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Talon cusp affecting primary dentition in two siblings: a case report.
S K Mallineni1, N M Manan, C K Lee
1Pediatric Dentistry and Orthodontics, Faculty of Dentistry, University of Hong Kong, Hong Kong SAR, China.
Summary
Talon cusps, a rare dental anomaly, were observed in primary teeth of two young siblings. This finding suggests a potential hereditary link for this unusual tooth development.
Area of Science:
- Dentistry
- Oral Pathology
- Genetics
Background:
- Talon cusp is a rare developmental dental anomaly.
- It presents as an extra cusp projecting from the cingulum or cement-enamel junction.
- It can affect both primary and permanent dentitions in maxillary and mandibular arches.
Observation:
- This paper documents talon cusps in the primary dentition of two southern Chinese siblings.
- A 4-year-old girl presented with a talon cusp on her maxillary right primary central incisor.
- Her 2-year-old brother exhibited bilateral talon cusps on his maxillary primary central incisors.
Findings:
- The occurrence of talon cusps in siblings is infrequently reported.
- The observed familial pattern may indicate a hereditary basis for talon cusps.
- This case highlights the anomaly in the primary dentition.
Implications:
- Further research into the genetic factors of talon cusps is warranted.
- Understanding the etiology aids in clinical management and genetic counseling.
- This case contributes to the literature on rare dental anomalies.
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