There has been a previous report received with a similar device where this malfunction resulted in a serious injury.Therefore, it must be presumed that recurrence of this malfunction could possibly cause or contribute to a serious injury or require medical or surgical intervention to preclude such.As such, this event is reportable per 21cfr part 803.In this event, no injury was reported.The file is not held by the contra angle, this is a known failure mode that can be resulted from various causes the number of reuse of the instrument, the experience of the dentist, an issue with the contra angle/motor, or a defect in the instrument.
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