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Three-dimensional analysis of the outcome of different scanning strategies in virtual interocclusal registration

Mei J, Ma L, Chao J, Liu F, Shen J

PURPOSE. The purpose of this in vitro study was to assess whether scanning strategies of virtual interocclusal record (VIR) affect the accuracy of VIR during intraoral scanning. MATERIALS AND METHODS....
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Dynamic three-dimensional shoulder kinematics in patients with massive rotator cuff tears: a comparison of patients with and without subscapularis tears

Yamada Y, Kai Y, Kida N, Koda H, Takeshima M, Hoshi K, Gamada K, Morihara T

Background: Massive rotator cuff tears (MRCTs) with subscapularis (SSC) tears cause severe shoulder dysfunction. In the present study, the influence of SSC tears on three-dimensional (3D) shoulder kinematics during scapular...
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How to use neuronavigation for the brain

Kim S, Kim KH

Neuronavigation is a guidance system that identifies lesions and plans the trajectory to the lesion to improve surgical outcomes. Frame-based systems, which involve head fixation by means of framing before...
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Effect of image matching experience on the accuracy and working time for 3D image registration between radiographic and optical scan images

Mai HN, Lee DH

Purpose The purpose of the present study was to investigate the effects of image matching experience of operators on the accuracy and working time of image registration between radiographic and optical...
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Unsupervised Deformable Image Registration Using Polyphase UNet for 3D Brain MRI Volumes

Martin AD, Kim B, Ye JC

Purpose: Image registration is a fundamental task in various medical imaging studies and clinical image analyses, such as comparison of patient data with anatomical structures. In order to solve the...
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The effect of the improperly scanned scan body images on the accuracy of virtual implant positioning in computer-aided design software

Park SW, Choi YD, Lee DH

PURPOSE. The aim of this study was to examine the importance of the defect-free scanning of a scan body by assessing the accuracy of virtual implant positioning in computer-aided design...
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Accuracy of the Point-Based Image Registration Method in Integrating Radiographic and Optical Scan Images: A Pilot Study

Mai HY, Lee DH

Purpose: The purpose of this study was to investigate the influence of different implant computer software on the accuracy of image registration between radiographic and optical scan data. Materials and Methods:...
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Public Health Center on Tuberculosis Management in Korea: From 1945 to the Late 1970s

Kwon OY

Tuberculosis (TB) was called “ruinous disease” in colonial Korea. However, it is no longer a threat to the lives of the Korean people. Public Health Centers (PHC) have played a...
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Electromagnetic tracking-based ultrasound/computed tomography fusion imaging in dogs: preliminary application to ocular and periocular regions

Choi J, Lee SK, Park S

In ultrasound/computed tomography (CT) fusion images, ultrasound allows visualization of the target in real time. CT provides a navigation for ultrasound scanning and improves the overview in areas of limited...
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Effects of cholesterol levels on outcomes of out-of-hospital cardiac arrest: a cross-sectional study

Kim JH, Wi DH, Lee JH, Song HJ, Shin SD, Ro YS, Bae KH

OBJECTIVE: High cholesterol level is a risk factor for coronary artery disease, and coronary artery disease is a major risk factor for out-of-hospital cardiac arrest (OHCA). However, the effect of...
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Structural and Functional Features on Quantitative Chest Computed Tomography in the Korean Asian versus the White American Healthy Non-Smokers

Cho HB, Chae KJ, Jin GY, Choi J, Lin CL, Hoffman EA, Wenzel SE, Castro M, Fain SB, Jarjour NN, Schiebler , Barr RG, Hansel N, Cooper CB, Kleerup EC, Han MK, Woodruff P, Kanner RE, Bleecker E, Peters SP, Moore WC, Lee CH, Choi S, the National Heart, Lung and Blood Institute's SubPopulations and InteRmediate Outcome Measures In COPD Study (SPIROMICS) and Severe Asthma Research Program (SARP)

OBJECTIVE: Considering the different prevalence rates of diseases such as asthma and chronic obstructive pulmonary disease in Asians relative to other races, Koreans may have unique airway structure and lung...
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Time efficiency and operator convenience of using a micro-screw in image registration for guided implant surgery

Mai HY, Lee DH

PURPOSE: The image registration of radiographic image and digital surface data is essential in the computer-guided implant guide system. The purpose of this study was to examine the effects of...
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Underregistration and Underreporting of Stem Cell Clinical Trials in Neurological Disorders

Lee TE, Kim A, Jang M, Jeon B

BACKGROUND AND PURPOSE: Research on stem cells (SC) is growing rapidly in neurology, but clinical applications of SC for neurological disorders remain to be proven effective and safe. Human clinical...
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Accuracy comparison of buccal bite scans by five intra-oral scanners

Park JM, Jeon J, Heo SJ

PURPOSE: The purpose of this study was to investigate the accuracy of the interocclusal relationship between upper and lower teeth according to the buccal interocclusal record scan using various intraoral...
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A simple technique for impression taking of teeth and functionally generated paths

Yamamoto T, Sato Y, Watanabe H, Punj A, Abe M, Momoi Y, Ohkubo C

The objective of this case report is to introduce a simple technique for simultaneously taking a closed-mouth impression and functionally generated path (FGP) for a full coverage crown restoration. A...
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Association between air pollution in the 2015 winter in South Korea and population size, car emissions, industrial activity, and fossil-fuel power plants: an ecological study

Choi H, Myong JP

BACKGROUND: Compared to 10 years ago, the ambient particulate matter 10 (PM10) and carbon monoxide (CO) levels in South Korea have decreased. However, compared to many other OECD countries, these levels...
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Accuracy of several implant bite registration techniques: an in-vitro pilot study

Park DH, Park JM, Choi JW, Kang ES, Bae EB, Jeon YC, Jeong CM, Yun MJ, Huh JB

PURPOSE: This study evaluated the accuracies of different bite registration techniques for implant-fixed prostheses using three dimensional file analysis. MATERIALS AND METHODS: Implant fixtures were placed on the mandibular right second...
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Need for Registration and Reporting of Acupuncture Trials in Parkinson's Disease in Korea

Lee TE, Kim A, Jang M, Jeon B

OBJECTIVE: Many people dealing with Parkinson’s disease (PD) turn to complementary and alternative medicine when searching for a cure or relief from symptoms. Acupuncture is widely used in the Korean...
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Deformable image registration in radiation therapy

Oh S, Kim S

The number of imaging data sets has significantly increased during radiation treatment after introducing a diverse range of advanced techniques into the field of radiation oncology. As a consequence, there...
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Automatic error correction using adaptive weighting for vessel-based deformable image registration

Ren J, Green M, Huang X, Abdalbari

In this paper, we extend our previous work on deformable image registration to inhomogenous tissues. Inhomogenous tissues include the tissues with embedded tumors, which is common in clinical applications. It...
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