Novas tecnologias vêm sendo aplicadas ao planejamento em reconstrução óssea para implantodontia, prova disso é a aplicação do fluxo digital e de novas técnicas reconstrutivas de menor morbidade, mais versáteis e de fácil execução. Este trabalho objetiva ilustrar o uso do planejamento reverso digital para o tratamento de um defeito ósseo horizontal por meio da técnica Screw Tent-pole. Utilizando o planejamento reverso virtual, o paciente foi diagnosticado com defeito ósseo alveolar horizontal em região estética. Parafusos foram utilizados como mantenedores de espaço e enxerto ósseo xenógeno foi inserido entre os parafusos. Após seis meses foram posicionados implantes reproduzindo o planejamento digital inicial. Ferramentas digitais de diagnóstico e planejamento são recursos valiosos na condução de casos complexos com demandas estéticas elevadas. A técnica Screw Tent-pole representa uma alternativa interessante no tratamento de defeitos em espessura, de fácil execução, baixa morbidade e custo relativamente baixo.
An adequate bone volume is mandatory for a favorable long-term prognosis in patients treated with dental implants. The vertical deficiency of posterior mandible is a common condition in partially edentulous patients, in which vertical bone augmentation procedures or inferior alveolar nerve transposition become necessary for the dental implant rehabilitation. Thus, the aim of this study was to discuss options of vertical bone augmentation techniques in atrophic posterior mandibles and to present, as case reports, alternatives for the rehabilitation of patients with this condition. So, three alternatives of treatment were presented: the use of Cytoplast titanium-reinforced membrane over autogenous and xenogenous particulate bone graft; sandwich osteotomy; and nerve transposition. In the three reported cases, the chosen surgical techniques showed to be appropriated and allowed the placement of longer implants. No significant complications were observed and all the patients were satisfied with the performed treatment. It is possible to conclude that the reconstruction of atrophic posterior mandible remains a challenge to the professionals, who must know the various existing techniques and choose the most suitable one to each patient.
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