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International journal of odontostomatology

versión On-line ISSN 0718-381X


BELTRAN, Víctor et al. Dental Gemination in a Permanent Mandibular Central Incisor: an Uncommon Dental Anomaly. Int. J. Odontostomat. [online]. 2013, vol.7, n.1, pp.69-72. ISSN 0718-381X.

Gemination is an anomaly in size, shape, and structure of the teeth. The primary dentition is more frequently affected, but gemination may occur in permanent dentitions, usually in the maxillary-incisal region. In geminated teeth, incomplete development of two teeth from a single bud results in a larger tooth crown with a single root and canal. In this study, a gemination case in a male patient, 13-year-old, with an ancestry of Aymara, who visited a private clinic in Antofagasta, Chile, for a routine check is presented. On intra-oral clinical examination of the coronary anatomy, the tooth 4.1 was observed with a large crown, bifurcated in the center of incisal zone. In addition, a groove extending from the bifurcation to the cementoenamel junction was noted. Radiographic examination revealed the presence of a single root canal and a single root. The pulp cavity was separated in two cavities, in accordance with the division caused by the observed bifurcation. This report describes a unique case of dental gemination of mandibular permanent central incisor in a subject with Aymara ancestry and discusses the differential diagnosis and possible future treatment options anticipated for this particular case.

Palabras clave : dental germination; permanent mandibular central incisor; radiographic anatomy; bifid crown.

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