نتایج جستجو برای: bite force

تعداد نتایج: 200753  

2003
Gregory M. Erickson A. Kristopher Lappin Kent A. Vliet

American alligators Alligator mississippiensis undergo major transformations in morphology and ecology during development. These include several thousand-fold changes in body mass, modified snout and dental proportions, and shifts in diet from small, delicate foodstuffs to the inclusion of increasingly larger, more robust prey. How these changes in anatomical form contribute to actual physical ...

Journal: :The Journal of experimental biology 2017
Kaleb C Sellers Kevin M Middleton Julian L Davis Casey M Holliday

Three-dimensional computational modeling offers tools with which to investigate forces experienced by the skull during feeding and other behaviors. American alligators (Alligator mississippiensis) generate some of the highest measured bite forces among extant tetrapods. A concomitant increase in bite force accompanies ontogenetic increases in body mass, which has been linked with dietary change...

Journal: :The Journal of experimental biology 2007
Callum F Ross Ruchi Dharia Susan W Herring William L Hylander Zi-Jun Liu Katherine L Rafferty Matthew J Ravosa Susan H Williams

Modulation of force during mammalian mastication provides insight into force modulation in rhythmic, cyclic behaviors. This study uses in vivo bone strain data from the mandibular corpus to test two hypotheses regarding bite force modulation during rhythmic mastication in mammals: (1) that bite force is modulated by varying the duration of force production, or (2) that bite force is modulated b...

2016
Jarred Fastier-Wooller Hoang-Phuong Phan Toan Dinh Tuan-Khoa Nguyen Andrew Cameron Andreas Öchsner Dzung Viet Dao

This paper presents the design and development of a low cost and reliable maximal voluntary bite force sensor which can be manufactured in-house by using an acrylic laser cutting machine. The sensor has been designed for ease of fabrication, assembly, calibration, and safe use. The sensor is capable of use within an hour of commencing production, allowing for rapid prototyping/modifications and...

Journal: :Journal of dental research 2003
Y Hattori C Satoh S Seki Y Watanabe Y Ogino M Watanabe

To determine whether shortened dental arches (SDAs) cause functional overloading of the teeth and the temporomandibular joints, which has been implicated in periodontal diseases and temporomandibular disorders, we investigated the influences of SDA on occlusal and joint loads. Bite force and masticatory muscle electromyograms were recorded in five dentate subjects who clenched maximally on intr...

Journal: :Proceedings. Biological sciences 2002
Luis F Aguirre Anthony Herrel R van Damme E Matthysen

The exceptional diversity of neotropical bat communities is sustained by an intricate partitioning of available resources among the member species. Trophical specialization is considered an important evolutionary avenue towards niche partitioning in neotropical phyllostomid bats. From an ancestral insectivorous condition, phyllostomids evolved into highly specialized frugivorous, carnivorous, n...

2013
Flora Gröning Marc E. H. Jones Neil Curtis Anthony Herrel Paul O'Higgins Susan E. Evans Michael J. Fagan

Computer-based simulation techniques such as multi-body dynamics analysis are becoming increasingly popular in the field of skull mechanics. Multi-body models can be used for studying the relationships between skull architecture, muscle morphology and feeding performance. However, to be confident in the modelling results, models need to be validated against experimental data, and the effects of...

Journal: :Collegium antropologicum 2002
J Zivko-Babić J Pandurić V Jerolimov M Mioc L Pizeta M Jakovac

Bite force is the condition, expression and measure of the masticatory function. The purpose of this study was to examine, by means of a newly constructed electronic gnathodynamometer, the values of maximal bite forces in subjects with complete dentition, the time in which they express 50% and 75% respectively of the total forces value, and the shape of the bite curve during testing. The obtain...

Journal: :Brazilian oral research 2008
Paula Midori Castelo Leonardo Rigoldi Bonjardim Luciano José Pereira Maria Beatriz Duarte Gavião

Posterior crossbite may affect craniofacial growth and development. Thus, this study aimed to associate facial dimensions (by standardized frontal photographs) to masseter and anterior portion of the temporal muscle thickness (by ultrasonography) and maximal bilateral bite force in 49 children with deciduous and early mixed dentitions. They were distributed in four groups: deciduous-normal occl...

Journal: :General and comparative endocrinology 2015
Felicia Cull Constance M O'Connor Cory D Suski Aaron D Shultz Andy J Danylchuk Steven J Cooke

Individual variation in the endocrine stress response has been linked to survival and performance in a variety of species. Here, we evaluate the relationship between the endocrine stress response and anti-predator behaviors in wild checkered puffers (Sphoeroides testudineus) captured at Eleuthera Island, Bahamas. The checkered puffer has a unique and easily measurable predator avoidance strateg...

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