Preserving avulsed teeth for replantation.

We performed a retrospective study of 34 replanted avulsed teeth placed in an EPTS before replantation. Even when extraoral time was 120 minutes or more, 91 percent of the teeth showed excellent or moderate success for follow-up periods ranging from three to 30 months. We think that the success of a replanted avulsed tooth is increased by use of a prefabricated tooth preserving and protecting system as described.