نتایج جستجو برای: cortical bone

تعداد نتایج: 403437  

Journal: :iranian journal of pathology 2015
amir hosein jafarian amin rahpeyma saeedeh khajehahmadi

the glandular odontogenic cyst (goc) is a rare lesion with odontogenic origin. it shows a propensity for recurrence revealed in 30% of all case. this investigation reports a case of recurrent goc in a 35-year-old female in the anterior region of the maxilla, which is uncommon and discusses about ihc finding, surgical methods, and differential diagnosis. under general anesthesia, peripheral bone...

Ali Baniadam, Ali Reza Ghadiri Fereidoon Saberi Afshar Zahra Karimi Jalalabadi

Objective- To evaluate tail vertebra as an autogenous cortical bone and cancellous bone for filling ulnarsegmental bone defect in dogs.Design- Experimental study.Animals- Eight adult mongrel dogs with an aver age age of 37.S months and average body wei ght of17.62 kg.Procedure- Th e animals were randomly divided into two groups . A bone defect (2.S-cm) was created onthe middle po rtion of the r...

Journal: :The European respiratory journal 1999
H Tsugeno M Nakai M Okamoto S Harada T Mifune F Mitsunobu K Ashida Y Hosaki Y Tanizaki T Tsuji

Chronic use of systemic glucocorticoids results in progressive bone loss and pathologic fractures. This study identified the predictive variables for bone loss and used peripheral quantitative computed tomography (pQCT) to measure changes in cortical and trabecular bone in patients receiving systemic glucocorticoid therapy of prednisone 15.4 g. Eighty-four asthmatic patients were included in th...

Journal: :Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research 2014
Stuart J Warden Matthew R Galley Andrea L Hurd Jeffrey S Richard Lydia A George Elizabeth A Guildenbecher Rick G Barker Robyn K Fuchs

Skeletal loading enhances cortical and trabecular bone properties. How long these benefits last after loading cessation remains an unresolved, clinically relevant question. This study investigated long-term maintenance of loading-induced cortical and trabecular bone benefits in female C57BL/6 mice and the influence of a surgically induced menopause on the maintenance. Sixteen-week-old animals h...

Journal: :Radiology 2003
Estela Martín-Badosa Daniel Amblard Stefania Nuzzo Abdelmajid Elmoutaouakkil Laurence Vico Françoise Peyrin

Bone microarchitecture and mineralization were determined at three-dimensional synchrotron radiation micro computed tomography in two inbred mice strains. Distal metaphysis of the left femur was imaged in three dimensions at 6.65 microm, whereas the right femur was analyzed with histomorphometry. Three-dimensional quantitative parameters of trabecular and cortical bone architecture were compute...

2013
Michele Cassetta Aisha AA. Sofan Federica Altieri Ersilia Barbato

OBJECTIVE Mini-implant stability is primarily related to bone quality and quantity. This study evaluated alveolar cortical bone thickness and density differences between interradicular sites at different levels from the alveolar crest, and assessed the differences between adolescents (12-18 years of age) and adults (19-50 years of age), males and females, upper and lower arch, anterior and post...

Journal: :Clinical cases in mineral and bone metabolism : the official journal of the Italian Society of Osteoporosis, Mineral Metabolism, and Skeletal Diseases 2013
Giovanni Iolascon Rosa Napolano Margherita Gioia Antimo Moretti Ilaria Riccio Francesca Gimigliano

All materials undergo an aging process which is characterized essentially by changes of the rigidity (stiffness), of the ability to absorb the stresses (toughness) and then ultimately in the mechanical resistance (strength). Both cortical and trabecular bone undergo a continuous process of structural remodeling with the main aim to preserve their biomechanical properties. An imbalance in this p...

Journal: :The International journal of oral & maxillofacial implants 2012
Ji-Eun Lee Seong-Joo Heo Jai-Young Koak Seong-Kyun Kim Chong-Hyun Han

PURPOSE This study compared the bone regeneration response of different bone graft materials inside canals within anodized titanium implants in cortical and cancellous bone. MATERIALS AND METHODS Upper and lower transverse canals were created in anodic oxidized-surface titanium implants to serve as sites for cortical and cancellous bone regeneration, respectively. The canals were filled with ...

2004
Fan Smith Harris Zaifeng. Fan

+Fan, ZF; *Smith, PA, +Harris,GF; [email protected] +Orthopaedic & Rehabilitation Engineering Center (OREC) Marquette University/Medical College of Wisconsin, Milwaukee, WI *Shriners Hospital for Children, Chicago, IL Introduction: Nanoindentation was used to characterize the intrinsic mechanical properties of bone tissue from eight (8) children with type III Osteogenesis Imperfecta (OI...

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