Digital Workflow in Full Mouth Rehabilitation with Immediate Loading, Intraoral Welding and 3D-Printed Reconstructions in a Periodontal Patient: A Case Report

IF 0.8 Q3 MEDICINE, GENERAL & INTERNAL
Adam Nowicki, Karolina Osypko
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Abstract

Background: Complex implant reconstructions in patients with residual dentition due to periodontitis is a challenging task in many aspects. Methods: This study shows a full digital workflow combining 3D printing, guided implant placement, intraoral scanning and welding with immediate loading and digital smile design. An analog impression was taken to validate the passive fit of final restorations. The whole treatment plan was divided into three stages. The first stage included an intraoral scan of baseline dentition, and then the extraction of all teeth was performed, implanting four temporary implants and providing the patient with removable temporary prosthesis. The second stage was to scan the removable temporaries, implanting 10 implants and multi-unit abutments (MUA), and create a rigid construction via the intraoral welding of titanium bar and by fixing it to the 3D-printed temporary reconstructions (designed with DSD) as a form of immediate loading. The third stage included the scanning of screw-retained temporary reconstructions, then scanning from the MUA level and creating final reconstruction. Results: The presented workflow enabled the delivery of some sort of restoration to the patient at every moment of the treatment and to sustain the required esthetic effect with decent comfort of use even in the early stages. Conclusions: A full digital workflow is a reliable treatment method even in complex cases.
数字工作流程在全口康复与即时加载,口腔内焊接和3d打印重建牙周患者:一个案例报告
背景:牙周炎遗留牙列患者的复杂种植体重建在许多方面都是一项具有挑战性的任务。方法:本研究展示了3D打印、引导种植体植入、口腔内扫描和焊接即时加载以及数字微笑设计相结合的全数字化工作流程。采用模拟印模来验证最终修复体的被动拟合。整个治疗计划分为三个阶段。第一阶段包括基线牙列的口腔内扫描,然后拔出所有牙齿,种植4个临时种植体,并为患者提供可移动的临时假体。第二阶段是扫描可移动的临时体,植入10个种植体和多单元基台(MUA),并通过钛棒的口内焊接,将其固定在3d打印的临时重建体(用DSD设计)上,作为一种即时加载形式,创建一个刚性结构。第三阶段包括扫描螺钉保留的临时重建,然后从MUA水平扫描并创建最终重建。结果:所提出的工作流程能够在治疗的每一刻为患者提供某种修复,并且即使在早期阶段也能维持所需的美学效果和良好的使用舒适性。结论:完整的数字化工作流程是治疗复杂病例的可靠方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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