Origin, frequency, and variability of protostylid in human populations from southwestern Colombia: a systematic literature review

Authors

  • Jesús Alberto Hernández-Silva Universidad del Valle
  • Sandra Moreno-Correa Pontificia Universidad Javeriana
  • Freddy Moreno-Gómez Pontificia Universidad Javeriana

DOI:

https://doi.org/10.17533/udea.rfo.v27n1a6

Keywords:

Dental anthropology, Dental morphology, Tooth components, Systematic Review, Protostylid

Abstract


Introduction: protostylid is a non-metric dental trait observable on the vestibular surface of first and second deciduous and permanent molars in populations of Mongoloid origin. The objective of this literature review was to identify the expression of protostylid in human populations from Southwestern Colombia to help clarify the macro-evolutionary processes in this geographic region. Methods: a systematic literature review in PubMed, Google Scholar, and SciELO using the following medical descriptors: “dental morphology”, “non-metric dental traits”, and “protostylid”, combined with the Boolean operators “+” and “&” by the PRISMA methodology, in order to find publications describing the prevalence and variability of protostylid in human populations from Southwestern Colombia by means of the Arizona State University Dental Anthropology System. Results: 11 publications were found allowing us to obtain biological matrix distances based on cluster hierarchical classification and their respective dendrograms using the Ward method, which allowed us to observe most of the populations in Southwestern Colombia considered in this study and their relationships with other world populations. Conclusions: miscegenation processes have influenced the prevalence of protostylid, decreasing the expression of groove, blunt vertex cusp, and free vertex cusp in indigenous populations, and increasing the expression of fossa or P point in mixed coastal populations and populations of African descent. It also became clear that the expression of fossa or P point can occur in the absence or presence of protostylid.

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Author Biographies

Jesús Alberto Hernández-Silva, Universidad del Valle

School of Dentistry, School of Health, Universidad del Valle (Cali, Colombia) 

Sandra Moreno-Correa, Pontificia Universidad Javeriana

Department of Basic Health Sciences, School of Health Sciences, Pontificia Universidad Javeriana (Cali, Colombia)

Freddy Moreno-Gómez, Pontificia Universidad Javeriana

Department of Basic Health Sciences, School of Health Sciences, Pontificia Universidad Javeriana (Cali, Colombia)

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Published

2015-11-17

How to Cite

Hernández-Silva, J. A., Moreno-Correa, S., & Moreno-Gómez, F. (2015). Origin, frequency, and variability of protostylid in human populations from southwestern Colombia: a systematic literature review. Revista Facultad De Odontología Universidad De Antioquia, 27(1), 108–126. https://doi.org/10.17533/udea.rfo.v27n1a6

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