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Zimmer biomet complaint number (b)(4).E1: reporter last name unknown / not provided.G4: additional pma/510(k) number ¿ k011028|k013227.A summary investigation has been completed for bone loss events recognizing that a definitive root cause cannot be identified due to a wide range of external factors (non-design or manufacturing related), including medical conditions (e.G., diabetes, poor bone quality, etc.) / patient habits (e.G., smoking) and surgical technique.Previously completed investigations for bone loss have not identified any signals indicating potential non-conformances affecting the manufacturing and sterilization processes.Furthermore, the probability of manufacturing or design defects that might lead to bone loss and escaping the available detections has been assessed and found remote and almost nonexistent.Should additional information be received which indicates that the device may have caused or contributed to the event, an additional report will be submitted.
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It was reported that implant tooth site #19 area lingual was being worked up for medication-related osteonecrosis of the jaw (mronj), when exploration was done it was noted that implant at tooth site #18 was compromised, the patient had experienced bone loss at implant tooth site #18 and it was removed.Bone was submitted for biopsy, culture and sensitivity.
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