TREATMENT OF TRANSPOSED AND IMPACTED MAXILLARY ANTERIOR REGION : A CASE REPORT

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Journal of the Korean Academy of Pediatric Dentistry 1999;26(4):630-635.
Published online November 30, 1999.

TREATMENT OF TRANSPOSED AND IMPACTED MAXILLARY ANTERIOR REGION : A CASE REPORT

전위 매복된 상악 측절치와 상악 견치의 치험례

이기영, 최형준, 손흥규

연세대학교 치과대학 소아치과학교실

Abstract

Transposition has been described as an interchange of position of permanent tooth and is a relatively rare dental anomaly. Transposition of teeth may occur both in the maxillary and mandibular arches. but it appears more often in the maxilla of individual teeth, the maxillary canine is the most often involved. A canine transposes most often with a first premolar and less frequently transposes with a lateral incisor. Incomplete transposition is a condition describing an interchange in the position of the crowns of two permanent teeth, while the root apices remain in their relative position. Complete transposition is a situation in which both the crowns and entire root structure are transposed. The etiologic factors of transposition are tooth buds interchange, retained deciduous canines, migration of the erupting canine, trauma to deciduous teeth etc. This report describes a case of a transposition between a maxillary left canine and a lateral incisor and impaction of a maxillary left central incisor due to trauma to deciduous dentition.

Key Words: Maxillary canine, Transposition, Trauma