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KMID : 0602720160200020048
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Implantology
2016 Volume.20 No. 2 p.48 ~ p.56
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Treatment and Prognosis of Dental Implants Displaced into the Maxillary Sinus
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Yoon Ji-Eun
Seong Tae-Hwan
Kim Jin-Woo
Kim Sun-Jong
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Abstract
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Purpose: The purpose of this article is to report on the clinical, radiological, and anatomical features of patients suffering accidental displacement of dental implants into the maxillary sinus.
Materials and Methods: A retrospective observational study of five cases of dental implant displacement into the maxillary sinus was conducted. Data concerning patients’ features, diagnostic criteria, and treatment performed were collected.
Results: Mean patient age was 53.2 years, and men predominated (4:1). Implant displacement was diagnosed in all cases by clinical and radiological examinations. In four patients, the implant was surgically removed without complications. All patients reported sinus symptoms following displacement.
Conclusion: The displacement of implants into the maxillary sinus is usually related to poor patient condition or inadequate surgical technique. Because of the anatomy and physiology of the posterior area of the maxilla, it is essential to ensure good primary stability in order to avoid this complication. If the implant migrates into the maxillary sinus, it should be removed to avoid sinus pathology.
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KEYWORD
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complications, dental implant, maxillary sinus, maxillary sinus augmentation, posterior maxilla
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