Azadi Ali, Hazrati Parham, Tizno Ashkan, Rezaei Fatemeh, Akbarzadeh Baghban Alireza, Tabrizi Reza
Dentofacial Deformities Research Center, Research Institute for Dental Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Department of Periodontics and Oral Medicine, School of Dentistry, University of Michigan, Ann Arbor, United States of America.
Oral Maxillofac Surg. 2025 Jan 14;29(1):32. doi: 10.1007/s10006-025-01335-5.
Bone expansion is one of the quickest, simplest, and most reliable methods of alveolar ridge augmentation for implant placement. This systematic review is designed to investigate the outcomes of the bone expansion technique for horizontal ridge augmentation.
The protocol of study has been prospectively registered into PROSPERO (CRD42023414686). Pubmed, Embase, Web of Science, and Scopus databases were searched. Human original articles utilizing different bone expansion procedures for horizontal ridge augmentation without the use of bone materials or combined with vertical ridge augmentation techniques were included in the study. Qualitative and quantitative synthesis have been conducted. I-squared was used to assess heterogeneity. Meta-regression, forest plots random-effect model, and weighted mean difference were used for analysis. Leave-one-out influence analysis for finding outliers. Egger's publication bias test and Funnel plots were used to address publication bias.
3291 records were identified. Ten articles were included in this study after screening. The survival and complication rates of implants placed simultaneously with bone expansion was 100% 100% (95% CI: 99-100%) and 0% (95% CI: 0-1%), respectively. The meta-regression revealed that by each month passing from the implant placement the survival probability would be decreased significantly by 0.08% (95% CI: 0.009-0.15%; P = 0.03). The weighted mean ridge width difference before and after the osseodensification was 1.55 mm (95% CI: 0.92-2.17 mm).
Based on the study's limitations it can be concluded that the bone expansion procedure can be considered an efficient and safe method regarding the survival and complication rates of placed implants.
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骨扩张术是用于种植体植入的牙槽嵴增量最快、最简单且最可靠的方法之一。本系统评价旨在研究骨扩张技术用于水平向牙槽嵴增量的效果。
该研究方案已在PROSPERO（CRD42023414686）进行前瞻性注册。检索了PubMed、Embase、Web of Science和Scopus数据库。纳入使用不同骨扩张程序进行水平向牙槽嵴增量且未使用骨材料或与垂直向牙槽嵴增量技术联合使用的人类原创文章。进行了定性和定量综合分析。采用I²评估异质性。使用Meta回归、森林图随机效应模型和加权平均差进行分析。采用逐一剔除影响分析来寻找异常值。使用Egger's发表偏倚检验和漏斗图处理发表偏倚。
共识别出3291条记录。筛选后本研究纳入10篇文章。与骨扩张同时植入的种植体的生存率和并发症发生率分别为100%（95%CI：99 - 100%）和0%（95%CI：0 - 1%）。Meta回归显示，从种植体植入开始，每过一个月，生存概率会显著降低0.08%（95%CI：0.009 - 0.15%；P = 0.03）。骨致密化前后的加权平均牙槽嵴宽度差为1.55毫米（95%CI：0.92 - 2.17毫米）。
基于本研究的局限性，可以得出结论，就植入种植体的生存率和并发症发生率而言，骨扩张程序可被视为一种有效且安全的方法。
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