Abstract
Talon cusp is a rare dental anomaly that appears as a cusp-like projection on anterior teeth. Although numerous articles considering this anomaly have been published, this report has displayed a unique presentation of talon cusp. This case series is the first report in literature on which talon cusp has been presented in multiple siblings which highlights the genetic/familial component of the etiology. The report has also displayed unfamiliar morphological appearance (heart shape) of the talon cusp. Furthermore, talon cusp has shown an association with taurodontism in this report. Taurodontism has never been mentioned in the previous literature among the odontogenic variations that may associate talon cusp. A 25-year-old male has presented with talon cusps on the palatal surface of anterior teeth. Family history revealed four of his siblings had the same anomaly on anterior teeth. Talon cusps in the five cases cause clinical problems like occlusal interference, displacement and proclination of the anterior tooth, caries in the grooves delineating talon cusp, or pulp necrosis. Free dental treatment has been offered in the university clinic. However, they live in remote rural areas making it difficult to follow up with treatment.
Highlights
Talon cusp is a developmental dental anomaly in which an accessory cusp arises from the cingulum or cementoenamel junction of the anterior teeth in maxilla or mandible
Talon cusp was first reported in 1892 by Mitchell, who reported a maxillary central incisor with a horn-like bulge extending from the palatal surface [4]
Most of the papers concerning talon cusp have entitled and focused on dens evaginatus, as previous literature considers them as one entity
Summary
Talon cusp is a developmental dental anomaly in which an accessory cusp arises from the cingulum or cementoenamel junction of the anterior teeth in maxilla or mandible. It can affect deciduous or permanent teeth [1]. Talon cusp was first reported in 1892 by Mitchell, who reported a maxillary central incisor with a horn-like bulge extending from the palatal surface [4]. A previous literature review has considered talon cusp as a descriptive term of dens evaginatus on the lingual surface of anterior teeth [10]. The present report describes five siblings with talon cusps in all upper anterior teeth
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