The patient information was not provided when asked.The date of event was not provided.Implant and explant dates: this information was provided the device investigation has been completed and the results are as follows: device history record: the dhr was reviewed and there was no evidence discovered to indicate that a product defect or non-conformity contributed to the issue.The part met all the criteria called for in the production router.Returned sample: customer returned one clinical scan abutment with an abutment screw installed, but not in the original package.Complaint investigator and sme separated the abutment screw from abutment and inspect under the microscope (20x).No defect or non-conformity was observed.No wear and tear of the threads was observed from the abutment screw.Qa inspector used a tool scope (asset #1102) and micrometer to measure the critical connecting features from scanning abutment and abutment screw (circled in red).Both parts met the specifications called for in daw 3022210 rev 3.0 (inclusive clinical scanning abut.) and daw 3001878 rev 7.0 (inclusive titanium scanning abutment screw).The detailed measurement results were recorded in red color below.Root cause: the root cause cannot be explicitly determined.Based on dhr review and the inspection results from returned parts, no product deformity or nonconformity was observed and the parts met the specification.Customer did not provide the detailed information about their choice of straumann parts.In addition, customer did not provide the radio-graphic pictures (as they mentioned) to verify the seating of the abutment.
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