An unintended hole was drilled in to the patient's mandibular body during the utilization of 3d systems polyamide genioplasty marking guide in surgery.The additional hole was identified after the fixation of custom plates.A discrepancy between the genioplasty marking guide provided to the surgeon and the guide represented in the case report was identified during the investigation.The design of the genioplasty marking guide was revised in process (removal of two (2) marking holes for custom plate fixation) and the case report was not properly updated to document the design revision.A titanium alloy genioplasty marking guide, for use to interface with surgical cutting and drilling tools, was provided with the case.Guidance for use of polyamide and titanium guides was provided in the operative technique section of the case report.The surgical outcome was successful with no adverse affect to the patient.
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