Journal of the Korean Academy of Pediatric Dentistry 2007;34(3):454-460.
Published online August 31, 2007.
TREATMENT FOR ROOT FRACTURE ON THE IMMATURE MAXILLARY PERMANENT CENTRAL INCISOR
Ki-Baek Kim, Seon-Mi Kim, Nam-Ki Choi, Kyu-Ho Yang
Department of Pediatric Dentistry, School of Dentistry, Chonnam National University, Dental Research Institute & Second Stage of BK21 
Correspondence:  Nam-Ki Choi,  Tel: 062-220-5476, Email: hellopedo@hanmail.net
Abstract
Traumatic dental injuries in childhood and adolescent occurred more frequently than in adult. The time between the accident and the treatment is one of the most critical factors to prognosis, and because of the limited time available to examine and treat patients with traumatic dental injuries, if not treat appropriately, the result would be critical for the patient. In the previous studies, the prevalence and incidence of traumatic injuries were the most frequent at the age of 8 to 10 years, the majority of dental injuries involve the anterior teeth, especially the maxillary incisors, and males were more prevalent than females in an approximated proportion of 2:1. As the mean age of complete root formation is 10 years old, the maxillary permanent incisor involved in the most affected age group is usually immature, and the possibility of pulpal healing through excellent revascularization exists, more positive prognosis for pulp vitality would be expected. These are treatment cases of the immature maxillary permanent central incisor involved in the traumatic injury, and reports for progress and results of preserving the pulp vitality through the conservative treatment instead of the conventional endodontic root therapy.
Key Words: Traumatic dental injury, Root fracture, Immature permanent teeth, Pulp vitality


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