نتایج جستجو برای: jaw fusion

تعداد نتایج: 133085  

Journal: :journal of linear and topological algebra (jlta) 0
f aboutorabi goudarzi department of mathematics, faculty of science, central tehran branch, islamic azad university, tehran, iran. m. s asgari department of mathematics, faculty of science, central tehran branch, islamic azad university, tehran, iran.

in this paper we investigate a new notion of bases in hilbert spaces and similarto fusion frame theory we introduce fusion bases theory in hilbert spaces. we also introducea new de nition of fusion dual sequence associated with a fusion basis and show that theoperators of a fusion dual sequence are continuous projections. next we de ne the fusionbiorthogonal sequence, bessel fusion basis, hilbe...

Journal: :Proceedings of the Royal Society B: Biological Sciences 2005

1999
Sameh M. Yamany Aly A. Farag David Tasman Allan G. Farman

This paper presents a model-based vision system for dentistry that will assist in diagnosis, treatment planning and surgical simulation. Dentistry requires the accurate 3-D representation of the teeth and jaws for diagnostic and treatment purposes. The proposed integrated computer vision system reconstructs a 3-D model of the patient's dental occlusion using an intra-oral video camera. A modi e...

Journal: :Integrative and comparative biology 2008
Christopher J Vinyard Christine E Wall Susan H Williams William L Hylander

Biologists that study mammals continue to discuss the evolution of and functional variation in jaw-muscle activity during chewing. A major barrier to addressing these issues is collecting sufficient in vivo data to adequately capture neuromuscular variation in a clade. We combine data on jaw-muscle electromyography (EMG) collected during mastication from 14 species of primates and one of treesh...

Journal: :Diversity 2022

Fishes from the uppermost Norian Fuchsberg Quarry near Seinstedt are represented by two taxa that we interpret as a teleosteomorph (complete specimens) and actinistian (scales). Seinstedtia parva gen. et sp. nov. is described; although it was proposed possible semionotiform, this study reveals possesses combination of features, for instance: characteristic pholidophoriform-shaped cranial roof; ...

2015
Henry Wells Jackson Divakar Prakash Mark Litaker Tracie Ferreira Peter A. Jezewski

Disrupted morphogenesis and growth of the embryonic maxillary jaw lead to oral facial clefting in humans (OFC) and result in an incompletely formed secondary mouth and face. A requirement for Wnt signaling and Wnt9b in particular are postulated in the etiology of OFC from association studies in humans and from animal models. Loss of murine Wnt9b leads to reduced upper jaw (maxillary) outgrowth ...

Journal: :American journal of physical anthropology 1998
W L Hylander M J Ravosa C F Ross K R Johnson

Previous work indicates that compared to adult thick-tailed galagos, adult long-tailed macaques have much more bone strain on the balancing-side mandibular corpus during unilateral isometric molar biting (Hylander [1979a] J. Morphol. 159:253-296). Recently we have confirmed in these same two species the presence of similar differences in bone-strain patterns during forceful mastication. Moreove...

Journal: :Journal of physics 2022

The internal jaw stiffness of the silicon arm and its uniformity directly determine geometric position clamped part, which in turn affects accuracy fusion target ball. slight variation caused by machining errors is a crucial factor affecting micro-target. To accurately detect errors, this paper proposes multi-point detection method combining micro-feed force application high-precision image ins...

2011
SATYANAND TYAGI SACHIN KUMAR MOHIT SINGLA

Apert syndrome is a genetic disorder characterized by the premature fusion of certain skull bones (craniosynostosis). This early fusion prevents the skull from growing normally and affects the shape of the head and face. In addition, a varied number of fingers and toes are fused together (syndactyly).Many of the characteristic facial features of Apert syndrome result from the premature fusion o...

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