Effects of Gape and Tooth Position on Bite Force and Skull Stress in the Dingo (Canis lupus dingo) Using a 3-Dimensional Finite Element Approach
2008

Bite Force and Skull Stress in Dingoes

publication Evidence: moderate

Author Information

Author(s): Bourke Jason, Wroe Stephen, Moreno Karen, McHenry Colin, Clausen Philip

Primary Institution: University of New South Wales

Hypothesis

How do gape angle and tooth position affect bite force and skull stress in dingoes?

Conclusion

Dingoes have an optimal bite angle between 25° and 35° for maximizing bite force while withstanding stress.

Supporting Evidence

  • Bite force decreases as gape angle increases.
  • Carnassial bites produce significantly higher forces than canine bites.
  • The mandible experiences the highest stress at shallower gape angles.

Takeaway

This study looked at how the angle of a dingo's mouth and where it bites affects how strong its bite is and how much stress its skull can handle.

Methodology

A finite element model of a dingo skull was used to analyze the effects of different gape angles and bite positions on bite force and cranial stress.

Limitations

The study focused only on one species and may not generalize to all carnivorans.

Digital Object Identifier (DOI)

10.1371/journal.pone.0002200

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