Figure 3. Erythroid, granulocytic, monocytic and lymphocytic series are illustrated, as well as megakaryocytes (hematoxylin and eosin, original magnification ×400)

Figure 2. Normal hematopoietic cells, fat cells and bone trabeculae (hematoxylin and eosin, original magnification ×200)

  Figure 1. The periapical radiograph revealed the presence of an extensive and poorly circumscribed osteoporotic area around the proximal implant

Only few cases of the focal osteoporotic bone marrow defect associated with dental implants has been described in the English literature. Sençimen et al. (2011) reported a clinical case in which the focal osteoporotic bone marrow defect occurred 2 years postoperatively apical to a dental implant in posterior mandible region and the diagnosis was established based on the combination of clini...

  Case presentation An 84-year-old white woman was referred to private dental clinic for an implant rehabilitation treatment. Intraoral examination revealed healthy mucosa and there was not any sign of infection. Her past medical history was unremarkable. The radiography of the molar region showed with a quite ill-defined radiolucent area presenting irregular borders associated to dental impl...

Abstract In oral implantology, the most serious complications occur intraoperatively or within a short period. We describe an unusual case of focal osteoporotic bone marrow defect involving dental implant in the posterior mandibular region of the adult woman. Despite the fact that this condition requires no treatment, it could lead to the displacement of the dental implant. Additionally, th...