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Abstract：
This article presents the outcomes of prosthetic oral rehabilitation using CAD/CAM telescopic bar overdentures in patients with oral cancer (n = 3), severe facial trauma (n = 2), or various syndromes (n = 1), all suffering from severe tissue deficits and requiring complex and comprehensive oral rehabilitation. The aim was to assess the durability and functionality of implant-retained prosthetic structures, ensuring easy oral hygiene and minimizing specialized follow-up needs. The data for this study were sourced from a retrospective cohort at Helsinki University Hospital. The prosthetic reconstruction encompassed the Atlantis 2in1 and the Createch removable telescopic systems. Thus, 40 implants were placed (4 to 7 per patient), with prosthetic structures in the maxilla (n = 4 patients), in the mandible (n = 1), and in both jaws (n = 1). Two patients experienced no complications, two patients had part of the acrylic resin break, and one patient experienced loosening of the bar structure. All complications associated with prosthetic structures were successfully managed, and none of the implants were lost. The follow-up time ranged from 7 to 126 months. This rehabilitation is proved to be an effective solution for patients with complex oral conditions, facilitating both functional restoration and ease of maintenance. These findings underscore the importance of individualized treatment approaches in cases of tissue deficits.
摘要：
本文介绍了使用CAD/CAM伸缩杆覆盖义齿修复口腔修复口腔癌患者（n=3）的结果，严重面部创伤（n=2），或各种综合征(n=1)，都患有严重的组织缺陷，需要复杂而全面的口腔康复。目的是评估植入物保留的假体结构的耐久性和功能，确保简单的口腔卫生和最大限度地减少专门的后续需求。这项研究的数据来自赫尔辛基大学医院的回顾性队列。假体重建包括亚特兰蒂斯2in1和Createch可移动伸缩系统。因此，放置40个植入物（每个患者4至7个），上颌骨有假体结构（n=4例），在下颌骨（n=1），和两个钳口（n=1）。两名患者没有出现并发症，两名患者的丙烯酸树脂部分断裂，一名患者经历了钢筋结构的松动。所有与假体结构相关的并发症均得到成功治疗，没有一个植入物丢失。随访时间7～126个月。这种康复被证明是复杂口腔疾病患者的有效解决方案，促进功能恢复和易于维护。这些发现强调了在组织缺陷的情况下个性化治疗方法的重要性。
