全氧化锆单磨牙种植体支持的倾斜螺旋通道基台修复：5年前瞻性病例系列研究的结果

IF 3.7 2区医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE

Clinical Implant Dentistry and Related Research Pub Date : 2025-06-17 DOI:10.1111/cid.70068

Jantien H. W. de Beus, Henny J. A. Meijer, Christiaan W. P. Pol, Ulf Schepke, Gerry M. Raghoebar, Marco S. Cune

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引用次数: 0

摘要

全氧化锆（ZrO2）修复体用于解决后牙区种植体支持修复体中最常见的并发症：贴面骨折。这项前瞻性病例系列研究的目的是在5年的随访期间评估上颌和下颌骨磨牙区全zro2种植体支持的成角螺钉通道基台（ASCs）修复体及其对种植体周围硬、软组织的影响，以及患者相关的结果测量（PROMs）。材料与方法选取上颌或下颌骨单侧缺失磨牙且骨容量充足且种植部位无感染的患者为研究对象。连续30例患者接受平行壁锥形连接种植体。3个月后，制作带有ASC的全轮廓螺钉保留的ZrO2修复体并与种植体连接。在放置修复体后1个月、12个月和5年进行临床和影像学检查。使用Kaplan-Meier统计计算种植体成功概率，并给出5年结果的置信区间。在治疗前和随访期间对患者报告的结果测量（PROMs）进行评分。主要的结果衡量是修复的成功。结果所有患者5年后均可进行评估。5年的成功率为73.0% (95% CI [57.0%；89.0%)。种植体成活率100%，修复体成活率97%。遇到的技术并发症容易修复（n = 12）。从加载到5年随访，平均边缘骨丢失为0.30 mm （SD 0.52 mm）。菌斑、结石、种植体周围粘膜、出血和口袋探查深度的平均得分很低，表明种植体周围状况健康。两组患者的PROMs均有明显改善，平均总分为9.1±0.7分（量表1-10）。结论本研究采用全zro2种植体支持的ASC基牙修复体用于上颌和下颌后牙区，其成活率为97%。然而，在5年的观察期间，技术并发症的发生率很高（n = 12）。

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Full-Zirconia Single Molar Implant-Supported Restorations With Angulated Screw Channel Abutments: 5-Year Results of a Prospective Case Series Study

Introduction

Full-zirconia (ZrO₂) restorations were introduced to address the most common complications in implant-supported restorations in the posterior region: fractures of the veneering. The aim of this prospective case series study was to evaluate full-ZrO₂ implant-supported restorations with angulated screw channel abutments (ASCs) in the molar region of the maxilla and mandible and their effect on hard and soft peri-implant tissues, and patient-related outcome measures (PROMs), during a 5-year follow-up period.

Material and Methods

Patients with a single missing molar in the maxilla or mandible with sufficient bone volume and an implant site free of infection were included. Thirty consecutive patients received a parallel-walled implant with conical connection. After 3 months, a full contour screw-retained ZrO₂ restoration with an ASC was fabricated and connected to the implant. Clinical and radiographic examinations were performed 1 month, 12 months, and 5 years after placement of the restoration. Implant success probability was calculated using Kaplan–Meier statistics, and confidence intervals were given over the results at 5 years. Patient-reported outcome measures (PROMs) were scored prior to treatment and at follow-up intervals. The primary outcome measure was the success of the restoration.

Results

All patients could be evaluated after 5 years. Success probability at 5 years was 73.0% (95% CI [57.0%; 89.0%]). Implant survival was 100% and restoration survival was 97%. The encountered technical complications were easily repairable (n = 12). From loading to the 5-years follow-up, the mean marginal bone loss was 0.30 mm (SD 0.52 mm). Mean scores for plaque, calculus, peri-implant mucosa, bleeding, and pocket probing depth were low, depicting healthy peri-implant conditions. PROMs had significantly improved, and the mean overall score was 9.1 ± 0.7 (scale 1–10).

Conclusion

Full-ZrO₂ implant-supported restorations with ASC abutments employed in this study, when applied in maxillary and mandibular posterior regions, show a 97% survival rate. However, a high incidence rate of technical complications (n = 12) was noted during the 5-year observation period.

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来源期刊

Clinical Implant Dentistry and Related Research 医学-牙科与口腔外科

CiteScore

6.00

自引率

13.90%

发文量

103

审稿时长

4-8 weeks

期刊介绍： The goal of Clinical Implant Dentistry and Related Research is to advance the scientific and technical aspects relating to dental implants and related scientific subjects. Dissemination of new and evolving information related to dental implants and the related science is the primary goal of our journal. The range of topics covered by the journals will include but be not limited to: New scientific developments relating to bone Implant surfaces and their relationship to the surrounding tissues Computer aided implant designs Computer aided prosthetic designs Immediate implant loading Immediate implant placement Materials relating to bone induction and conduction New surgical methods relating to implant placement New materials and methods relating to implant restorations Methods for determining implant stability A primary focus of the journal is publication of evidenced based articles evaluating to new dental implants, techniques and multicenter studies evaluating these treatments. In addition basic science research relating to wound healing and osseointegration will be an important focus for the journal.