Ethnic variation of selected dental traits in Coorg

Authors

  • Chancy Uthaman Department of Public Health Dentistry, Coorg Institute of Dental Sciences, Kushalappa Campus, Maggula, Virajpet, Karnataka
  • Peter Sequeira Department of Public Health Dentistry, Coorg Institute of Dental Sciences, Kushalappa Campus, Maggula, Virajpet, Karnataka
  • Jithesh Jain Department of Public Health Dentistry, Coorg Institute of Dental Sciences, Kushalappa Campus, Maggula, Virajpet, Karnataka

DOI:

https://doi.org/10.4103/0975-1475.172422

Keywords:

Anthropometry, cusp of Carabelli, dental traits, shoveling

Abstract

Purpose: In a country like India, in addition to the great innate diversity, there are distinct migrant populations with unique dental traits. Aim: To assess the distribution and degree of expression of cusp of Carabelli of maxillary first permanent molars and shoveling trait of maxillary central incisors, between three ethnic groups of Coorg, namely Kodavas, Tibetans, and Malayalees. Materials and Methods: A cross-sectional, indirect, anthropometric, study was carried out among 15- to 30-year-old subjects belonging to three different ethnic origins. A random sample consisting of 91 subjects were recruited for the study. The shovel trait of incisors and the Carabelli trait of molars were recorded according to the classification given by Hrdliƈka and Sousa et al., respectively. Statistical Analysis: The Kruskal-Wallis test was employed to determine the difference in three populations for shoveling and Carabelli traits. Mann-Whitney Test was used for pair-wise comparisons of three populations. Result: Of the total 91 subjects, 31 were Kodavas, 30 Malayalees and 30 Tibetans. There was a statistically significant difference in shoveling trait among the three ethnic groups. For Carabelli traits, there was no statistically significant difference among three ethnic groups. Conclusion: The present study findings showed that Tibetans have a higher degree of shoveling trait than the selected South Indian ethnic groups.

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References

Moreno-Gómez F. Sexual dimorphism in human teeth from dental morphology and dimensions: A dental anthropology viewpoint. Available from: http://dx.doi.org/10.5772/55881. [Last accessed on 2013 Jan 22].

Tsai PL, Hsu JW, Lin LM, Liu KM. Logistic analysis of the effects of shovel trait on Carabelli’s trait in a Mongoloid population. Am J Phys Anthropol 1996;100:523‑30.

Ferreira MA, Hespanhol LC, Capote TS, Gonçalves MA, Campos JA. Presence and morphology of the molar tubercle according to dentition, hemi‑arch and sex. Int J Morphol 2010;28:121‑5.

Kallianpur S, Desai A, Kasetty S, Sudheendra U, Joshi P. An anthropometric analysis of facial height, arch length, and palatal rugae in the Indian and Nepalese population. J Forensic Dent Sci 2011;3:33‑7.

Hasegawa Y, Rogers J, Scriven G, Townsend G. Carabelli trait in Australian twins: Reliability and validity of different scoring systems. Dent Anthropol 2010;23:7‑14.

Salako NO, Bello LL. Prevalence of the Carabelli trait in Saudi Arabian children. Odontostomatol Trop 1998;21:11‑4.

King NM, Tsai JS, Wong HM. Morphological and numerical characteristics of the southern Chinese dentitions. Part II: Traits in the permanent dentition. Open Anthropol J 2010;3:71‑84.

Hsu JW, Tsai PL, Hsiao TH, Chang HP, Lin LM, Liu KM, et al. Ethnic dental analysis of shovel and Carabelli’s traits in a Chinese population. Aust Dent J 1999;44:40‑5.

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Published

2015-12-01

How to Cite

Chancy Uthaman, Peter Sequeira, & Jithesh Jain. (2015). Ethnic variation of selected dental traits in Coorg. Journal of Forensic Dental Sciences, 7(3), 180–183. https://doi.org/10.4103/0975-1475.172422