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One imp, tsv, mcol mg, 6.0mm, 13mm, mtx (tsvm6b13) was returned for investigation.Visual evaluation of the product identified signs of use.Bone debris on external threads.Fractured collar was identified.Bone loss could not be verified.Summary investigation attached in complaint.Functional testing could not be performed since the product was fractured.Pre-existing condition noted on the per was low bone density ¿ type iii, bruxism, and placed on a previously allografted site.The reported device had been placed on tooth #3 (universal) for approximately 4 years.X-ray or picture image was not provided.Appropriate documentation was reviewed.Dhr review for the lot (1220484) had revealed no deviations nor non-conformances which could have caused or contributed to the reported events.All products were conforming at the time they left zimvie.Lot was inspected and passed all acceptance criteria by qa.Complaint history review was performed for the reported lot number (1220484) for similar events and no other complaint was identified.Mar post market trending was reviewed and there were no actionable events or corrective actions for the reported event or product.Therefore, based on the available information, device malfunction (fracture) did occur, and the reported event was confirmed.Bone loss could not be verified.Summary investigation attached in complaint.The following sections have been updated: g6: checked "follow-up." h3: changed "no" to "yes.".
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