A biomechanical approach to understand the ecomorphological relationship between primate mandibles and diet

Abstract The relationship between primate mandibular form and diet has been previously analysed by applying a wide array of techniques and approaches. Nonetheless, most of these studies compared few species and/or infrequently aimed to elucidate function based on an explicit biomechanical framework....

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Autores principales:	Jordi Marcé-Nogué, Thomas A. Püschel, Thomas M. Kaiser
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/b9c6570f96334783a721bf8cdc2aa6a7
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spelling	oai:doaj.org-article:b9c6570f96334783a721bf8cdc2aa6a72021-12-02T12:30:19ZA biomechanical approach to understand the ecomorphological relationship between primate mandibles and diet10.1038/s41598-017-08161-02045-2322https://doaj.org/article/b9c6570f96334783a721bf8cdc2aa6a72017-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-08161-0https://doaj.org/toc/2045-2322Abstract The relationship between primate mandibular form and diet has been previously analysed by applying a wide array of techniques and approaches. Nonetheless, most of these studies compared few species and/or infrequently aimed to elucidate function based on an explicit biomechanical framework. In this study, we generated and analysed 31 Finite Element planar models of different primate jaws under different loading scenarios (incisive, canine, premolar and molar bites) to test the hypothesis that there are significant differences in mandibular biomechanical performance due to food categories and/or food hardness. The obtained stress values show that in primates, hard food eaters have stiffer mandibles when compared to those that rely on softer diets. In addition, we find that folivores species have the weakest jaws, whilst omnivores have the strongest mandibles within the order Primates. These results are highly relevant because they show that there is a strong association between mandibular biomechanical performance, mandibular form, food hardness and diet categories and that these associations can be studied using biomechanical techniques rather than focusing solely on morphology.Jordi Marcé-NoguéThomas A. PüschelThomas M. KaiserNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-12 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Jordi Marcé-Nogué Thomas A. Püschel Thomas M. Kaiser A biomechanical approach to understand the ecomorphological relationship between primate mandibles and diet
description	Abstract The relationship between primate mandibular form and diet has been previously analysed by applying a wide array of techniques and approaches. Nonetheless, most of these studies compared few species and/or infrequently aimed to elucidate function based on an explicit biomechanical framework. In this study, we generated and analysed 31 Finite Element planar models of different primate jaws under different loading scenarios (incisive, canine, premolar and molar bites) to test the hypothesis that there are significant differences in mandibular biomechanical performance due to food categories and/or food hardness. The obtained stress values show that in primates, hard food eaters have stiffer mandibles when compared to those that rely on softer diets. In addition, we find that folivores species have the weakest jaws, whilst omnivores have the strongest mandibles within the order Primates. These results are highly relevant because they show that there is a strong association between mandibular biomechanical performance, mandibular form, food hardness and diet categories and that these associations can be studied using biomechanical techniques rather than focusing solely on morphology.
format	article
author	Jordi Marcé-Nogué Thomas A. Püschel Thomas M. Kaiser
author_facet	Jordi Marcé-Nogué Thomas A. Püschel Thomas M. Kaiser
author_sort	Jordi Marcé-Nogué
title	A biomechanical approach to understand the ecomorphological relationship between primate mandibles and diet
title_short	A biomechanical approach to understand the ecomorphological relationship between primate mandibles and diet
title_full	A biomechanical approach to understand the ecomorphological relationship between primate mandibles and diet
title_fullStr	A biomechanical approach to understand the ecomorphological relationship between primate mandibles and diet
title_full_unstemmed	A biomechanical approach to understand the ecomorphological relationship between primate mandibles and diet
title_sort	biomechanical approach to understand the ecomorphological relationship between primate mandibles and diet
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/b9c6570f96334783a721bf8cdc2aa6a7
work_keys_str_mv	AT jordimarcenogue abiomechanicalapproachtounderstandtheecomorphologicalrelationshipbetweenprimatemandiblesanddiet AT thomasapuschel abiomechanicalapproachtounderstandtheecomorphologicalrelationshipbetweenprimatemandiblesanddiet AT thomasmkaiser abiomechanicalapproachtounderstandtheecomorphologicalrelationshipbetweenprimatemandiblesanddiet AT jordimarcenogue biomechanicalapproachtounderstandtheecomorphologicalrelationshipbetweenprimatemandiblesanddiet AT thomasapuschel biomechanicalapproachtounderstandtheecomorphologicalrelationshipbetweenprimatemandiblesanddiet AT thomasmkaiser biomechanicalapproachtounderstandtheecomorphologicalrelationshipbetweenprimatemandiblesanddiet
_version_	1718394420290650112

A biomechanical approach to understand the ecomorphological relationship between primate mandibles and diet

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