Supernumerary Maxillary Canine along with Transposition: A Case Report

Abstract

Introduction: Tooth transposition is considered as the anomaly of tooth position in two adjacent teeth; the most frequent locations include canine and first maxillary premolar. Transposition may happen along with hypodontia, supernumerary teeth, or the persistence of a deciduous predecessor. Supernumerary teeth are considered as the teeth in excess of the normal dentition. Supernumerary teeth can happen in any region of the dental arch. Nevertheless, having supernumerary tooth accompanied by transpositions in the canine area is a rare condition. The aim of this report was introducing a patient with supernumerary maxillary canine along with transposition. A 14-year-old boy without any skeletal, systemic, metabolic and mental problems was referred to the Orthodontic Department of Yazd Dental School, Yazd, Iran. In the clinical study of displacement of the upper canine in the anterior region of the upper jaw, which has led to crowding and buccal protrusion of the main canine of the upper jaw. This supernumerary canine tooth with displacement was discovered based on routine radiological examinations. Conclusion: The presence of a supernumerary tooth with transposition usually causes occlusion and functional problems in patients. In these cases, a complete clinical and radiographic examination along with a detailed history should be done in order to plan the appropriate surgical, orthodontic, and restorative treatment plan. Early detection is essential to prevent these problems.

Keywords

• ectopic tooth eruption
• supernumerary tooth
• canine tooth
• tooth abnormalities.