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KMID : 0355620130390020094
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Journal of Korean Association of Oral and Maxillofacial Surgeons
2013 Volume.39 No. 2 p.94 ~ p.99
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Displacement of dental implants into the focal osteoporotic bone marrow defect: a report of three cases
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Lee Sang-Chil
Jeong Chang-Hwa
Lim Ho-Yong
Kim Seong-Young
Yeom Hak-Yeol
Kim Hyeon-Min
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Abstract
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Focal osteoporotic bone marrow defect (FOBMD) is a radiolucent area corresponding to the presence of hematopoietic tissue rarely found in the jaws. FOBMD is most commonly located in the mandibular edentulous posterior area of a middle-aged female. From November 2011 to November 2012, we experienced three cases involving removal of implants that had accidentally fallen into the FOBMD area. All patients happened to be female, with a mean age of 54 years (range: 51-60 years). One case involved hypoesthesia of the lower lip and chin, while two cases healed without any complication. Displacement of an implant into the FOBMD area is an unusual event, which occurs rarely during placement of a dental fixture. The purpose of this study was to report on three cases of FOBMD and to provide a review of related literature.
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KEYWORD
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Bone marrow, Defect, Displacemen, Implant, Focal, Osteoporotic
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