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KMID : 0602720130170020080
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Implantology
2013 Volume.17 No. 2 p.80 ~ p.86
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Application of a Simple Repair Technique for Small-Sized Perforations of Schneiderian Membranes: Case Report
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Jeon In-Seong
Heo Min-Suk
Han Kwang-Heung
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Abstract
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Maxillary sinus membrane perforation is not unusual during sinus lift procedures. The perforation of sinus membranes can cause maxillary sinusitis, graft failure and osseo-integration failures. Therefore, perforations of the maxillary sinus membranes should be carefully treated to obtain a successful result in implant restorations with sinus grafting. In cases of sinus perforation, the implant installation or sinus grafting has been delayed. However, if an adequate repair technique can be applied using a lateral window approach, then sinus grafting with or without dental implantations can be accomplished without any complications. Two cases in which sinus membrane perforations occurred during sinus lifting procedures are reviewed in this report. The perforated area in each case was at the margin of the detached lateral bony window, although the size was small, it was not ignored. Therefore, an additional bony window was formed at the margin at which the perforation occurred; thus, the perforation point became surrounded by a visible, intact sinus membrane, and the intact sinus membrane was lifted. The perforated area was covered with collagen membranes, accompanied by sinus bone grafting and implant installation. The repair of sinus membrane perforation was verified by radiographic examination, and a clinically good prognosis was observed during the follow-up period.
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KEYWORD
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dental implants, perforation, repair, schneiderian membranes, sinus floor augmentation
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