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1.
Int. j interdiscip. dent. (Print) ; 13(2): 76-79, ago. 2020. tab, graf, ilus
Artigo em Inglês | LILACS | ID: biblio-1134345

RESUMO

ABSTRACT: Objective: To analyze the level of survival and the main complications presented by total edentulous patients after the All-on-Four® treatment, through a retrospective analysis. Methods: The medical records of 32 rehabilitated patients, between 2010 to 2018 were selected, presenting a total of 128 implants with subsequent fixed prostheses. The following variables were analyzed: gender, age, patient's systemic condition, time of implant installation, number of implants, and surgical and prosthetic complications. Results: The procedures were performed over on average 5.9 years ago and were more prevalent in female patients(59.6%). Out of the 32 patients selected 75% presented some systemic alteration, with hypertension being the most frequent disease. Regarding the implant placement, the rehabilitation in the mandible was more prevalent(62.5%), while in the maxilla(31.2%), and in the bimaxillary region(6.25%). As for the complications, out of 128 implants installed, 13 presented loss of osseointegration, leading to a survival rate of 90.44% (94.3% mandible and 83.3% maxilla). Furthermore, 15 surgical and 20 prosthetic complications were diagnosed. Among the surgical complications, the most frequent were loss(5-33%) and bone fracture(3-20%), while the most frequent prosthetic complications included loosening and/or or fracture of the prosthetic component and prosthetic fracture (6-30%). Conclusion: All-on-Four® is a procedure that has a high survival rate.


Assuntos
Humanos , Masculino , Feminino , Adulto , Pessoa de Meia-Idade , Idoso , Idoso de 80 Anos ou mais , Próteses e Implantes , Mandíbula , Maxila , Estudos Retrospectivos
2.
Artigo em Inglês | LILACS | ID: biblio-959756

RESUMO

ABSTRACT: Objective: This study was reduction of a bilateral mandibular fracture through the installation of dental implants with immediate loading, re-establishing the stomatognathic function of the patient. Case Report: A 58-year-old male patient seek the emergency room from hospital after suffering a motorcycle accident. After physical and imaging examinations was diagnosed with bilateral mandibular fracture. The treatment of choice, once the patient was edentulous, was the reduction and stabilization of the fracture with the installation of 5 dental implants with immediate loading. After 1 year of postoperative follow-up, the facial contour along with the occlusion were reestablished. Radiographically, it was found the proper placement of plates and screws with correct baseline realignment and maintenance of implant-supported prosthesis. Conclusion: In this case report with follow-up of 18 months, the functional prosthetic rehabilitation and immediate aesthetic with immediate loading system, after reduction and fixation of mandibular fractures proved to be a good treatment option.


Assuntos
Humanos , Masculino , Pessoa de Meia-Idade , Próteses e Implantes , Terapêutica , Implantes Dentários , Fraturas Mandibulares , Reabilitação Bucal
3.
Rev. cuba. estomatol ; 55(1): 91-99, ene.-mar. 2018. ilus
Artigo em Espanhol | CUMED | ID: cum-72227

RESUMO

Introducción: pseudoquistes y quistes verdaderos de los maxilares son contraindicaciones para cirugías de aumento de volumen óseo en la región posterior de la maxila. Objetivo: describir dos casos de pacientes con transtornos en los senos maxilares (pseudoquiste y quiste verdadero del maxilar) en senos maxilares neumatizados que necesitaban reconstrucción ósea, para posterior rehabilitacion con implantes oseointegrados. Presentación de casos: se presentan dos casos clínicos en que la planificación quirúrgica consistió en la remoción de la lesión y simultánea elevación del suelo del seno maxilar. En el primer caso, pseudoquiste antral, se procedió a la aspiración del contenido quístico previamente a la elevación de la membrana de Schneider. En el segundo caso, quiste verdadero del seno maxilar, se realizó la remoción completa de la lesión quística. En ambos casos no hubo perforación de la membrana, y el hueso bovino inorgánico fue utilizado como material de relleno. La instalación de los implantes fueron después de 7 meses de la cirugía de elevación de seno. Los controles clínicos y tomográficos mostraron adecuada oseointegración de los implantes y ausencia de recidiva y/o restos de la lesión. Conclusiones: el quiste verdadero del seno maxilar causa la destrucción de las paredes óseas y debe ser removido previamente a las cirugías de elevación sinusal. Ningún tratamiento es indicado para el pseudoquiste antral, teniendo claro que la lesión no representa necesariamente una contraindicación para la elevación de la membrana sinusal y colocación de injerto óseo para implantes. Mientras tanto, la aspiración previa de contenido líquido del pseudoquiste evita posibles complicaciones infecciosas posoperatorias(AU)


Introduction: maxillary pseudocysts and true cysts are contraindications for bone volume augmentation surgery in the posterior maxillary region. Objective: describe two cases of patients with maxillary sinus disorders (pseudocyst and true cyst) in pneumatized maxillary sinuses requiring bone reconstruction with a view to eventual rehabilitation with osseointegrated implants. Case presentation: two clinical cases are presented in which surgical planning consisted in lesion removal and simultaneous maxillary sinus floor elevation. In the first case, antral pseudocyst, aspiration was performed of the cystic content before elevation of the Schneiderian membrane. In the second case, true cyst of the maxillary sinus, total removal of the cystic lesion was performed. Membrane perforation did not occur in either case. Inorganic bovine bone was used as filler in both. Implantation was performed 7 months after sinus lifting surgery. Clinical and tomographic examination showed adequate implant osseointegration and absence of recurrence and/or lesion remnants. Conclusions: true maxillary sinus cysts cause bone wall destruction, and should be removed before performing sinus lifting surgery. No treatment is indicated for antral pseudocyst, for the lesion does not necessarily constitute a contraindication for sinus membrane lifting and bone graft placement for implantation. On the other hand, previous aspiration of the liquid content of the pseudocyst prevents possible postoperative infectious complications(AU)


