The analysis gives strong indication that the root cause of the event is insufficient retention of the sicat optisleep device.During sleep the mandibular part of the device dislodged from the correct position on the mandible.Simulations show that forces from biting on the device in dislodged position accurately reproduce the pattern of the fracture of the device.The dentist recommended to report the event.He thinks, that if a similar event were to recur, small pieces of a fractured device might be aspirated, possibly resulting in a serious injury.
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