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Case report: impacted mandibular permanent canine

Type:  Articles

Pubblication date:  /3/2005

Authors:  V. Ahiropoulos

Language:  English

Institution:  Department of Operative Dentistry, School of Dentistry, Aristotle University of Thessaloniki, Greece

Publication:  European Journal of Paediatric Dentistry

Publisher:  Ariesdue Srl

Keywords:  Canine, Mandible, Impaction

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Title:  Case report: impacted mandibular permanent canine

Abstract:  Background Impacted teeth are those that have not erupted during the time of their normal eruption and remain in the jaws where they are surrounded completely or partially by hard or soft tissues. Impaction is clinically common, involving 20% of the population. The majority of impacted teeth are third molars followed by maxillary canines and the mandibular premolars. Case report A 9-year old girl presented with pain from her lower right part of the mandible and dissatisfaction with the appearance of her teeth. Clinical examination revealed an abscess associated with a root of a primary tooth, caries and infraocclusion of her lower left first primary molar. An orthopantomograph showed hypodontia associated with absence of the left maxillary lateral incisor, mandibular right second and left first premolars. The left mandibular permanent canine was lying horizontally. Treatment Because of the patientís age and presence of remaining teeth, it was decided to extract the mandibular left primary canine and first molar; a lingual arch type space maintainer was fitted. For the rest of the anomalies it was decided to keep the patient under clinical review at 6 months intervals. Follow-up Eruption of the right permanent canine was noted six months later, whereas on the left side there was no evidence of the canine, even on palpation, and a clinical diagnosis of impaction was made. Monitoring was continued. When the patient was 11 years old, 18 months later, a new oral examination revealed a swelling associated with the eruption of the impacted canine. A new orthodontic assessment was made and it was decided to surgically expose the unerupted canine. However, the patient refused this treatment and 6 months later oral examination showed the canine had erupted. The space maintainer was removed and she was referred for further orthodontic treatment. Conclusion The eruption of an impacted mandibular canine is unreliable in individuals. However, this clinical report highlights the need for early diagnosis and treatment to avoid unnecessary extraction.

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