نتایج جستجو برای: bone chips

تعداد نتایج: 317828  

Nowadays Network-on-Chips is used instead of System-on-Chips for better performance. This paper presents a new algorithm to find a shorter path, and shows that genetic algorithm is a potential technique for solving routing problem for mesh topology in on-chip-network.

2012
Olivier Cornu

The use of a solid bone graft to restore bone stock and insure implant stability in hip revision surgery was introduced by Harris et al. (1). Better results have been obtained on the femoral site than on the acetabulum where high failure rate has been reported at ten years (2-7). Progressively, a new technique for restoring the acetabulum emerged with the concept of bone impaction which was int...

2012
Gösta Ullmark Kent Sundgren Jan Milbrink Olle Nilsson Jens Sörensen

BACKGROUND AND PURPOSE One concern regarding resurfacing arthroplasty is the viability of the diminished femoral head and the postoperative risk of collapse, or a femoral neck fracture. (18)F-fluoride positron emission tomography (F-PET) enables us to assess bone viability despite there being a covering metal component. By F-PET studies, we recently showed the absence of metabolism in the remai...

2006
T. N. Board P. Rooney J. N. Kearney P. R. Kay

©2006 British Editorial Society of Bone and Joint Surgery doi:10.1302/0301-620X.88B7. 17425 $2.00 J Bone Joint Surg [Br] 2006;88-B:852-7. Impaction allografting of bone has been used successfully as a technique to reconstitute bone loss in both the femur and acetabulum in revision total hip replacement (THR) since the pioneering work of the groups in Nijmegen, 1 The Netherlands, and from Exeter...

Journal: :Ortopedia, traumatologia, rehabilitacja 2011
Grzegorz Guzik

BACKGROUND Spiral fractures of the tibia are virtually homogeneous with regard to their pathomorphism. The differences that are seen concern the level of fracture of the fibula, and, to a lesser extent, the level of fracture of the tibia, the length of fracture cleft, and limb shortening following the trauma. While conventional radiographs provide sufficient information about the pathomorphism ...

Journal: :Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons 2009
Cintia Mussi Milani Contar João Rodrigo Sarot Jayme Bordini Gustavo Holtz Galvão Gastão Vale Nicolau Maria Angela Naval Machado

PURPOSE The present investigation clinically and histologically evaluated the use of fresh-frozen bone in the reconstruction of maxillary alveolar ridges to confirm the effective bone fill and support for the placement of dental implants. PATIENTS AND METHODS Fifteen patients who had atrophic maxillary ridge necessitating bone block grafts prior to implant placement were submitted to maxillar...

Journal: :journal of biomedical physics and engineering 0
m sadeghi radiation research center, shiraz university, shiraz, iran s sina nuclear engineering department, school of mechanical engineering, shiraz university, shiraz, iran r faghihi nuclear engineering department, school of mechanical engineering, shiraz university, shiraz, iran

lif, mg and ti cubical tld chips (known as tld-100) are widely used for dosimetry purposes. the repeatability of tl dosimetry is investigated by exposing them to doses of (81, 162 and 40.5 mgy) with 662kev photons of cs-137. a group of 40 cubical tld chips was randomly selected from a batch and the values of element correction coefficient (ecc) were obtained 4 times by irradiating them to doses...

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