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Tratamentos de superfície em implantes dentários de titânio: revisão narrativa
| Name: | Description: | Size: | Format: | |
|---|---|---|---|---|
| PPG_38835 | 516.34 KB | Adobe PDF |
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Abstract(s)
A colocação de implantes dentários é uma escolha terapêutica comum para o edentulismo
(parcial ou total), cujo sucesso se baseia no conceito de ósseo-integração introduzido por
Brӓnemark. O êxito do implante está estritamente relacionado ao processo de ósseointegração e, neste sentido, muitos estudos sugerem que a topografia da superfície dos
implantes pode orientar mais eficazmente o comportamento das células de formação
óssea. Diversas técnicas de tratamentos de superfície têm sido estudadas e aplicadas para
melhorar as propriedades biológicas da superfície do implante, favorecendo o mecanismo
de ósseo-integração. Diversos tipos de tratamentos de superfície, químicos e físicos,
foram desenvolvidos e comercializados pelos fabricantes de implantes dentários, que são
fabricados usando maquinagem padrão, seguida por tratamentos de superfície como jato
de partículas, ataque ácido, spray de plasma ou uma combinação destas tecnologias. O
presente trabalho visa, pelo método de revisão de literatura, abordar, os mecanismos
biológicos e mecânicos da ósseo-integração, com o objetivo principal de expor os
principais tipos de tratamento de superfície dos implantes dentários e a sua relação com
o processo de ósseo-integração. Os trabalhos analisados mostraram que a rugosidade
superficial do implante favorece a adesão de osteoblastos, resultando num maior contacto
osso-implante acelerando a ósseo-integração em relação aos implantes que não recebem
tratamento superficial. Apesar dos bons resultados apresentados, a literatura não é
unânime quanto ao melhor tipo de tratamento de superfície.
The placement of dental implants is a common therapeutic choice for edentulism (partial or total), whose success is based on the concept of osseointegration introduced by Brӓnemark. The success of the implant is strictly related to the osseointegration process and, in this sense, many studies suggest that the topography of the implant surface can more effectively guide the behaviour of bone-forming cells. Several techniques of surface treatments have been studied and applied to improve the biological properties of the implant surface, favouring the osseointegration mechanism. Various types of surface treatments, chemical and physical, have been developed and marketed by dental implant manufacturers, which are manufactured using standard machining, followed by surface treatments such as blasting, acid attack, plasma spray or a combination of these technologies. The present work aims, by means of the literature review method, to address the biological and mechanical mechanisms of osseointegration, with the main objective of exposing the main types of surface treatment of dental implants and their relationship with the osseointegration process. The analysed studies showed that the superficial roughness of the implant favours the adhesion of osteoblasts, resulting in greater boneimplant contact, accelerating bone integration in relation to implants that do not receive superficial treatment. Despite the good results presented, the literature is not unanimous as to the best type of surface treatment.
The placement of dental implants is a common therapeutic choice for edentulism (partial or total), whose success is based on the concept of osseointegration introduced by Brӓnemark. The success of the implant is strictly related to the osseointegration process and, in this sense, many studies suggest that the topography of the implant surface can more effectively guide the behaviour of bone-forming cells. Several techniques of surface treatments have been studied and applied to improve the biological properties of the implant surface, favouring the osseointegration mechanism. Various types of surface treatments, chemical and physical, have been developed and marketed by dental implant manufacturers, which are manufactured using standard machining, followed by surface treatments such as blasting, acid attack, plasma spray or a combination of these technologies. The present work aims, by means of the literature review method, to address the biological and mechanical mechanisms of osseointegration, with the main objective of exposing the main types of surface treatment of dental implants and their relationship with the osseointegration process. The analysed studies showed that the superficial roughness of the implant favours the adhesion of osteoblasts, resulting in greater boneimplant contact, accelerating bone integration in relation to implants that do not receive superficial treatment. Despite the good results presented, the literature is not unanimous as to the best type of surface treatment.
Description
Keywords
Ósseo-integração Jato partículas Ataque ácido Tratamento de superfície Osseointegration Blasting Acid attack Surface treatment