ósseos; Características físicas; Avaliação radiográfica

The search for new alternatives used in bone regeneration pushes the biomaterials development, and characteristics such as form, superficial roughness and size, allied to the radiographic bone density of those biomaterials can influence their clinical use. The objective of this study was to evaluate the shape, the size, the superficial aspects and the radiographic density of some of the most used bone-regenerating biomaterials grains. Radiographic results showed that all evaluated biomaterials had statistically equal radiographic densities, but all of them were higher than the radiographic bone density of rats calvaria, which is the region normally used for its test. On the physical analysis, β-TCP and HAP showed the higher superficial roughness, while the grains diameter and area showed heterogeneous results, with the lyophilized bovine bone showing the higher measures. Based on the results, it is concluded that the tested biomaterials presented higher radiographic density than the region where they are normally applied, and that significant differences in the shape, size and surface roughness could be seen, characteristics which can interfere in their clinical performance.