Department of Orthodontics and Craniofacial Deformities, School of Graduate Dentistry, Rambam Health Care Campus, Haifa, Israel.
Bruce and Ruth Rappaport Faculty of Medicine, Technion - Israel Institute of Technology, Haifa, Israel.
Dent Traumatol. 2020 Apr;36(2):141-150. doi: 10.1111/edt.12513. Epub 2020 Jan 7.
BACKGROUND/AIMS: Decoronation is currently considered the best treatment option for ankylosed teeth and discrepancies in the alveolar bone, particularly in childhood and adolescence. The loss of a front tooth creates aesthetic, functional, and psychological distress in patients and their parents. The aim of this study was to analyze the types of restorations provided after decoronation, their suitability, durability, and follow up until insertion of the final restoration.
A literature review was conducted using Ovid MEDLINE, Embase, and Web of Science to identify eligible articles. English language publications until August 9, 2018, were searched independently and cross-checked by two researchers online, in print, and in press.
Of 618 articles screened, 10 included reports on 11 patients with detailed descriptions of 13 provisional restorations. Patients' ages at the time of decoronation were 8-15 years. Seven underwent avulsion and four intrusion. Removable partial denture (nine cases) was the most common restoration. In two cases, the restoration was provisional with a lingual bar with prosthetic crown and in two other cases with an adhesive bridge. Follow up ranged from 3 months to 5 years in nine patients. Two cases were followed until the permanent restoration was placed.
The importance of long-term provisional restorations was disregarded by most authors. A multidisciplinary approach should take into consideration immediate-, mid-, and long-term rehabilitation of the decoronated tooth.
背景/目的：去冠术目前被认为是治疗骨性粘连牙和牙槽骨畸形的最佳选择，尤其是在儿童和青少年时期。前牙缺失会给患者及其家长带来美观、功能和心理上的困扰。本研究旨在分析去冠术后的修复类型、其适用性、耐用性以及最终修复体插入前的随访情况。
通过 Ovid MEDLINE、Embase 和 Web of Science 进行文献回顾，以确定符合条件的文章。独立在线、打印和在版文献搜索了截至 2018 年 8 月 9 日的英语文献，并由两名研究人员交叉核对。
在筛选出的 618 篇文章中，有 10 篇文章报道了 11 例患者，详细描述了 13 例临时修复体。患者去冠时的年龄为 8-15 岁。7 例为脱位，4 例为压低。可摘局部义齿（9 例）是最常见的修复体。在 2 例中，修复体为带义齿冠的舌侧杆临时修复体，在另外 2 例中为粘接桥。9 例患者的随访时间从 3 个月到 5 年不等。有 2 例患者一直随访到永久修复体的放置。
大多数作者忽视了长期临时修复体的重要性。多学科方法应考虑到去冠牙的即刻、中期和长期修复。
