Floating septum technique: easy and safe method maxillary sinus septa in sinus lifting procedure
정준호, 황보연, 김병수, 이정우,
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정준호 ( Jung Jun-Ho ) - Kyung Hee University School of Dentistry Department of Oral and Maxillofacial Surgery
황보연 ( Hwang Bo-Yeon ) - Kyung Hee University School of Dentistry Department of Oral and Maxillofacial Surgery
김병수 ( Kim Byung-Soo ) - Kyung Hee University Dental Hospital Department of Oral & Maxillofacial Surgery
이정우 ( Lee Jung-Woo ) - Kyung Hee University School of Dentistry Department of Oral and Maxillofacial Surgery
Abstract
Background: The presence of septa increases the risk of Schneiderian membrane perforation during sinus lift procedure, and therefore, the chance of graft failure increases. We present a safe method of managing septa and, in particular, overcoming small and palatally located septa.
Methods: After the elevation of the flap and the creation of a small bony window positioned anterior to the septum, the Schneiderian membrane is lifted carefully. A thin and narrow osteotome is then placed at the indentation created at the base of the septum, and mobilization of the septum is achieved by gentle malleting. The membrane is again carefully lifted up behind the septum.
Results: There was one small membrane perforation case in all 16 cases, and none of these patients showed postoperative complications such as implant failure, infection, or maxillary sinusitis.
Conclusions: This technique is useful for overcoming the problem of maxillary sinus septa hindering the sinus floor elevation procedure, leading to fewer complications.
키워드
Maxillary sinus; Sinus elevation; Septum
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