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Effect of a shot peening surface treatment on the cellular response to a nanostructured ceramic biomaterial within the ZrO2-CeO2-Al2O3 system for application in dental implantology

AuthorsGoyos, Lidia ; Prado, Catuxa ; Díaz, Luis A. ; Torrecillas, Ramón ; Rivera, Sergio
Issue Date2013
AbstractDental implants are in direct contact with hard and soft tissue simultaneously and, thus, they have to fulfill various requirements, most importantly: stability, non-toxicity and biocompatibility. Superficial properties are the most important for the biocompatibility of a material, as they increase bonebiomaterial contact and the biomechanical fixation in the short term after placing the implant. Shot peening consists on bombarding the surface of a material with small spherical projectiles at high speed via compressed air1. It allows for close control of parameters such as impact velocity, impact angle, mass flow of projectiles, type of projectile, percentage coverage and the properties of the material being bombarded2. It has already been used as a coating tool for biomedical implants and we have proven that it can be used as an abrasion technique to provide the ZrO2-CeO2-Al2O3 nanocomposite with an ideal surface for cell attachment, proliferation and differentiation.
DescriptionTrabajo presentado a la 25th European Conference on Biomaterials, celebrada en Madrid del 8 al 11 de septiembre de 2013.
Appears in Collections:(CINN) Comunicaciones congresos
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