Journal of the Korean Academy of Pediatric Dentistry 2011;38(4):376-382.
Published online November 30, 2011.
A SURVEY ON THE PREOPERATIVE CONDITIONS OF ENDODONTICALLY TREATED FIRST MOLARS IN CHILDREN AND ADOLESCENTS
Soon-Young Lee, Kyung Ho Lee, Hong-Seok Noh, Tae-Sung Jeong, Shin Kim
Department of Pediatric Dentistry, School of Dentistry, Pusan National University 
Correspondence:  Shin Kim,  Tel: 055-360-5180, Email: shinkim@pusan.ac.kr
Received: 15 June 2011   • Accepted: 5 November 2011
Abstract
In clinical dentistry, it is not difficult to meet the permanent first molars with severe coronal caries lesions in children or adolescents. The circumstances surrounding the first molars of children and adolescents are so immature and imperfect compared with those of adults. So we thought it significant to understand the status of these teeth at the moment of endodontic treatment and immediate cause of it. 106 patients with 135 permanent molars necessitating endodontic treatment in childhood and adolescence were included in this study, and the dental records and radiographs were examined. 1. The mean age was 11.9 year (male 11.5, female 12.5) and the result shows significant difference between gender(p<0.05). The mandibular teeth took more than half percentage than maxillary teeth. 2. Of 135 teeth, 45.2 percent of teeth had history of dental treatment previously and 16.3 percent of teeth showed necessity of re-endodontic treatment. 3. Of 73 teeth, 22 teeth had mesial-wall cavity causing endodontic treatment, 39 had occlusal cavity, and 12 had distal cavity.
Key Words: Child and adolescent, First permanent molar, Endodontic treatment


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