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1.
Int. j. morphol ; 39(6): 1683-1687, dic. 2021. ilus, tab
文章 在 英语 | LILACS | ID: biblio-1385553

摘要

SUMMARY: Late orbital reconstruction is a complex and challenge for surgeons. The aim of this article is to present complex orbital reconstruction using patient specific implant (PSI) strategy and polyetheretherketone (PEEK). A literature review and a cases series of sequelae after complex orbital trauma are presented; cases with great middle third deformities showing defect in the maxilla, nasal area, body of the zygoma and zygomatic arch were included; in both cases the sequelae was for more than 10 years. Virtual planning and PEEK implants were manufacture using a puzzle (two or three parts) by 3D print or injection. Patients were treated and their surgeries carried out without complications, using a minimal surgical approach. No infections were observed, and after 12 months follow-up they were stable showing normal function. PSI based-PEEK for orbital reconstruction are safe, efficient, effective and to obtain orbital morphology with low complications.


RESUMEN: La reconstrucción tardía de la órbita es un desafío complejo para cirujanos. El objetivo de este artículo fue presentar la reconstrucción orbitaria compleja utilizando implante paciente específico (PSI) y polietereterketona (PEEK). Son presentados una revisión de literatura y una serie de casos con secuelas posteriores a un trauma orbitario complejo; además, son presentados casos con gran deformidad del tercio medio del rostro mostrando defectos en maxila, área nasal, cuerpo del hueso cigomático y arco cigomático; ambos casos de secuela fueron por más de 10 años. Planificación virtual e implantes en PEEK fueron creados usando una estrategia de puzzle (dos o tres partes) por inyección o impresión 3D. Los pacientes fueron tratados y sus cirugías realizadas sin complicaciones usando accesos quirúrgicos reducidos. No se observaron infecciones y después de 12 meses de seguimiento permanecieron estables mostrando función normal. Los PSI para reconstrucción orbitaria son seguros, eficientes, efectivos y recuperan morfología de órbita con bajas complicaciones.


Subject(s)
Humans , Male , Female , Middle Aged , Orbital Diseases/surgery , Plastic Surgery Procedures/methods , Printing, Three-Dimensional , Orbit/injuries , Orbital Diseases/complications , Polymers/chemistry , Benzophenones/chemistry , Biocompatible Materials/chemistry , Treatment Outcome , Orbital Implants
2.
ImplantNews ; 12(1): 75-86, 2015. ilus
文章 在 葡萄牙语 | LILACS, BBO | ID: lil-749374

摘要

Este relato mostra um paciente de 72 anos de idade onde sua prótese total inferior sobre implantes motivou-a para usar uma prótese total fixa na maxila. Após os procedimentos de TCFC e protéticos no plano de tratamento, guias estereolitográficos foram construídos para uma colocação de implantes dentários sem levantamento de retalho. Cinco implantes foram colocados nas regiões 14, 13, 11, 22, e 24 com torque de inserção de 32 Ncm. A prótese total fixa definitiva foi entregue em até 48 horas. Após dois anos e 11 meses, não foram registradas complicações. Quando adequadamente indicada, a cirurgia virtual guiada tem se tornado uma realidade efetiva para pacientes idosos.


This case reports on a 72 years-old patient whose complete mandibular implant-supported prosthesis motivated her to use a fi xed appliance in the maxilla. After CBCT and prosthodontic procedures for treatment planning, stereolithographic guides were constructed for a flapless dental implant placement. Five implants were placed in the regions of 14, 13, 11, 22 and 24 with a 32 Ncm insertion torque. The final maxillary implant-supported prosthesis was delivered until 48 hours. After two years and 11 months, no complications were reported. When properly indicated, virtual guided surgery has become an effective possibility for elderly patients.


Subject(s)
Humans , Male , Aged , Continuity of Patient Care , Mandibular Prosthesis Implantation , Patient Satisfaction , Denture, Complete, Lower/standards , Surgery, Computer-Assisted
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