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Reabilitação da maxila atrófica posterior : implantes curtos versus elevação do seio maxilar e implantes de comprimento standard
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Orientador(es)
Resumo(s)
A substituição de dentes perdidos é determinada por questões funcionais, estéticas, psicológicas e pelo impacto social associado ao edentulismo (Omar et al., 2003).
Nas últimas décadas, a colocação de implantes tornou-se uma metodologia de tratamento amplamente difundida e previsível para regiões parcialmente edêntulas ou em casos de reabilitação total dos maxilares. No entanto, em alguns casos, a ausência prolongada de dentes resulta numa extensa reabsorção da crista alveolar (Couso‐Queiruga et al., 2021).
No caso da maxila posterior, estas alterações dimensionais podem levar os clínicos a equacionar recorrer a técnicas mais complexas e demoradas, como a elevação do seio maxilar (Boyne & James, 1980; Cucchi & Ghensi, 2014).
Contudo, apesar da previsibilidade destas técnicas, elas estão frequentemente associadas a algumas desvantagens, como aumento de custos, alta morbilidade, assim como complicações intra e pós-operatórias (Fontana et al., 2011). Em alternativa à elevação do seio maxilar para a colocação de implantes de comprimento standard, existe a possibilidade, em casos que apresentem suficiente altura óssea, de proceder à colocação de implantes curtos ou extra-curtos, que consistem numa alternativa menos invasiva (Anitua et al., 2025;Slotte et al., 2015).
The replacement of missing teeth is determined by functional, aesthetic, psychological considerations, as well as by the social impact associated with edentulism (Omar et al., 2003). In recent decades, implant placement has become a widely used and predictable treatment method for partially edentulous regions, as well as for fullarch rehabilitation. However, in some cases, prolonged tooth loss results in extensive resorption of the alveolar ridge (Couso-Queiruga et al., 2021). In the the posterior maxilla, these dimensional changes may lead clinicians to resort to more complex and time-consuming techniques, such as maxillary sinus floor elevation (Boyne & James, 1980; Cucchi & Ghensi, 2014). However, despite the predictability of these techniques, they are often associated with certain drawbacks, such as increased costs, high morbidity, as well as intra and post-operative complications (Fontana et al., 2011). As an alternative to sinus floor elevation and placement of standard-length implants, it is possible, in cases with sufficient bone height, to place short or extra-short implants, which represent a less invasive alternative (Anitua et al., 2025; Slotte et al., 2015).
The replacement of missing teeth is determined by functional, aesthetic, psychological considerations, as well as by the social impact associated with edentulism (Omar et al., 2003). In recent decades, implant placement has become a widely used and predictable treatment method for partially edentulous regions, as well as for fullarch rehabilitation. However, in some cases, prolonged tooth loss results in extensive resorption of the alveolar ridge (Couso-Queiruga et al., 2021). In the the posterior maxilla, these dimensional changes may lead clinicians to resort to more complex and time-consuming techniques, such as maxillary sinus floor elevation (Boyne & James, 1980; Cucchi & Ghensi, 2014). However, despite the predictability of these techniques, they are often associated with certain drawbacks, such as increased costs, high morbidity, as well as intra and post-operative complications (Fontana et al., 2011). As an alternative to sinus floor elevation and placement of standard-length implants, it is possible, in cases with sufficient bone height, to place short or extra-short implants, which represent a less invasive alternative (Anitua et al., 2025; Slotte et al., 2015).
Descrição
Dissertação para obtenção do grau de Mestre no Instituto Universitário Egas Moniz
Palavras-chave
Elevação do seio maxilar Implantes curtos Cirurgia Taxa de sobrevivência