نتایج جستجو برای: femoral cortical thickness

تعداد نتایج: 249556  

ژورنال: مجله دندانپزشکی 2014
شیرازی, هادی اصغرزاده , ملاک‌زاده, محمدرضا ,

  Background and Aims: Hydroxyapatite coating has allocated a special place in dentistry due to its biocompatibility and bioactivity. The purpose of this study was to evaluate the relation between the hydroxyapatite thickness and stress distribution by using finite element method.   Materials and Methods: In this paper, the effect of hydroxyapatite coating thickness on dental implants was studi...

Journal: :Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research 2015
Sarah J Allison Kenneth E S Poole Graham M Treece Andrew H Gee Carol Tonkin Winston J Rennie Jonathan P Folland Gregory D Summers Katherine Brooke-Wavell

Regular exercisers have lower fracture risk, despite modest effects of exercise on bone mineral content (BMC). Exercise may produce localized cortical and trabecular bone changes that affect bone strength independently of BMC. We previously demonstrated that brief, daily unilateral hopping exercises increased femoral neck BMC in the exercise leg versus the control leg of older men. This study e...

Journal: :Archives of general psychiatry 2009
Aaron L Goldman Lukas Pezawas Venkata S Mattay Bruce Fischl Beth A Verchinski Qiang Chen Daniel R Weinberger Andreas Meyer-Lindenberg

CONTEXT Schizophrenia is a brain disorder with predominantly genetic risk factors, and previous research has identified heritable cortical and subcortical reductions in local brain volume. To our knowledge, cortical thickness, a measure of particular interest in schizophrenia, has not previously been evaluated in terms of its heritability in relationship to risk for schizophrenia. OBJECTIVE T...

2017
Ryan P. Vetreno Richard Yaxley Beatriz Paniagua G. Allan Johnson Fulton T. Crews

Human studies have established that adolescence is a period of brain maturation that parallels the development of adult behaviors. However, little is known regarding cortical development in the adult rat brain. We used magnetic resonance imaging (MRI) and histology to assess the impact of age on adult Wistar rat cortical thickness on postnatal day (P)80 and P220 as well as the effect of adolesc...

تنیده , نادر, جولازاده , طلا, حکمت , فرزانه, دبیدی روشن , ولی اله,

Background and purpose: Osteoporotic fractures are much more common in older post-menopausal women and account for significant morbidity and mortality. Although age is an independent risk factor for fractures, bone micro-architecture is the predictor of subsequent fractures. Adequate calcium and Weight-bearing exercise are known to affect skeletal development, however, the effects of calcium su...

2016
Erkan Mesci Nilgün Mesci Ercan Madenci

1 Erkan Mesci1, Nilgün Mesci2, Ercan Madenci1 1Fizik Tedavi ve Rehabilitasyon Kliniği, Medeniyet Üniversitesi Göztepe Eğitim ve Araştırma Hastanesi, 2Fizik Tedavi ve Rehabilitasyon Kliniği, Haydarpaşa Numune Eğitim ve Araştırma Hastanesi, İstanbul, Türkiye Femoral Cartilage Thickness in Patients with Rheumatoid Arthritis Ultrasonographic Evaluation of Femoral Cartilage Thickness in Patients wit...

2015
D. M. Sontam M. H. Vickers J. M. O'Sullivan M. Watson E. C. Firth

Physical activity has a vital role in regulating and improving bone strength. Responsiveness of bone mass to exercise is age dependent with the prepubertal period suggested to be the most effective stage for interventions. There is a paucity of data on the effects of exercise on bone architecture and body composition when studied within the prepubertal period. We examined the effect of two form...

Journal: :Journal of applied physiology 2010
Erika B Wagner Nicholas P Granzella Hiroaki Saito Dava J Newman Laurence R Young Mary L Bouxsein

We developed a new model of hypodynamic loading to support mice in chronic conditions of partial weight bearing, enabling simulations of reduced gravity environments and related clinical conditions. The novel hardware allows for reduced loading between 10 and 80% of normal body weight on all four limbs and enables characteristic quadrupedal locomotion. Ten-week-old female BALB/cByJ mice were su...

Journal: :Bone 2006
Sabine F Bensamoun John R Hawse Malayannan Subramaniam Brice Ilharreborde Armelle Bassillais Claude L Benhamou Daniel G Fraser Merry J Oursler Peter C Amadio Kai-Nan An Thomas C Spelsberg

TGFbeta inducible early gene-1 (TIEG) is a member of the Sp/Krüppel-like transcription factor family originally cloned from human osteoblasts. We have previously demonstrated that TIEG plays a role in the expression of important osteoblast marker genes and in the maturation/differentiation of osteoblasts. To elucidate the function of TIEG in skeletal development and maintenance, we have generat...

Journal: :Journal of anatomy 2018
Patrick Mahoney Justyna J Miszkiewicz Simon Chapple Mona Le Luyer Stephen H Schlecht Tahlia J Stewart Richard A Griffiths Chris Deter Debbie Guatelli-Steinberg

Evidence of a periodic biorhythm is retained in tooth enamel in the form of Retzius lines. The periodicity of Retzius lines (RP) correlates with body mass and the scheduling of life history events when compared between some mammalian species. The correlation has led to the development of the inter-specific Havers-Halberg oscillation (HHO) hypothesis, which holds great potential for studying asp...

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