Retrospective study on the clinical and radiographic outcomes of 2.8 mm diameter implants supporting fixed prostheses up to 11 years

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

Clinical Implant Dentistry and Related Research Pub Date : 2024-09-30 DOI:10.1111/cid.13395

Lianyi Xu DDS, PhD, Yue Ma DDS, Xijin Du DDS, PhD, Ying Qing DDS, PhD, Yingguang Cao DDS, PhD, Xiaojuan Sun DDS, PhD, Reinhilde Jacobs DDS, PhD, Ke Song DDS, PhD

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Abstract

Objectives

This study aimed to report the clinical and radiographic results of 2.8 mm two-piece narrow diameter implant (NDI) supporting fixed restorations.

Materials and Methods

Clinical and radiographic data of 54 NDIs in 32 patients were retrospectively assessed after 2 to 11 (mean 8.17) years of follow-up. Clinical and radiographic measurements were taken. Survival rate, implant and prosthesis failure, pink aesthetic scores (PES), white aesthetic scores (WES), bleeding on probing (BOP), probing depth (PD), marginal bone loss (MBL), and mechanical and biological complications were evaluated.

Results

An implant failed during the follow-up period, resulting in a cumulative survival rate of 98.15% at the implant level and 96.88% in the patient. The total mean values of PES and WES for 2.8 mm NDIs were 7.09 ± 1.15 (range: 3.33–9.00) and 7.42 ± 1.03 (range: 3.67–9.33). The prevalence of sites with positive BOP was 38.14 ± 29.77%. The mean PD value was 2.46 ± 0.62 mm. The average MBL was 1.15 ± 0.74 mm (range: 0.25–4.03 mm). No implant or abutment fracture was detected. A veneer chipping was present in one patient, and a loose crown appeared in another patient. Two implants (3.7%) and two patients (6.3%) were diagnosed with peri-implantitis.

Conclusion

Within the limitation of the study, the results indicate that the use of two-piece 2.8 mm NDI for the fixed prosthetic rehabilitation of edentulous regions with reduced interdental and/or buccal–lingual width is viable.

查看原文本刊更多论文

对支持固定义齿的 2.8 毫米直径种植体长达 11 年的临床和放射学效果的回顾性研究。

研究目的本研究旨在报告 2.8 毫米两件式窄直径种植体（NDI）支持固定修复体的临床和放射学结果：对 32 名患者的 54 个 NDI 的临床和放射学数据进行了回顾性评估，随访时间为 2 至 11 年（平均 8.17 年）。进行了临床和放射学测量。对存活率、种植体和修复体失败率、粉色美学评分（PES）、白色美学评分（WES）、探诊出血（BOP）、探诊深度（PD）、边缘骨质流失（MBL）以及机械和生物并发症进行了评估：随访期间有一颗种植体失败，种植体的累积存活率为 98.15%，患者的累积存活率为 96.88%。2.8 mm NDI 的 PES 和 WES 总平均值分别为 7.09 ± 1.15（范围：3.33-9.00）和 7.42 ± 1.03（范围：3.67-9.33）。BOP阳性部位的发生率为 38.14 ± 29.77%。平均 PD 值为 2.46 ± 0.62 毫米。平均 MBL 为 1.15 ± 0.74 毫米（范围：0.25-4.03 毫米）。未发现种植体或基台断裂。一名患者的贴面出现崩裂，另一名患者的牙冠出现松动。两名种植体（3.7%）和两名患者（6.3%）被诊断为种植体周围炎：研究结果表明，在牙间和/或颊舌宽度减小的无牙颌区域，使用两片式 2.8 毫米 NDI 进行固定修复是可行的。

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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.