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This report is being submitted to relay additional information and device evaluation.The following sections are being reported: h6: investigation type codes were added: 3331, 4109, 4110, 4111 and 4114.H6: investigation findings code was added: 3252.H6: investigation conclusions codes were added: 4307.One (1) imp tm 4.1mm mtx full,13m (tmt4b13) was not returned for investigation.Visual inspection could not be performed.However, evidence of malfunction that correlates with the complaint description was confirmed via x-ray.Based on the evaluation, device malfunction has occurred.However, there is no existing nonconformance / capa / hhe/d / ie / product hold against the reported device that did or could cause or contribute to the reported event.Monthly post market trending review identified no adverse trends or actionable trends for the reported event or device.Zimvie quality management system (qms) has controls in place to ensure the distribution of conforming product.Therefore, based on the available information, the product was within specifications and conforming when it left zimvie.Dhr review was completed for the subject lot number (1226159).It was confirmed that all operations and inspections were executed as per applicable procedure.No deviations or non-conformances, which could have caused or contributed to the reported event, were noted as part of the dhr.Lot was inspected and passed all acceptance criteria by qa.Complaint history review was performed for the reported lot number (1226159) for similar events and no other complaint was identified.Functional testing could not be performed due to the nature of the device and event.Therefore, the reported event could not be recreated.A definitive root cause could not be determined.However, based on the investigation, risk review and ifu, the most likely causes determined from the investigation are inadequate treatment planning, clinician selects implant that is unable to resist long-term occlusal loading, clinician places implant in a patient with patient factors (e.G., bruxism) incompatible with long-term osseointegration of implant.No further investigation or immediate capa / hhe/d escalation is required, as the complaint investigation did not confirm the product was nonconforming at the time of distribution, and no new failure mode, harm, or hazardous situation was identified through the investigation performed.
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