Grafting of the maxillary sinus floor with autogenous marrow and bone.
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ABSTRACT: Maxillary sinus septas are barriers of cortical bone that arise from the floor or from the walls of sinus and may even divide the sinus into two or more cavities. Morphologically maxillary sinus septa are generally oriented in buccopalatinal orientation horizontal or sagittal orientation of the sinus septa is a rare condition. This report presents two sinus lift case, in which observed septa in a horizontal orientation was presented. Both cases were fixed by an implant supported prosthethic restoration. Surgeons must know detailed knowledge about maxillary sinus anatomy for successful sinus augmentation. Computed tomography (CT) is useful for examining the maxillary sinus. Horizontal-type sinus septa are rarely seen. Surgeons must be aware of septa types and orientations. Copyright © 2015 The Authors. Published by Elsevier Ltd.. All rights reserved.05/2015; 44. DOI:10.1016/j.ijscr.2015.05.001
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ABSTRACT: The alveolar antral artery (AAA) is a vascular structure that often passes through the area of lateral window opening during sinus augmentation and can reach dimensions that, if the vessel is severed, can represent a serious complication of the surgical procedure. With this narrative review, we aimed at summarizing the results obtained from all the studies that analyzed the variability in anatomical position and dimension of the AAA in order to give the clinician a reference when planning for a sinus augmentation surgery. A search of available literature was conducted using electronic databases (PubMed and Medline) and manual searching. Detection rate of AAA on cone beam computerized tomography (CBCT) is variable and may depend upon the experience of the clinician. The course of the vessel is most frequently intraosseous, and its diameter, despite being smaller than 1 mm in most of the cases, can have a high incidence of diameters between 1 mm and 2 mm. Mean distances of the AAA from alveolar crest and sinus floor range from 11.25 mm to 26.90 mm and 5.80 mm to 10.40 mm. Anatomical variants of the AAA that may increase the risk of severe intraoperatory bleeding are frequent and must be detected by the clinician implementing the use of the CBCT. © 2015 Wiley Periodicals, Inc.Clinical Implant Dentistry and Related Research 05/2015; DOI:10.1111/cid.12355 · 2.80 Impact Factor
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ABSTRACT: The purpose of this study is to evaluate sinus membrane perforations and the incidence of complications in a residency program. Data from 107 consecutive direct sinus augmentation procedures were reviewed retrospectively from 2008 to 2012. All perforations were repaired intraoperatively with the use of a collagen tape. Intraoperative membrane perforations were observed in 64 of 107 cases (59.8%). Of the perforations, 58 were less than 5 mm in diameter and 6 were 5 mm or greater in diameter. It was found that there were 6 cases (5.6%) that experienced postoperative complications. Of those, 3 occurred in cases with no perforations, 2 with perforations less than 5 mm in diameter, and 1 with a perforation 5 mm or more in diameter. These differences were not statistically significant (P > .05). All observed post-operative complications were related to symptoms of acute infection. Although membrane perforation was a frequent intraoperative finding, there was no evidence that the presence and size of membrane perforation influences the likelihood of postoperative complications. Copyright © 2015 Elsevier Inc. All rights reserved.Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontology 02/2015; 38. DOI:10.1016/j.oooo.2015.02.477 · 1.46 Impact Factor