Zimmer biomet (b)(4).One certain gold-tite hexed screw (iunihg) was returned for investigation.Visual evaluation of the returned product, identified signs of use, but no apparent malfunction.Functional testing was performed.And screw engaged with in-house device normally.No pre-existing conditions were noted.The device had been placed on a tooth location (b)(6) fdi, for approximately 2 months.Review of appropriate documentation: documents reviewed: biomet 3i restorative products ifu (p-iis086gr) rev f - october 2019.Information identified: warnings, precautions and potential adverse events.Per the applicable ifu, under section precautions, it is stated that improper technique could cause screw loosening.Dhr review: dhr review could not be performed, as the lot number associated with the reported device was not available.However, zimmer biomet quality management system (qms), has controls in place to ensure the distribution of conforming products within specifications.Complaint history review: a year-long complaint history review by item number (iunihg), was performed for similar events using keyword screw loosening.And no complaint about nonconforming products was identified.Post market trend review: october post market trending was reviewed.And there were no actionable events or corrective actions for the reported event (functional: loosening) or product (iunihg).Therefore, based on the available information, device malfunction has not occurred.And the reported events could not be verified, as the exact details of event were non-verifiable.
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