In vivo bone strain and finite element modeling of a rhesus macaque mandible during mastication
Olga Panagiotopoulou,Olga Panagiotopoulou,Jose Iriarte-Diaz,Simon Wilshin,Paul C. Dechow,Andrea B. Taylor,Hyab Mehari Abraha,Sharifah F. Aljunid,Callum F. Ross +8 more
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TLDR
A subject-specific FEM of a rhesus macaque mandible was constructed, loaded and validated using in vivo data from the same animal, and the relative strain magnitudes were similar to those recorded in vivo for all strain locations.About:
This article is published in Zoology.The article was published on 2017-09-01 and is currently open access. It has received 26 citations till now.read more
Citations
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Journal ArticleDOI
Finite element analysis of individual taenioglossan radular teeth (Mollusca).
Wencke Krings,Jordi Marcé-Nogué,Jordi Marcé-Nogué,Jordi Marcé-Nogué,Hasan Karabacak,Matthias Glaubrecht,Stanislav N. Gorb +6 more
TL;DR: For the first time, a quantitative approach is used, Finite-Element-Analysis (FEA), to test hypotheses regarding the function of particular taenioglossan tooth types, and it is posited that the central and lateral teeth are best suitable for scratching substrate loosening ingesta, whereas the marginals are best suited for gathering food particles.
Journal ArticleDOI
The use of extruded finite-element models as a novel alternative to tomography-based models: a case study using early mammal jaws.
Nuria Melisa Morales-García,Thomas D. Burgess,Jennifer J. Hill,Pamela G. Gill,Emily J. Rayfield +4 more
TL;DR: Extruded FE models constitute a viable alternative to the use of tomography-based 3D models, particularly in relatively flat bones, in Morganucodon and Kuehneotherium.
Journal ArticleDOI
The Mechanical Effect of the Periodontal Ligament on Bone Strain Regimes in a Validated Finite Element Model of a Macaque Mandible.
TL;DR: The findings suggest that the mechanical importance of the PDL in FEMs of the mandible during chewing is dependent on the scope of the hypotheses being tested, and whether researchers are comparing strain gradients across species/taxa or if researchers are concerned with absolute strain values, sensitivity analysis is required.
Journal ArticleDOI
Glucocorticoids cause mandibular bone fragility and suppress osteocyte perilacunar-canalicular remodeling.
A. Sean Alemi,Courtney M. Mazur,Courtney M. Mazur,Tristan W. Fowler,Jonathon J. Woo,P. Daniel Knott,Tamara Alliston,Tamara Alliston +7 more
TL;DR: Osteocyte PLR in the neural crest-derived mandible is susceptible to glucocorticoids, just as it is in the mesodermally-derived femur, highlighting the need to further study PLR as a target of drugs, and radiation in mandibular osteonecrosis.
Journal ArticleDOI
Why ruminating ungulates chew sloppily: Biomechanics discern a phylogenetic pattern
Zupeng Zhou,Daniela E. Winkler,Josep Fortuny,Thomas M. Kaiser,Jordi Marcé-Nogué,Jordi Marcé-Nogué +5 more
TL;DR: Three-dimensional finite element analysis is used to assess the biomechanical performance of mandibles in eleven ungulate taxa with well-established but distinct dietary preferences and finds that mandibular morphologies reflect the masticatory demands of specific ingesta within the orders Artiodactyla and PerissodactylA.
References
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In vivo and in vitro bone strain in the owl monkey circumorbital region and the function of the postorbital septum
TL;DR: Comparisons of the in vitro results with data gathered in vivo suggest that, during incision and unilateral mastication, the face is subjected to upward bending in the sagittal plane resulting in rostrocaudal compression of the interorbital region.
Journal ArticleDOI
In vivo function of the craniofacial haft: the interorbital "pillar".
TL;DR: Strain orientation data corroborate the hypothesis that the strepsirrhine face is twisted during mastication and suggest the existence of two distinct loading regimes, possibly associated with masseter or medial pterygoid contraction.
Journal ArticleDOI
Mechanical properties of the cat soleus muscle in situ.
RA Murphy,AC Beardsley +1 more
Journal ArticleDOI
In vivo bone strain and finite-element modeling of the craniofacial haft in catarrhine primates
Callum F. Ross,Michael A. Berthaume,Paul C. Dechow,Jose Iriarte-Diaz,Laura B. Porro,Brian G. Richmond,Mark A. Spencer,David S. Strait +7 more
TL;DR: New in vivo bone strain data are combined with published data from the supraorbital region and zygomatic arch to evaluate the validity of a finite‐element model (FEM) of a macaque cranium during mastication and suggest the morphology of this region may be important for resisting forces generated during feeding.
Journal ArticleDOI
Experimental observation, theoretical models, and biomechanical inference in the study of mandibular form.
TL;DR: Both theoretical and experimental models are in need of refinement before it is possible to conclude that the jaws of the "robust" australopithecines are not functionally linked to elevated masticatory loads.
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