Myoung-Hwan Oh

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The current study investigated the clinical effectiveness of three adhesives and the use of retention form in Class V resin composite restorations of the non-carious cervical lesion (NCCL) over a two-year period. One-hundred and fifty NCCLs in 39 patients were restored with resin composites according to six experimental protocols combining the presence or(More)
A daily-wear wearable system is one of the most convenient mediums in practical application scenario of transferring various information data or services between two users as well as between a user and a device. To implement this service scenario, we chose to develop a wearable forearm mounted accelerometer based input system. A set of gesture commands was(More)
INTRODUCTION The number of endoscopic ultrasonography (EUS) for esophageal subepithelial lesion (SEL) is on the increase recently. We retrospectively investigated the 230 patients who underwent EUS for esophageal SEL from July 2010 to June 2013. We analyzed EUS finding and assumptive diagnosis. RESULTS Among 230 enrolled patients, subepithelial tumor(More)
In this paper, a nonlinear active noise control (ANC) is proposed using adaptive Volterra filtering with a variable step-size Gauss-Seidel pseudo affine projection (VSSGSPAP) algorithm. In particular, it requires a lower computational burden than the VSS affine projection (VSSAP) algorithm, and provides an improved convergence as the VSSAP algorithm does.(More)
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