Dens Invaginatus, Clinically as Talons Cusp: An Uncommon Presentation

Attur, M. Kailash; Shylaja, M.D.; Mohtta, Archana; Abraham, Sathish; Kerudi, Veerendra
September 2011
Indian Journal of Stomatology;2011, Vol. 2 Issue 3, p200
Academic Journal
Talon cusp is an anomalous structure resembling an eagle's talon, projects lingually from the cingulum area ofamaxillary or mandibular permanent incisor. It is composed of normal enamel and dentin and contains a horn of pulp tissue. Dens invaginatus is a malformation ofthe teeth characterized by an early invagination ofthe enamel and dentine that can extend deep into the pulp cavity and to the roots and sometimes reach the apex. Dens invaginatus is classified as Type I, II and III by Oehlers depending on the severity of malformation. Frequently structural defects exist in the depth of invagination pits, as a consequence, the early development of caries and the subsequent necrosis of the dental pulp, as well as abscess and cyst formation are clinical implications associated with dens invaginatus. The treatment of dens invaginatus depends on the type of invaginatus and the degree of complexity ofthe root canal morphology. Occasionally we can see more than one developmental anomaly occurring in a single tooth. In such cases it becomes important to identify the anomalies and initiate a proper treatment plan for a favorable prognosis. Herewith we are reporting an asymptomatic case of dens invaginatus which clinically presented as huge talon cusp and which was treated by grinding the talon and an intentional root canal treatment was done preserving the dens.


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