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Spontaneous bone formation in the maxillary sinus after removal of a cyst: coincidence or consequence?
Umeå University, Faculty of Medicine, Odontology, Oral and Maxillofacial Surgery.
2003 (English)In: Clinical Implant Dentistry and Related Research, Vol. 5, no 2, 78-81 p.Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: Maxillary sinus floor-augmentation techniques are frequently used to increase the bone volume in the posterior edentulous maxilla to enable placement and integration of titanium implants. PURPOSE: The purpose of this report is to document an unexpected healing pattern after maxillary sinus surgery and to discuss the implications for future bone-augmentation techniques. MATERIALS AND METHODS: In a patient referred for sinus augmentation, an intrasinus mucosal cyst was removed 3 months prior to the planned augmentation procedure. A replaceable bone window was prepared in the lateral aspect of the sinus wall. The cyst was removed, the ruptured mucosa was sutured, and the bone window was replaced, resulting in a secluded space in the sinus. RESULTS: After 3 months of healing, the space between the replaced bony window and the lifted sinus membrane was filled with newly formed bone. The surgical technique was repeated in a second patient and resulted in a similar bone reformation pattern. CONCLUSION: Surgical trauma and the creation of a secluded space between the bone surfaces and the sinus mucosa result in spontaneous bone formation in the maxillary sinus. The surgical approach described may be used to achieve bone reformation to enable placement of dental implants without the addition of any grafting material.

Place, publisher, year, edition, pages
2003. Vol. 5, no 2, 78-81 p.
URN: urn:nbn:se:umu:diva-17695PubMedID: 14536041OAI: diva2:157368
Available from: 2007-11-15 Created: 2007-11-15 Last updated: 2011-01-13Bibliographically approved

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