Journal of Conservative Dentistry
Home About us Editorial Board Instructions Submission Subscribe Advertise Contact e-Alerts Login 
Users Online: 635
Print this page  Email this page Bookmark this page Small font sizeDefault font sizeIncrease font size
 


 
Table of Contents   
SHORT COMMUNICATION  
Year : 2012  |  Volume : 15  |  Issue : 1  |  Page : 87-88
A facial talon cusp on maxillary permanent central incisors


1 Department of Conservative Dentistry and Endodontics, Indira Gandhi Institute of Dental Sciences, Puducherry, India
2 Department of Conservative Dentistry and Endodontics, Vaidik Dental College and Hospital, Chennai, India
3 Department of Conservative Dentistry and Endodontics, Ragas Dental College and Hospital, Chennai, India
4 Department of Prosthodontics, Narayana Dental College and Hospital, Chintareddy Palem, Andhra Pradesh, India

Click here for correspondence address and email

Date of Submission30-Apr-2011
Date of Decision06-Jul-2011
Date of Acceptance05-Aug-2011
Date of Web Publication4-Feb-2012
 

   Abstract 

Talon cusp is a dental anomaly that occurs as an accessory cusp like structure, from the cingulum of maxillary and mandibular anterior teeth. Lingual location is usually considered pathognomic. This case report discuss about the unusual appearance of talon cusp on the facial surface of the maxillary left permanent central incisor and a mild talon cusp on the facial surface of the maxillary right permanent central incisor.

Keywords: Facial cusp; maxillary permanent central incisors; talon cusp

How to cite this article:
Chinni S, Nanneboyina M, Ramachandran A, Chalapathikumar H. A facial talon cusp on maxillary permanent central incisors. J Conserv Dent 2012;15:87-8

How to cite this URL:
Chinni S, Nanneboyina M, Ramachandran A, Chalapathikumar H. A facial talon cusp on maxillary permanent central incisors. J Conserv Dent [serial online] 2012 [cited 2019 Jul 23];15:87-8. Available from: http://www.jcd.org.in/text.asp?2012/15/1/87/92615

   Introduction Top


Talon cusp is a morphologically well delineated accessory cusp. It is an anomalous structure projecting from the cingulum area or the cemento enamel junction, and extending to at least half the distance to the incisal edge of the maxillary or the mandibular anterior teeth in both the primary and permanent dentitions. [1] Lingual location of the talon cusp is considered pathognomonic. [2]

Males show a higher frequency of talon cusp than females. It may be unilateral or bilateral, with a predilection for maxilla over mandible, and more common in the permanent dentition. The most commonly involved teeth are the maxillary lateral incisors in the permanent dentition. [3] This is a case report of a patient with the rare anomaly of facial talon cusp on the maxillary left permanent central incisor and a mild talon cusp on the maxillary right permanent central incisor.


   Case Report Top


A 25-year-old male reported to the Department of Conservative Dentistry and Endodontics for the restoration of his carious teeth. Examination of the oral cavity revealed a well-defined talon cusp i.e 3 to 5 mm in width and extends in height from cemento enamel junction to 1 mm short of the incisal edgeon the facial surface of the maxillary left permanent central incisor and a mild talon cusp on the facial surface of the maxillary right permanent central incisor, and congenitally missing maxilary first pre-molars. Talon cusp of the maxillary left permanent central incisor extended from the cementoenamel junction to 1 mm short of the incisal edge from the crown labially [Figure 1]. Radiographic image shows a prominent V-shaped radioopaque structure superimposed on maxillary left permanent central incisor and mild V-shaped radioopaque structure superimposed on maxillary right permanent central incisor [Figure 2]. The affected tooth responded normally to electric pulp testing. The medical history was non contributory.
Figure 1: Facial talon cusp i.e 3 to 5 mm in width and extends in height from cemento enamel junction to 1 mm short of the incisal edge on the facial surface of the maxillary left permanent central incisor and a mild talon cusp on the facial surface of the maxillary right permanent central incisor

Click here to view
Figure 2: Radiographic image shows a prominent V-shaped radioopaque structure superimposed on maxillary left permanent central incisor and mild V-shaped radioopaque structure superimposed on maxillary right permanent central incisor

