Galindo Pablo, Sánchez-Fernández Elena, Avila Gustavo, Cutando Antonio, Fernandez Juan Emilio
Department of Oral and Maxillofacial Surgery, School of Dentistry, University of Granada, Spain.
Int J Oral Maxillofac Implants. 2005 Mar-Apr;20(2):291-5.
Invasion of the maxillary sinus is a relatively frequent complication in dental implant treatment of patients with inadequate bone height in the posterior maxilla. This event usually occurs during surgery and sometimes produces sinusitis. There is a paucity of reports in the literature of implants migrating into the sinus cavity after a period of function. In the 2 clinical cases presented, an intraosseous apical movement of the implants was produced several years after placement of the implants. Hypotheses and possible mechanisms by which an implant may migrate into the maxillary sinus are described.
在上颌后部骨高度不足的患者进行牙种植治疗时，上颌窦侵袭是一种相对常见的并发症。这种情况通常发生在手术过程中，有时会引发鼻窦炎。文献中关于种植体在功能一段时间后迁移到鼻窦腔的报道较少。在本文介绍的2例临床病例中，种植体在植入数年之后出现了骨内根尖向移动。文中描述了种植体可能迁移至上颌窦的假说及可能机制。
