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首页> 外文期刊>The International journal of oral & maxillofacial implants >Survival Rates of Short Dental Implants (< =6.5 mm) Placed in Posterior Edentulous Ridges and Factors Affecting Their Survival After a 12-Month Follow-up Period: Systematic Review
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Survival Rates of Short Dental Implants (< =6.5 mm) Placed in Posterior Edentulous Ridges and Factors Affecting Their Survival After a 12-Month Follow-up Period: Systematic Review

机译：短牙科植入物的存活率（<= 6.5 mm）放置在后透明脊和12个月后续后期后影响其存活的因素：系统评论

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摘要

Purpose: Dental implant placement in atrophic ridges is challenged by availability of bone and proximity to vital structures. Although short dental implants have been considered favorable, there is no consensus regarding their long-term survival and factors affecting it. This systematic review addressed the focused question, "What is the survival rate of short dental implants (SDI; length <6.5 mm) placed in posterior edentulous ridges without any ridge augmentation procedures and followed up for 12 months post-prosthetic loading, and what are the factors affecting their survival rate?" Materials and Methods: Based on a search of the indexed literature, 51 studies fulfilling the inclusion criteria were quantitatively reviewed. Overall SDI survival and factors influencing survival, such as anatomical location, surgical protocol, time of loading, type of prosthesis retention, nature of prosthesis, implant stability, crown-to-implant ratio (C/l ratio), and marginal bone loss at follow-up were evaluated. SDI survival based on clinical factors was compared to overall survival using odds ratio (OR), and continuously distributed data were evaluated using Pearson's correlation (P < .05). Results and Conclusion: Based on this review, SDI placed in edentulous posterior regions of the maxilla and mandible have survival rates (96.45%) similar to those of conventional-length implants after a follow-up period of 12 months post-prosthetic loading. Except for smaller implant diameter (OR = 1.59, 95% confidence interval [CI] = 1.03-2.43, P < .05), screw-retained restorations (OR = 2.11, 95% CI = 1.25-3.57, P < .01), and C/l ratio e 2 (Pearson's R = -0.694, P < .01), other variables relating to implant surgery, prosthetic loading, nature and type of prosthesis, and follow-up did not significantly affect SDI survival.
机译：目的：萎缩脊的牙科植入物放置是通过骨骼和近距离结构的可用性挑战。虽然短期牙科植入物被认为有利，但没有关于其长期存活率和影响它的因素的共识。这种系统审查解决了重点的问题，“短牙科植入物的生存率（SDI;长度<6.5毫米）放在后透明脊上，没有任何脊增长程序，并在假肢加载后进行了12个月，是什么影响其生存率的因素？“材料和方法：基于对索引文献的搜索，量化符合纳入标准的51项研究是量化的。总体SDI生存和因素影响存活，如解剖学位置，手术协议，装载时间，假体保留的类型，假体性质，植入稳定性，冠状植入率（C / L比）和边缘骨质损失评估随访。基于临床因素的SDI存活与使用多项比率（或）的总存活率进行比较，并使用Pearson的相关评估连续分布的数据（P <.05）。结果与结论：基于本综述，SDI置于上颌和下颌骨的透明后部区域，其存在于前后载荷后12个月后的常规长度植入物的存活率（96.45％）。除较小的植入直径（或= 1.59,95％置信区间[CI] = 1.03-2.43，P <.05），螺旋保留修复（或= 2.11,95％CI = 1.25-3.57，P <.01）和C / L比E 2（Pearson的R = -0.694，P <.01），与植入手术，假肢负荷，性质和假体相关的其他变量，以及随访没有显着影响SDI存活。

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