首页> 外文期刊>Journal of Oral and Maxillofacial Surgery >Repositioning a prosthetically unfavorable implant by vertical distraction osteogenesis.
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Repositioning a prosthetically unfavorable implant by vertical distraction osteogenesis.

机译:通过垂直牵引成骨术重新放置假体不利的植入物。

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摘要

Prosthetically unfavorable implant positions challenge patients and restorative dentists. Surgical correction of malpositioned implants may be an alternative technique for esthetically and biomechanically acceptable prosthetic restorations. This case report describes an alveolar distraction technique used to coronally reposition a dental implant and the 3-year results in the maintenance phase. To our knowledge, long-term follow-up of this method of correction is unprecedented. The present case report describes the repositioning of an apically positioned and fully osseointegrated implant at the right maxillary canine region using an alveolar distraction technique. Distraction was performed at 1 mm per day and ended when the implant moved 6 mm coronally. After a consolidation phase of 8 weeks, an implant-supported fixed prosthetic restoration was performed. Healing was uneventful after removal of the distractor. During the 3-year follow-up, the implant was fully functional with minimal probing depths, negligible signs of inflammation, and no further bone loss. This intervention illustrates the promise of an alveolar distraction osteogenesis procedure for vertical repositioning of apically positioned implants. This technique also provided soft and hard tissue remodeling to obtain an esthetic and stable restoration.
机译:假体不利的植入位置挑战了患者和修复牙医。位置不正确的植入物的手术矫正可能是美学和生物力学上可接受的修复体的替代技术。该病例报告描述了一种用于冠状定位牙种植体的牙槽撑开技术,并在维持阶段获得了3年的结果。据我们所知,这种校正方法的长期跟踪是前所未有的。本病例报告描述了使用牙槽撑开技术在右上颌犬牙区重新定位根尖定位且完全骨整合的植入物。以每天1 mm的速度进行牵引,并在植入物向冠状移动6 mm时结束。在8周的巩固阶段之后,进行了植入物支持的固定修复体修复。移开撑开器后,愈合情况良好。在三年的随访期间,植入物功能齐全,探测深度最小,发炎迹象可忽略不计,并且没有进一步的骨丢失。这种干预说明了用于根尖定位的植入物的垂直重新定位的牙槽牵引成骨术的前景。该技术还提供了软组织和硬组织的重塑以获得美观​​和稳定的修复体。

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