Assuntos
Humanos , Feminino , Pessoa de Meia-Idade , Levantamento do Assoalho do Seio Maxilar/métodos , Mucocele/cirurgia , Implantes Dentários/efeitos adversos , Transplante Ósseo/métodos
4.
Rev. cuba. estomatol ; 55(1): 91-99, ene.-mar. 2018. ilus
Artigo em Espanhol | LILACS | ID: biblio-960404

RESUMO

Introducción: pseudoquistes y quistes verdaderos de los maxilares son contraindicaciones para cirugías de aumento de volumen óseo en la región posterior de la maxila. Objetivo: describir dos casos de pacientes con transtornos en los senos maxilares (pseudoquiste y quiste verdadero del maxilar) en senos maxilares neumatizados que necesitaban reconstrucción ósea, para posterior rehabilitacion con implantes oseointegrados. Presentación de casos: se presentan dos casos clínicos en que la planificación quirúrgica consistió en la remoción de la lesión y simultánea elevación del suelo del seno maxilar. En el primer caso, pseudoquiste antral, se procedió a la aspiración del contenido quístico previamente a la elevación de la membrana de Schneider. En el segundo caso, quiste verdadero del seno maxilar, se realizó la remoción completa de la lesión quística. En ambos casos no hubo perforación de la membrana, y el hueso bovino inorgánico fue utilizado como material de relleno. La instalación de los implantes fueron después de 7 meses de la cirugía de elevación de seno. Los controles clínicos y tomográficos mostraron adecuada oseointegración de los implantes y ausencia de recidiva y/o restos de la lesión. Conclusiones: el quiste verdadero del seno maxilar causa la destrucción de las paredes óseas y debe ser removido previamente a las cirugías de elevación sinusal. Ningún tratamiento es indicado para el pseudoquiste antral, teniendo claro que la lesión no representa necesariamente una contraindicación para la elevación de la membrana sinusal y colocación de injerto óseo para implantes. Mientras tanto, la aspiración previa de contenido líquido del pseudoquiste evita posibles complicaciones infecciosas posoperatorias(AU)


Introduction: maxillary pseudocysts and true cysts are contraindications for bone volume augmentation surgery in the posterior maxillary region. Objective: describe two cases of patients with maxillary sinus disorders (pseudocyst and true cyst) in pneumatized maxillary sinuses requiring bone reconstruction with a view to eventual rehabilitation with osseointegrated implants. Case presentation: two clinical cases are presented in which surgical planning consisted in lesion removal and simultaneous maxillary sinus floor elevation. In the first case, antral pseudocyst, aspiration was performed of the cystic content before elevation of the Schneiderian membrane. In the second case, true cyst of the maxillary sinus, total removal of the cystic lesion was performed. Membrane perforation did not occur in either case. Inorganic bovine bone was used as filler in both. Implantation was performed 7 months after sinus lifting surgery. Clinical and tomographic examination showed adequate implant osseointegration and absence of recurrence and/or lesion remnants. Conclusions: true maxillary sinus cysts cause bone wall destruction, and should be removed before performing sinus lifting surgery. No treatment is indicated for antral pseudocyst, for the lesion does not necessarily constitute a contraindication for sinus membrane lifting and bone graft placement for implantation. On the other hand, previous aspiration of the liquid content of the pseudocyst prevents possible postoperative infectious complications(AU)


Assuntos
Humanos , Feminino , Pessoa de Meia-Idade , Levantamento do Assoalho do Seio Maxilar/métodos , Mucocele/cirurgia , Implantes Dentários/efeitos adversos , Transplante Ósseo/métodos
5.
Artigo em Inglês | LILACS | ID: lil-794501

RESUMO

Dental implant fixation techniques are widely studied in order to reduce surgical morbidity. Computer-guided flapless surgery has been considered an efficient alternative that presents several advantages and some limitations. This technique allows the virtual planning and simulation of the prosthetic-surgical treatment that can help predict the difficulties and limitations in order to reduce possible errors. In addition to the prosthetic predictability, computer-guided surgery enhances accuracy and reduces surgical morbidity. Thus, the aim of this study was to report on a 7-year follow-up of immediately loaded implants inserted into an edentulous maxilla using virtual planning and flapless surgery.


Las técnicas de fijación del implante dental se estudian ampliamente para reducir la morbilidad quirúrgica. La cirugía sin flapless guiada por ordenador ha sido considerada como una alternativa eficiente con varias ventajas y algunas limitaciones. Esta técnica permite la planificación virtual y simulación del tratamiento protésico quirúrgico con la predicción de las dificultades y limitaciones para reducir posibles errores. Además de la previsibilidad de prótesis, la cirugía guiada por ordenador mejora la precisión y reduce la morbilidad quirúrgica. Por lo tanto, el objetivo de este estudio fue reportar a 5 años de seguimiento de los implantes de carga inmediata insertados en un maxilar desdentado utilizando la planificación virtual y la cirugía sin colgajo. El presente caso prospectivo informó el éxito del tratamiento y destacó la importancia de la planificación, lo que justifica el costo de esta tecnología.


Assuntos
Humanos , Feminino , Adulto , Arcada Edêntula/cirurgia , Cirurgia Assistida por Computador/métodos , Carga Imediata em Implante Dentário/métodos , Retalhos Cirúrgicos , Resultado do Tratamento , Carga Imediata em Implante Dentário/instrumentação
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