Abstract
This is a case report concerning the replacement of the right maxillary central incisor involving total displacement due to a trauma and followed for four years and six months.
The patient was a five year, eight month old girl who was injured and visited the Pediatric Dental Clinic in Tohoku University Dental Hospital two hours after the injury.
When the avulsed tooth was brought in by patient, it was wrapped in dry paper and Only the coronal third of its root was formed and its apex opened.
The tooth was replaced without root canal treatment because of expectation of pulp vitality, and fixed with a clear resin splint.
There was no remarkable change by visual inspection compared with the adjacent central incisor. The pulp did not respond to an electric pulp tester at the first visit, but the pulp response was recovered 2 years and 3 months as well as 3 years and 3 months after the replacement.
Finaly, at 4 years 6 months, the electrical pulpal response disappeared, but, no discoloration was observed.
