Abstract
BackgroundTalon cusp is a supernumerary structure projecting from the dento-enamel junction to a variable distance towards the incisal edge of an anterior tooth. Studies have shown that it consists of enamel, dentine and a variable amount of pulp tissue. Hyperactivity of the enamel organ during morphodifferentiation has been attributed to its formation. Most previous reports have been made concerning the occurrence of this structure on primary and permanent teeth and mostly on the palatal aspect. Only few have been reported on the facial aspect of the teeth. When it occurs, the effects are mainly aesthetic and functional and so early detection and treatment is essential in its management to avoid complications.Case presentationAn unusual case of talon cusp on the facial aspect of a mandibular central incisor is reported. Its presence resulted in attrition of the opposing tooth. Reduction of the cusp and topical application of fluoride gel was initiated.ConclusionThe management and treatment outcome of talon cusp depends on the size, presenting complications and patient cooperation.
Highlights
Talon cusp is a supernumerary structure projecting from the dento-enamel junction to a variable distance towards the incisal edge of an anterior tooth
The management and treatment outcome of talon cusp depends on the size, presenting complications and patient cooperation
This unusual dental anomaly showing an accessory cusplike structure projecting from the cingulum to the cutting edge was first described by Mitchell in 1892 [1]
Summary
This unusual dental anomaly showing an accessory cusplike structure projecting from the cingulum to the cutting edge was first described by Mitchell in 1892 [1]. There is a wide variation in the size and shape of this anomaly Due to this variation, and in order to have a diagnostic criteria, it has been classified into 3 types by Hattab et al [9]: Type: Talon – refers to a morphologically well-delineated additional cusp that prominently projects from the palatal (or facial) surface of a primary or permanent anterior tooth and extends at least half the distance from the cemento-enamel junction to the incisal edge. Orthodontic alignment of the displaced central incisor was planned With his consent, after oral prophylaxis, a minimal reduction of the PsFheigoriuw-aripneigc2athl eraidnivoegrrtaepdhVo-fshthaepemdatnadloibnuclaurspleft central incisor Peri-apical radiograph of the mandibular left central incisor showing the inverted V-shaped talon cusp. It was assumed that as the patient was not initially concerned with the aesthetic effect of the cusp, the outcome was not important to him
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