Biomaterials for dental implants: current and future trends

Duraccio, Donatella; Mussano, Federico; Faga, Maria Giulia

doi:10.1007/s10853-015-9056-3

Cited by 205 publications

(115 citation statements)

References 322 publications

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“…The main route adopted by research and industry to enhance osseointegration has traditionally entailed roughening techniques [4,5], with good outcomes in terms of bone to implant interlock. Common roughening techniques-usually subtractive-are based on mechanical (grit blasting), chemical (acid or alkaline etch), electrochemical (anodization) and physical methods (plasma spray) [6].…”

Section: Introductionmentioning

confidence: 99%

Surface Treatments and Functional Coatings for Biocompatibility Improvement and Bacterial Adhesion Reduction in Dental Implantology

et al. 2016

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Surface modification of dental implants is a key process in the production of these medical devices, and especially titanium implants used in the dental practice are commonly subjected to surface modification processes before their clinical use. A wide range of treatments, such as sand blasting, acid etching, plasma etching, plasma spray deposition, sputtering deposition and cathodic arc deposition, have been studied over the years in order to improve the performance of dental implants. Improving or accelerating the osseointegration process is usually the main goal of these surface processes, but the improvement of biocompatibility and the prevention of bacterial adhesion are also of considerable importance. In this review, we report on the research of the recent years in the field of surface treatments and coatings deposition for the improvement of dental implants performance, with a main focus on the osseointegration acceleration, the reduction of bacterial adhesion and the improvement of biocompatibility.

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Section: Introductionmentioning

confidence: 99%

Surface Treatments and Functional Coatings for Biocompatibility Improvement and Bacterial Adhesion Reduction in Dental Implantology

et al. 2016

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“…All three coating methods yield ultrathin layers of the coating material on the substrate with a homogeneous thickness [48], [49]. The e-beam deposition of titanium on PEEK, for example, improved in vitro cellular responses, cell attachment, proliferation and osteoblastic differentiation [49], [50]. The PLD of 1D-alumina nanostructures also seems to be able to improve the biocompatibility of PEEK [48].…”

Section: Coatingmentioning

confidence: 99%

Functionalization of polyethetherketone for application in dentistry and orthopedics

et al. 2017

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Abstract:Since late 1990s, polyetheretherketone (PEEK) has presented a promising polymeric alternative to metal implant components, particularly in orthopedic and traumatic applications. However, PEEK is biologically inert, which has constrained its potential applications. In this manner, enhancing the bioactivity of PEEK is a huge challenge that must be comprehended to completely understand the potential advantages. Up to now, two noteworthy methodologies are discussed to enhance the bioactivity of PEEK, including bulk and surface modification. Although the latter is extremely challenging due to the very high physical and chemical stability of the high performance polymer, there are some stated modification reactions in the literature, which will be collocated with in the literature-reported PEEK composites in the present article. We will furthermore add information on polymer-based drug delivery systems and the biofunctionalization of polymers in general and discuss their applicability for PEEK, as we estimate that these strategies will gain greater attention in the future. At the end of the article, our own research on the development of a PEEK-associated biodegradable drug-delivery system with potential application in dentistry or orthopedics will be highlighted.

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“…La primera generación estaban mecanizados para coincidir con las propiedades físicas del tejido al que sustituyen, con baja toxicidad y siendo biológicamente inertes. El implante debe de ser capaz de distribuir las fuerzas, de forma homogénea, en el tejido óseo circundante (Duraccio et al, 2015). Los implantes dentales en su diseño presentan una rosca, cuyo objetivo es transferir la carga a la mandíbula y proporcionar un anclaje mecánico para su estabilización en el hueso receptor.…”

Section: Evolución De Los Biomaterialesunclassified

“…Entre los primeros tratamientos superficiales empleados para obtener recubrimientos o modificar la rugosidad se pueden citar el plasma espray, el arenado, el tratamiento ácido y el sinterizado de polvos esféricos (Duraccio et al, 2015). Estos recubrimientos mejoran el crecimiento del hueso y afianzan el implante, si se compara con un implante sin tratamiento.…”

Section: Tratamientos Superficialesunclassified

Desarrollo de las aleaciones de titanio y tratamientos superficiales para incrementar la vida útil de los implantes

et al. 2016

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RESUMEN:El envejecimiento de la población junto con el incremento de la esperanza de vida, obligan al desarrollo de prótesis que presenten un periodo de vida útil cada vez mayor. El éxito clínico de los implantes está basado en la consecución de la osteointegración. Por lo tanto, las prótesis metálicas necesitan disponer de una compatibilidad mecánica con el hueso que sustituyen, que se consigue mediante una combinación de bajo módulo elástico, alta resistencia a la rotura y a fatiga. La mejora, a corto y largo plazo, de la osteointegración es función de múltiples factores, de entre los cuales son de gran importancia su diseño macroscópico y dimensional, el material y la topografía superficial del implante. Este artículo se centra en resumir las ventajas que presentan el titanio y sus aleaciones para ser empleadas como biomateriales, y la evolución que han sufrido estas, en las últimas décadas, para mejorar su biocompatibilidad. En consecuencia, se ha recapitulado la evolución que han sufrido los implantes, resumiéndose a través de tres generaciones. En los últimos años se ha incrementado el interés en los tratamientos superficiales de las prótesis metálicas, con el objetivo de alcanzar una integración del tejido óseo duradera y en el menor tiempo posible. En este artículo se exponen varios tratamientos superficiales utilizados actualmente para modificar la rugosidad o para obtener recubrimientos superficiales; cabe destacar la oxidación electroquímica con tratamiento térmico, para modificar la estructura cristalina de los óxidos de titanio. Tras la revisión bibliográfica llevada a cabo para la redacción de este artículo, las aleaciones β de titanio, con una superficie de nanotubos obtenida mediante oxidación electroquímica y una etapa posterior de tratamiento térmico para obtener una estructura cristalina, son la opción de futuro para mejorar la biocompatibilidad a largo plazo de las prótesis de titanio. ABSTRACT: Development of titanium alloys and surface treatments to increase the implants lifetime. The population aging together with increase of life expectancy forces the development of new prosthesis which may present a higher useful life. The clinical success of implants is based on the osseointegration achievement. Therefore, metal implants must have a mechanical compatibility with the substituted bone, which is achieved through a combination of low elastic modulus, high flexural and fatigue strength. The improvement, in the short and long term, of the osseointegration depends on several factors, where the macroscopic design and dimensional, material and implant surface topography are of great importance. This article is focused on summarizing the advantages that present the titanium and its alloys to be used as biomaterials, and the development that they

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Biomaterials for dental implants: current and future trends

Cited by 205 publications

References 322 publications

Surface Treatments and Functional Coatings for Biocompatibility Improvement and Bacterial Adhesion Reduction in Dental Implantology

Surface Treatments and Functional Coatings for Biocompatibility Improvement and Bacterial Adhesion Reduction in Dental Implantology

Functionalization of polyethetherketone for application in dentistry and orthopedics

Desarrollo de las aleaciones de titanio y tratamientos superficiales para incrementar la vida útil de los implantes

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