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Development of pre-procedure virtual simulation for challenging interventional procedures: an experimental study with clinical application

Seong H, Yun D, Yoon KS, Kwak JS, Koh JC

Background: Most pain management techniques for challenging procedures are still performed under the guidance of the C-arm fluoroscope although it is sometimes difficult for even experienced clinicians to understand the...
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Exploring the Vitreoretinal Interface: A Key Instigator of Unique Retinal Hemorrhage Patterns in Pediatric Head Trauma

Song HH, Thoreson WB, Dong P, Shokrollahi Y, Gu L, Suh DW

Purpose: Various types of trauma can cause retinal hemorrhages in children, including accidental and nonaccidental head trauma. We used animal eyes and a finite element model of the eye to...
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MPI-GWAS: a supercomputing-aided permutation approach for genome-wide association studies

Paik H, Cho Y, Cho SB, Kwon OK

Permutation testing is a robust and popular approach for significance testing in genomic research that has the advantage of reducing inflated type 1 error rates; however, its compu-tational cost is...
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Minimal Electrocautery as an Alternative Approach for Implant Removal: A Preliminary Animal Study

Lee BA, Lee SH, Lee MS, Lim HK, Kang SH

Purpose: This study aimed to introduce electrocautery for failed implant fixtures removal and to compare the results of this technique according to electrocautery time. Materials and Methods: Implants were placed in...
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Bone loss-related factors in tissue and bone level dental implants: a systematic review of clinical trials

Mortazavi H, Khodadoustan A, Kheiri A, Kheiri L

Dental implants are popular for dental rehabilitation after tooth loss. The goal of this systematic review was to assess bone changes around bone-level and tissue-level implants and the possible causes....
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Brain Oscillations and Their Implications for Neurorehabilitation

Jee S

Neural oscillation is rhythmic or repetitive neural activities, which can be observed at all levels of the central nervous system (CNS). The large-scale oscillations measured by electroencephalography have long been...
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The impact of the alveolar bone sites on early implant failure: a systematic review with meta-analysis

Fouda AAH

Dental implants are the first option for replacement of missing teeth. Failure usually involves additional cost and procedures. As a result, the physician should limit the risk factors associated with...
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Joint stability of internal conical connection abutments with or without hexagon indexes: an in vitro study

Lee SW, Cha MS, Lee JH, Cho LR, Park CJ

Purpose: The purpose of this study was to compare the axial displacement of the hexagonal and conical abutment in internal conical connection implant after screw tightening and cyclic loading. Materials...
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Evaluation of tissue ingrowth and reaction of a porous polyethylene block as an onlay bone graft in rabbit posterior mandible

Sosakul T, Tuchpramuk P, Suvannapruk W, Srion A, Rungroungdouyboon B, Suwanprateeb J

Purpose: A new form of porous polyethylene, characterized by higher porosity and pore interconnectivity, was developed for use as a tissue-integrated implant. This study evaluated the effectiveness of porous polyethylene...
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Bone and tissue reaction of porous nickel-titanium alloy implant for dental implants in rabbits

Min GH, Lee KH, Sung SJ, Lee WP, Yu SJ, Kim BO

Porous nickel–titanium (Ni-Ti) alloy implants have been previously introduced, and many studies have been performed. Porous Ni-Ti alloys have excellent properties for use in the dental field. Thus, the use...
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Evaluation of User Experience of New Defense Medical Information System

Ryu H, Kim J

OBJECTIVES: This study aimed to investigate the user experience (UX) of the New Defense Medical Information System (N-DEMIS), which was introduced in 2012 as part of an effort to improve...
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Bone healing dynamics associated with 3 implants with different surfaces: histologic and histomorphometric analyses in dogs

Lee J, Yoo JM, Amara HB, Lee YM, Lim YJ, Kim H, Koo KT

PURPOSE: This study evaluated differences in bone healing and remodeling among 3 implants with different surfaces: sandblasting and large-grit acid etching (SLA; IS-III Active®), SLA with hydroxyapatite nanocoating (IS-III Bioactive®),...
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FPGA-Based Interface of Digital DAQ System for Double-Scattering Compton Camera

Kim SM, Kim YS

PURPOSE: The double-scattering Compton camera (DSCC) is a radiation imaging system that can provide both unknown source energy spectra and 3D spatial source distributions. The energies and detection locations measured...
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Implantable Neural Probes for Brain-Machine Interfaces – Current Developments and Future Prospects

Choi JR, Kim SM, Ryu RH, Kim SP, Sohn JW

A Brain-Machine interface (BMI) allows for direct communication between the brain and machines. Neural probes for recording neural signals are among the essential components of a BMI system. In this...
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Spiral scanning imaging and quantitative calculation of the 3-dimensional screw-shaped bone-implant interface on micro-computed tomography

Choi JY, Choi CA, Yeo IS

PURPOSE: Bone-to-implant contact (BIC) is difficult to measure on micro-computed tomography (CT) because of artifacts that hinder accurate differentiation of the bone and implant. This study presents an advanced algorithm...
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Safety and Usability Guidelines of Clinical Information Systems Integrating Clinical Workflow: A Systematic Review

Lee Y, Jung MY, Shin GW, Bahn S, Park T, Cho I, Lee JH

OBJECTIVES: The usability of clinical information systems (CISs) is known to be an essential consideration in ensuring patient safety as well as integrating clinical flow. This study aimed to determine...
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First demonstration of velocity selective recording from the pig vagus using a nerve cuff shows respiration afferents

Metcalfe B, Nielsen TN, Donaldson , Hunter AJ, Taylor JT

Neural interfaces have great potential to treat disease and disability by modulating the electrical signals within the nervous system. However, whilst neural stimulation is a well-established technique, current neural interfaces...
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The Effect of 1-Propanol on the Rotational Mobility of n-(9-Anthroyloxy) stearic acid in Outer Monolayers of Neuronal and Model Membranes

Ahn TY, Jin SD, Yang HJ, Yoon CD, Kim MK, An TK, Bae YJ, Seo SJ, Kim GS, Bae MK, Bae SK, Jang HO

The aim of this study was to provide a basis for the molecular mechanism underlying the pharmacological action of ethanol. We studied the effects of 1-propanol on the location of...
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Flickering exercise video produces mirror neuron system (MNS) activation and steady state visually evoked potentials (SSVEPs)

Lim H, Ku J

The action of observing can be used as an effective rehabilitation paradigm, because it activates the mirror neuron system. However, it is difficult to fully use this paradigm because it...
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Decoding Saccadic Directions Using Epidural ECoG in Non-Human Primates

Lee J, Choi H, Lee S, Cho BH, Ahn KH, Kim IY, Lee KM, Jang DP

A brain-computer interface (BCI) can be used to restore some communication as an alternative interface for patients suffering from locked-in syndrome. However, most BCI systems are based on SSVEP, P300,...
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