Angulated titanium bases screw channel abutments for single implant restorations: A systematic review and meta-analysis

IF 3.4 2区医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Journal of Prosthodontics-Implant Esthetic and Reconstructive Dentistry Pub Date : 2025-01-27 DOI:10.1111/jopr.14032

Paolo De Angelis DDS, MS, PhD, Edoardo Rella DDS, Margherita Giorgia Liguori DDS, MS, PhDc, Davide Piccirillo DDS, Alberto Palmieri DDS, Antonio D'addona DDS, MS, Paolo Francesco Manicone DDS

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Abstract

Purpose

Screw-retained implant crowns are a common solution to rehabilitate single or multiple edentulous sites. Angulated screw channel (ASC) abutments have been developed as a new system of connection to correct the angulation of the implant and avoid a possible undesired emergence of the access hole. The purpose of this systematic review was to examine available literature related to the effects of ASC abutments in rehabilitating single implant crowns.

Methods

A protocol was registered in the PROSPERO database (ID = CRD42022295521). An electronic search of the Cochrane Central Register of Controlled Trials and Trial Protocols, MEDLINE, SCOPUS, and Web of Science was performed up to January 16, 2024. Additionally, a manual search was carried out. The meta-analysis used a fixed or a random effects model, based on the heterogeneity between the studies, focusing on binary and continuous data. A risk of bias assessment was performed (NOS or MOGA et al.) The outcomes assessed were peri-implant marginal bone level, probing pocket depth (PPD), the prevalence of technical and mechanical complications, implant and prosthesis survival rates, and esthetics. Statistical significance was set at p < 0.05.

Results

The searches resulted in a total of 10 studies included in the meta-analysis. The mean implant and prosthesis survival rates were respectively 99% (absolute quantity = 243) and 100% (absolute quantity = 239) with non-statistically significant differences observed in single crowns supported by ASC abutments compared to cemented restorations, in terms of marginal bone loss (MBL) (p = 0.22), PPD (p = 0.08), risk of complications (p = 0.53), and esthetics (p = 0.47). Follow-up intervals ranged from 14 days to more than 3 years.

Conclusions

Data based on this systematic review suggest that the clinical and radiographic outcomes of single implants restored using ASC are promising if compared to the outcomes relating to screw-retained single crowns.

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成角钛基螺钉通道基台用于单种植体修复：系统回顾和荟萃分析。

目的：螺钉固定种植冠是修复单牙或多牙无牙部位的常用方法。成角螺钉通道（ASC）基台已发展成为一种新的连接系统，以纠正种植体的成角并避免可能出现的不希望出现的通道孔。本系统综述的目的是检查与ASC基台在单种植冠修复中的作用有关的现有文献。方法：在PROSPERO数据库中注册一个协议（ID = CRD42022295521）。到2024年1月16日为止，对Cochrane中央对照试验和试验方案登记处、MEDLINE、SCOPUS和Web of Science进行了电子检索。此外，还进行了人工搜索。meta分析采用固定或随机效应模型，基于研究之间的异质性，重点关注二元和连续数据。进行偏倚风险评估（NOS或MOGA等）。评估的结果包括种植体周围边缘骨水平、探查袋深度（PPD）、技术和机械并发症的发生率、种植体和假体存活率以及美学。统计显著性设为p。结果：检索结果共纳入10项研究。ASC基牙单冠种植体和假体的平均存活率分别为99%（绝对数量= 243）和100%（绝对数量= 239），与骨水泥修复体相比，在边缘骨丢失（MBL）（p = 0.22）、PPD （p = 0.08）、并发症风险（p = 0.53）和美观（p = 0.47）方面差异无统计学意义。随访时间从14天到3年以上不等。结论：基于本系统综述的数据表明，与螺钉保留的单冠相比，使用ASC修复单种植体的临床和影像学结果是有希望的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Prosthodontics-Implant Esthetic and Reconstructive Dentistry DENTISTRY, ORAL SURGERY & MEDICINE-

CiteScore

7.90

自引率

15.00%

发文量

171

审稿时长

6-12 weeks

期刊介绍： The Journal of Prosthodontics promotes the advanced study and practice of prosthodontics, implant, esthetic, and reconstructive dentistry. It is the official journal of the American College of Prosthodontists, the American Dental Association-recognized voice of the Specialty of Prosthodontics. The journal publishes evidence-based original scientific articles presenting information that is relevant and useful to prosthodontists. Additionally, it publishes reports of innovative techniques, new instructional methodologies, and instructive clinical reports with an interdisciplinary flair. The journal is particularly focused on promoting the study and use of cutting-edge technology and positioning prosthodontists as the early-adopters of new technology in the dental community.