Additional information: (ethnicity), methods, results, and conclusions: the returned rongeur was examined.The jaw was confirmed to have fractured off.The cause cannot be determined, but similar events have found that the jaws have fractured when high forces were applied, as when the jaw was used to cut bone instead of the disc material.There were no manufacturing issues detected which would have contributed to this event.The labeling was reviewed and found to contain instructions regarding device usage.
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