Four-mm-short implants in the rehabilitation of posterior atrophic jaws: A retrospective study on 212 patients with a mean follow-up of 8.02 years

IF 4.8 1区医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Clinical Oral Implants Research Pub Date : 2024-08-20 DOI:10.1111/clr.14349

Carlo Barausse, Roberto Pistilli, Lorenzo Bonifazi, Subhi Tayeb, Gerardo Pellegrino, Andrea Ravidà, Pietro Felice

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Abstract

Objective

This study aimed to assess clinical efficacy of 4-mm-short implants in patients with posterior severe vertical bone atrophy in the medium- and long-term follow-up.

Materials and Methods

Patients rehabilitated with 4-mm-short implants in the posterior atrophic jaws, with a minimum follow-up of 3 years post-loading, were included in the study. Data were collected for eligible patients, and marginal bone loss (MBL) for each implant was evaluated. The research outcomes were implant failure, MBL and complications.

Results

A total of 212 patients with 496 implants were included, resulting in a mean follow-up of 8.02 ± 2.17 years. The implant survival rate was 95.36% (95% CI: 93.12%–97.04%). More implant failures were observed in the maxilla (p = .02) and fewer failures were observed in patients undergoing more number of hygienic sessions per year (p < .001). The average MBL after 1-year-loading was 0.47 mm, increasing to 0.59 mm after 10 years; after 3 years no statistically significant increase in MBL was observed. Maxillary implants showed greater bone loss than mandibular ones (p < .001). More frequent professional oral hygiene sessions per year resulted being related with reduced MBL (p < .001).

Conclusions

Four-mm-short implants showed high survival rates with an up to 10-year follow-up. Their use can offer a fixed prosthetic solution for patients with posterior vertical bone atrophy, minimizing surgical invasiveness, rehabilitative times and costs.

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后萎缩颌骨修复中的四毫米短种植体：对 212 名患者进行的一项回顾性研究，平均随访时间为 8.02 年。

目的本研究旨在评估4毫米短种植体在后部严重垂直骨萎缩患者的中长期随访中的临床疗效：研究对象包括在后部萎缩颌骨中使用 4 毫米短种植体进行修复的患者，这些患者在植入种植体后至少随访 3 年。研究人员收集了符合条件的患者数据，并对每个种植体的边缘骨质流失（MBL）进行了评估。研究结果包括种植失败、骨质疏松和并发症：共纳入 212 名患者，496 个种植体，平均随访时间为 8.02±2.17 年。种植体存活率为 95.36%（95% CI：93.12%-97.04%）。在上颌观察到更多的种植体失败（p = .02），在每年接受更多卫生治疗的患者中观察到更少的种植体失败（p 结论：在上颌观察到更多的种植体失败（p = .03），在每年接受更多卫生治疗的患者中观察到更少的种植体失败（p = .04）：四毫米短种植体在长达 10 年的随访中显示出较高的存活率。它们可以为后部垂直骨质萎缩的患者提供固定假体解决方案，最大限度地减少手术创伤、康复时间和费用。

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来源期刊

Clinical Oral Implants Research 医学-工程：生物医学

CiteScore

7.70

自引率

11.60%

发文量

149

审稿时长

3 months

期刊介绍： Clinical Oral Implants Research conveys scientific progress in the field of implant dentistry and its related areas to clinicians, teachers and researchers concerned with the application of this information for the benefit of patients in need of oral implants. The journal addresses itself to clinicians, general practitioners, periodontists, oral and maxillofacial surgeons and prosthodontists, as well as to teachers, academicians and scholars involved in the education of professionals and in the scientific promotion of the field of implant dentistry.