Click here to view



   Discussion Top


Talon cusp usually occurs on the lingual surfaces of teeth. Prevalence rates of the lingual talon cusps as per studies by different authors, and references to case reports of facial talon cusps in literature have been given in [Table 1] and [Table 2] respectively. Talon cusp is usually asymptomatic, and often diagnozed as an incidental finding on routine dental examination. If symptomatic, talon cusp usually causes problems related to occlusion, speech and aesthetics. Associated grooves may lead to plaque retention leading to dental caries. If cusp is severely worn off due to masticatory forces, it may lead to pulpal exposure. Direct composite restorations can be considered for aesthetic correction of the talon cusp if present on labial surface.
Table 1: Prevalence of lingual talon cusps as per studies by different authors

Click here to view
Table 2: Case reports of facial talon cusps by various authors in literature

Click here to view


For the present case, no treatment was rendered due to lack of parental consent owing to superstitious beliefs. Occlusal Composite restorations were carried out for the posterior teeth which was the chief complaint of the patient.

Etiology of talon cusp is not clear. It has been postulated that the formation of this anomaly occurs during the morphodifferentiation stage. It is also suggested that its formation may be a result of upward folding of the inner enamel epithelial layer and transient focal hyperplasia of the mesenchymal dental papilla. According to another opinion, the formation of talon cusp may be due to hyperproductivity of the anterior ends of dental lamina. It is considered that talon cusp can originate as a result of the interaction of genetic and environmental factors. [4]

There was no data on the other affected family members and no history of consanguinity with the parents was present. Maxillary first premolar was missing in each quadrant. There were no clinical signs or symptoms of any genetic syndromes. No obvious developmental abnormalities were seen. For these reasons, the findings of facial talon cusp in this case should be considered as an isolated developmental abnormality.[10]

 
   References Top

1.Hattab FN, Yassin OM, Al-Nimri KS. Talon cups in permanent dentition associated with other dental anomalies: Review of literature and reports of seven cases. ASDC J Dent Child 1996;63:368-76.  Back to cited text no. 1
[PUBMED]    
2.McNamara T, Haeussler AM, Keane J. Facial talon cusps. Int J Paediatr Dent 1997;7:259-62.  Back to cited text no. 2
[PUBMED]    
3.Davis PJ, Brook AH. The presentation of talon cusp: Diagnosis, clinical features, associations and possible aetiology. Br Dent J 1986;160:84-8.  Back to cited text no. 3
[PUBMED]    
4.Oredugba FA. Mandibular facial talon cusp: Case report. BMC Oral Health 2005;8:5-9.  Back to cited text no. 4
    
5.Sedano HO, Freyre IC, Garza de la Garza ML, Gomar Franco CM, Grimaldo Hernandez C, Hernandez Montoya ME, et al. Clinical orodental abnormalities in mexican children. Oral Surg Oral Med Oral Pathol 1989;68:300-11.  Back to cited text no. 5
    
6.Rusmah, Meon. Talon cusp in Malaysia. Aust Dent J 1991;36:11-4.  Back to cited text no. 6
[PUBMED]    
7.Chu SY, Ki Y, Chu V, Lee CK. An audit of concomitant dental anomalies with maxillary talon cusps in a group of children from Honkkong. Prim Dent Care 2008;15:153-6.  Back to cited text no. 7
    
8.Hamasha AA, Safadi RA. Prevalence of talon cusps in Jordanian permanent teeth: A radiographic study. BMC Oral Health 2010;20:10-6.  Back to cited text no. 8
    
9.Glavina D, Skrinjaric T. Labial Talon Cusp on Maxillary Central Incisors: A Rare Developmental Dental Anomaly. Coll Antropol 2005;1:227-31.  Back to cited text no. 9
    
10.Shashikiran ND, Babaji P, Reddy VV. Double Facial and Lingual trace talon cusps: A case report. J Indian Soc Pedod Prev Dent 2005;23:89-9.  Back to cited text no. 10
[PUBMED]  Medknow Journal  

Top
Correspondence Address:
Suneelkumar Chinni
Department of Conservative Dentistry and Endodontics, Indira Gandhi Institute of Dental Sciences, PillaraiKuppam, Puducherry
India
Login to access the Email id

Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0972-0707.92615

Rights and Permissions


    Figures

  [Figure 1], [Figure 2]
 
 
    Tables

  [Table 1], [Table 2]



 

Top
 
 
 
  Search
 
 
    Similar in PUBMED
   Search Pubmed for
   Search in Google Scholar for
 Related articles
    Email Alert *
    Add to My List *
* Registration required (free)  
 


    Abstract
   Introduction
   Case Report
   Discussion
    References
    Article Figures
    Article Tables

 Article Access Statistics
    Viewed1900    
    Printed66    
    Emailed0    
    PDF Downloaded156    
    Comments [Add]    

Recommend this journal