Lateral incisor agenesis, canine impaction and characteristics of supernumerary teeth in a South European male population

Konstantina Delli; Christos Livas; Michael M. Bornstein

doi:10.4103/1305-7456.115410

European Journal of Dentistry, Table of Contents

CC BY-NC-ND 4.0 · Eur J Dent 2013; 07(03): 278-283
DOI: 10.4103/1305-7456.115410

Original Article

Dental Investigation Society

Lateral incisor agenesis, canine impaction and characteristics of supernumerary teeth in a South European male population

Authors

Konstantina Delli

¹Department of Oral Medicine and Pathology, 251 Hellenic Air Force VA General Hospital, Athens, Greece

²Department of Oral Surgery and Stomatology, University of Bern, Bern, Switzerland
Christos Livas

³Department of Orthodontics, 251 Hellenic Air Force VA General Hospital, Athens, Greece

⁴Department of Orthodontics and Dentofacial Orthopedics, University of Bern, Bern, Switzerland
Michael M. Bornstein

²Department of Oral Surgery and Stomatology, University of Bern, Bern, Switzerland

Abstract

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ABSTRACT

Objective: To assess the prevalence of lateral incisor agenesis impacted canines and supernumerary teeth in a young adult male population. Materials and Methods: The panoramic radiographs of 1745 military students (mean age: 18.6 ± 0.52 years) who attended the Center of Aviation Medicine of the Armed Forces of Greece during the period 1997-2011 were initially analyzed for lateral incisor agenesis by two observers. After exclusion of the known orthodontic cases, a subgroup of 1636 examinees (mean age: 18.6 ± 0.44 years) was evaluated for canine impaction and supernumerary teeth. Results: Twenty-eight missing lateral incisors were observed in 22 military students, indicating an incidence of 1.3% in the investigated population. No lateral incisor agenesis was detected in the mandibular arch. A prevalence rate of 0.8% was determined for canine impaction in the sample of young adults. The majority of impacted teeth (86.7%) were diagnosed in the maxillary arch. Thirty-five supernumerary teeth were observed in 24 examinees (prevalence rate: 1.5%). The ratio of supernumerary teeth located in the maxilla versus the mandible was 2.2:1. The most common type of supernumerary tooth was the upper distomolar. Conclusion: The prevalence of lateral incisor agenesis, canine impaction, and supernumerary teeth ranged from 0.8 to 1.5% in the sample of male Greek military students.

Key words:

Canine impaction - lateral incisor agenesis - prevalence - supernumerary teeth - young male adults

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References

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