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| 1 | Validation of a novel imaging approach using multi-slice CT and cone-beam CT to follow-up on condylar remodeling after bimaxillary surgery显示文摘The main goal of this study was to introduce a novel three-dimensional procedure to objectively quantify both inner and outer condylar remodelling on preoperative multi-slice computed tomography(MSCT) and postoperative cone-beam computed tomography(CBCT) images. Second, the reliability and accuracy of this condylar volume quantification method was assessed. The mandibles of 20 patients(11 female and 9 male) who underwent bimaxillary surgery were semi-automatically extracted from MSCT/CBCT scans and rendered in 3D. The resulting condyles were spatially matched by using an anatomical landmark-based registration procedure.A standardized sphere was created around each condyle, and the condylar bone volume within this selected region of interest was automatically calculated. To investigate the reproducibility of the method, inter-and intra-observer reliability was calculated for assessments made by two experienced radiologists twice five months apart in a set of ten randomly selected patients. To test the accuracy of the bone segmentation, the inner and outer bone structures of one dry mandible, scanned according to the clinical set-up, were compared with the gold standard, micro-CT. Thirty-eight condyles showed a significant(P<0.05) mean bone volume decrease of 26.4% ± 11.4%(502.9 mm^3± 268.1 mm^3). No significant effects of side, sex or age were found. Good to excellent(ICC>0.6) intra-and inter-observer reliability was observed for both MSCT and CBCT. Moreover, the bone segmentation accuracy was less than one voxel(0.4 mm) for MSCT(0.3 mm ± 0.2 mm) and CBCT(0.4 mm ± 0.3 mm), thus indicating the clinical potential of this method for objective follow-up in pathological condylar resorption. | laura ferreira pinheiro nicolielo jeroen van dessel eman shaheen carolina letelier marina codari constantinus politis ivo lambrichts reinhilde jacobs | 2017 | International Journal of Oral Science2017，9，3： | 7 |
| 2 | Comparison of the antioxidant effects of synovial fluid from equine metacarpophalangeal joints with those of hyaluronic acid and chondroitin sulfate显示文摘 | MULLER A J LETELIER M E GALLEGUILLOS M A | 2010 | Am J Vet Res2010，71，4： | 1 |
| 3 | The role of nitrogen fixation in biogeochemical cycling in the subtropical North Pacific Ocean显示文摘 | Karl D Letelier R Tupas L | 1997 | Nature1997，388，： | 1 |
| 4 | The role of nitrogen fixation in biogeochemical cycling in the subtropical North Pacific Ocean显示文摘 | KARL D LETELIER R | 1997 | Nature1997，388，： | 1 |
| 5 | Microbiologically induced corrosion of copper pipes in low-pH water 显示文摘 | REYES A LETELIER M V DE LA IGLESEA R | 2007 | Int Biodeterioration Biodegradation2007，26，： | 1 |
| 6 | Developing Productive Customers in Emerging Markets显示文摘 | Letelier MF Flores F Spinosa C | 2003 | California Management Review2003，45，4： | 1 |
| 7 | Long-term changes in plankton community structure and productivity in the North Pacific Subtropical Gyre: the domain shift hypothesis显示文摘 | Karl D M Bidigare R R Letelier R M | 2001 | Deep-Sea Research II2001，48，： | 1 |
| 8 | The vole of nitrogen fixation in biogeochemical cycling in the subtropical Nozth Pacific Oeesn显示文摘 | KARL D LETELIER R TUPAS L | 1997 | Na-ture1997，388，： | 1 |
| 9 | (MODIS) 显示文摘 | Ricard M Letelier Mark R Abbott An Analysis of Chlorophyll Fluorescence Algorithms for the Mdoerate Resolution Imaging Spectrometer | 1996 | Remote Sensing of Environment1996，58，： | 1 |
| 10 | Molecular characterization of hepatitis E virus detected in swine farms in the province of Quebec 显示文摘 | Ward P M ller P Letelier A | 2008 | Can J Vet Res2008，72，： | 1 |
| 11 | Microbiologically Induced Corrosion of Copper Pipes in Low-pH Water显示文摘 | Reyes A Letelier M V De La Iglesia R | 2007 | International Biodetrioration & Iodegradation2007，6，1： | 1 |
| 12 | Spike sorting based on discrete wavelet transform coefficients 显示文摘 | Letelier J C Weber P P | 2000 | Journal of Neuroscience Methods2000，101，2： | 1 |
| 13 | Possible mechanisms underlying copper-induced damage in biological membranes leading to cellular toxicity显示文摘 | Letelier M E Lepe A M Faundez M | 2005 | ChemicoBiological Interactions2005，151，2： | 1 |
| 14 | Behaviour of beam–column joints made of recycled-aggregate concrete under cyclic loading显示文摘 | Valeria Corinaldesi Viviana Letelier Giacomo Moriconi | 2010 | Construction and Building Materials2010，，4： | 1 |
| 15 | Behavior of beam-column joints made of recycled -aggregate concrete under cyclic loading 显示文摘 | Valeria Corinaldesi Viviana Letelier Giacomo Moriconi | 2011 | Construction and Building Materials2011，25，： | 1 |
| 16 | Explaining fiscal decentralization 显示文摘 | Letelier S | 2005 | Public Finance Review2005，33，： | 1 |
| 17 | Modelling and optimisation of solar organic rankine cycle engines for reverse osmosis desalination显示文摘 | Joan Carles Bruno Jesús López-Villada Eduardo Letelier | 2008 | Applied Thermal Engineering2008，28，1718： | 1 |
| 18 | Effectiveness of amiodarone for conversion of atrial fibrillation to sinus rhythm:a meta-analysis显示文摘 | Letelier L M Udol K Ena J | 2003 | Arch Intern Med2003，163，： | 1 |
| 19 | Cogging torque reduction in an axial flux machine via stator slot displacement and skewing显示文摘 | VLVARO B Letelier DELVIS A Gonzalez JUAN A Tapia | 2007 | IEEE Transaeions on Industry Applicaions2007，43，3： | 1 |
| 20 | Spike sorting based on discrete wavelet transform coefficients 显示文摘 | Letelier J C Weber P P | 2000 | Journal of Neuroscience Methods2000，101，2： | 1 |
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