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. 2013 Jun 26;8(6):e66888. doi: 10.1371/journal.pone.0066888

Table 1. Body-mass-adjusted canine bite-force results and mean brick VM stresses for selected regions in a jaw-adductor-driven bite at maximum gape.

Body mass estimate (kg) Jaw muscle recruitmentforce (N) Canine bite force (N)- 2/3rd power rule Mean VM stress (MPa)
Tooth root Canine-crowns Rest of the Cranium
S. fatalis 259 3785* 519 0.552 2.593 1.074
T. atrox 82 24010* 241 0.486 2.311 1.577
P. pardus 68 1658* 212 0.397 1.848 0.584
*

Muscle forces were back-calculated from FE models that gave the body-mass-scaled bite-force output at canines assuming a 2/3 power relationship. The choice of reference taxon is immaterial in this context and S. fatalis was arbitrarily chosen here. kg = kilograms; N = Newtons.