Horizontal Alveolar Ridge Augmentation with Xenogenic Block Grafts Compared with Autogenous Bone Block Grafts for Implant-retained Rehabilitation: a Systematic Review and Meta-Analysis.

IF 1 Q3 DENTISTRY, ORAL SURGERY & MEDICINE
Jeppe Gronemann Christensen, Gustav Pors Grønlund, Signe Risom Georgi, Thomas Starch-Jensen, Niels Henrik Bruun, Simon Storgård Jensen
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引用次数: 2

Abstract

Objectives: The objective of the present systematic review and meta-analysis was to test the 0-hypothesis of no difference in implant treatment outcome after horizontal alveolar ridge augmentation with xenogenic block compared with autogenous bone block.

Material and methods: A literature search was conducted using PubMed, Embase and Cochrane Library databases in combination with a hand-search of relevant journals until 25th of January 2022. Comparative and non-comparative studies evaluating horizontal alveolar ridge augmentations with xenogenic blocks were included. Quality and risk of bias were evaluated by Cochrane Collaboration's revised tool and Newcastle-Ottawa scale.

Results: Meta-analysis revealed no statistically significant difference in implant survival rate after more than 6 months of functional implant loading (P = 0.71), no difference in alveolar ridge width (P = 0.07) or gain of alveolar ridge width at re-entry (P = 0.13). Non-comparative studies revealed moderate to high short-term implant survival rate and gain in alveolar ridge width, however, complications including dehiscences, graft exposure and graft failure were observed in several studies.

Conclusions: No significant difference could be identified in short-term implant treatment outcome following horizontal alveolar ridge augmentation using xenogenic block compared with autogenous bone block with the limited data available. A high incidence of healing complications and implant failures necessitates further investigation, as well as long-term results on implant survival rate.

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水平牙槽嵴增强异种骨块与自体骨块在种植体保留康复中的比较:系统回顾和荟萃分析。
目的:本系统综述和荟萃分析的目的是检验0假设,即与自体骨块相比,异种骨块水平牙槽嵴增强后种植体治疗结果无差异。材料和方法:使用PubMed, Embase和Cochrane图书馆数据库进行文献检索,并结合手工检索相关期刊,直至2022年1月25日。比较和非比较研究评估水平牙槽嵴增加与异种块。采用Cochrane Collaboration的修订工具和Newcastle-Ottawa量表评估偏倚的质量和风险。结果:荟萃分析显示,在功能种植体加载超过6个月后,种植体存活率无统计学差异(P = 0.71),牙槽嵴宽度无统计学差异(P = 0.07),再入时牙槽嵴宽度增加无统计学差异(P = 0.13)。非比较研究显示,种植体短期存活率中高,牙槽嵴宽度增加,然而,在一些研究中观察到包括开裂、移植物暴露和移植物失败在内的并发症。结论:根据有限的数据,异种骨块与自体骨块在水平牙槽嵴增强后的短期种植治疗结果没有显著差异。高发生率的愈合并发症和种植体失败需要进一步的研究,以及种植体存活率的长期结果。
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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