Читать книгу Handbook of Oral Pathology and Oral Medicine - S. R. Prabhu - Страница 111

1.16 Talon Cusp: Key Features

Оглавление

 Talon cusp is a rare developmental anomaly presenting as a wisp‐like structure arising from the cervical region of anterior teeth

 Resembles an eagle's talonFigure 1.14 Periapical radiograph of talon cusp on a partially erupted upper left permanent maxillary incisor in an eight‐year‐old boy. Note V‐shaped radiopaque structure overlapping the affected crown with its apex directed incisally(source: Matthew Fergusson, https://en.wikipedia.org/wiki/File:Talon_cusp.png. Licensed under CC BY‐SA 4.0).

 In canines and incisors, it originates usually in the palatal cingulum as a tubercle projecting from the palatal surface

 Its prevalence varies from less than 1% to approximately 8%

 Radiographically, talon cusp appears as appears as a V‐shaped radiopaque structure overlapping the affected crown with its apex directed incisally (Figure 1.14)

 Symptoms include interference with occlusion, irritation of soft tissues, accidental cusp fracture and susceptible to dental caries

Handbook of Oral Pathology and Oral Medicine

Подняться наверх