A5100749354- Dental materials and restorations
- Advanced Radiotherapy Techniques
- Endodontics and Root Canal Treatments
- Dental Research and COVID-19
- Medical Imaging Techniques and Applications
- Dental Radiography and Imaging
- Dental Erosion and Treatment
- Radiation Therapy and Dosimetry
- Dental Implant Techniques and Outcomes
- Advanced X-ray and CT Imaging
- Dental Trauma and Treatments
- Radiation Dose and Imaging
- Uterine Myomas and Treatments
- Banking stability, regulation, efficiency
- Social Policy and Reform Studies
- Ovarian cancer diagnosis and treatment
- Head and Neck Surgical Oncology
- Global Financial Crisis and Policies
- Radiation Detection and Scintillator Technologies
- Orthodontics and Dentofacial Orthopedics
- Endometriosis Research and Treatment
- Nuclear Physics and Applications
- Head and Neck Cancer Studies
- Boron Compounds in Chemistry
- Salivary Gland Tumors Diagnosis and Treatment
Yonsei University
2015-2024
Yonsei University College of Dentistry
2014-2024
Incheon National University
2018-2024
Yonsei University Health System
2022
Stanford University
2021
Hallym University Kangnam Sacred Heart Hospital
2015-2020
Ewha Womans University Medical Center
2020
Bank of Korea
2013-2018
Korea Economic Research Institute
2013-2018
University of Ulsan
2007-2018
Purpose: Compressed sensing theory has enabled an accurate, low-dose cone-beam computed tomography (CBCT) reconstruction using a minimal number of noisy projections. However, the time remains significant challenge for practical implementation in clinic. In this work, we propose novel gradient projection algorithm, based on Gradient-Projection-Barzilai-Borwein formulation (GP-BB), that handles total variation (TV)-norm regularization-based least squares problem CBCT highly efficient manner,...
Abstract Colposcopy is widely used to detect cervical cancers, but experienced physicians who are needed for an accurate diagnosis lacking in developing countries. Artificial intelligence (AI) has been recently computer-aided showing remarkable promise. In this study, we developed and validated deep learning models automatically classify neoplasms on colposcopic photographs. Pre-trained convolutional neural networks were fine-tuned two grading systems: the intraepithelial neoplasia (CIN)...
Purpose: Understanding motion characteristics of liver such as, interfractional and intrafractional variability, difference in within different locations the organ, their complex relationship with breathing cycles are particularly important for image‐guided SBRT. The purpose this study was to investigate based on fiducial markers tracked x‐ray projections CBCT scans, taken immediately prior treatments. Methods: Twenty SBRT patients were analyzed. Each patient had three (2 × 5‐mm gold)...
Pulsatile release of hypothalamic gonadotropin-releasing hormone (GnRH) is essential for pituitary gonadotrope function. Although the importance pulsatile GnRH secretion has been recognized several decades, mechanisms underlying pulse generation in neural networks remain elusive. Here, we demonstrate ultradian rhythm gene transcription single neurons using cultured slices prepared from transgenic mice expressing a promoter-driven destabilized luciferase reporter. promoter activity each...
Neuropathic pain following spinal cord injury (SCI) is a devastating disease characterized by spontaneous such as hyperalgesia and allodynia. In this study, we investigated the therapeutic potential of ESC-derived GABAergic neurons to treat neuropathic in SCI rat model. Mouse embryonic stem cell-derived neural precursor cells (mESC-NPCs) were cultured media supplemented with sonic hedgehog (SHH) retinoic acid (RA) efficiently differentiated into neurons. Interestingly, low doses SHH RA...
Attitudes Regarding HPV Vaccinations of Children among Mothers with Adolescent Daughters in KoreaThe aim this study, carried out before the beginning human papillomavirus (HPV) vaccinations as a National Immunization Program (NIP) Korea 2016, is to assess ranges perceptions and personal experience their influences on attitudes regarding children, mothers adolescent (9-14 years age) daughters Korea.From November 2015 February we distributed written questionnaire who had aged 9-14 years.The...
The variation in national regulatory responses to the recent global financial crisis has been considerable. This article explores this using new data on conditions 30 different OECD countries between 2009 and 2012. Using a mixed‐method approach which employs both fuzzy‐set qualitative comparative analysis logistic regression, we test number of hypotheses regarding response patterns banking sector. Our findings suggest that while state intervention during was necessary condition for...
The purpose of this study was to examine and compare color translucency stability three-dimensional (3D) printable dental materials for crown bridge restorations. Five different were investigated, twelve disc-shaped specimens two thicknesses (1 2 mm) prepared using a digital light processing 3D printer. Color measurements made according the CIELAB scale (L*, a*, b*) spectrophotometer 1 h, day, week, one month, six months after post-curing materials, parameter (TP) calculated. L*, b*, TP...
Foxp3 is a key transcription factor for differentiation and function of regulatory T (Treg) cells that critical maintaining immunological self-tolerance. Therefore, increasing Treg by transduction to regulate an inflammatory immune response important goal the treatment autoimmune allergic diseases. Here we have generated cell-permeable protein fusion with unique human HHph-1-PTD (protein domain), examined its in cells, characterized therapeutic effect disease models. HHph-1-Foxp3 was rapidly...
Purpose : Respiration‐induced intrafraction target motion is a concern in liver cancer radiotherapy, especially stereotactic body radiotherapy (SBRT), and therefore, verification of its necessary. An effective means to localize the insert metal fiducial markers or near tumor with simultaneous imaging using cone‐beam computed tomography (CBCT). Utilizing markers, authors have demonstrated method generate breath‐induced signal for reconstructing 4D digital tomosynthesis (4DDTS) 4DCBCT images...
Abstract Background Recent studies have reported the inhomogeneity in light emitted by dental light-curing units (LCUs). It is essential to understand how this uneven distribution affects physical properties of resin-based composites (RBCs) at various points across their surfaces. This study aimed evaluate effect LCU beam’s on microhardness RBCs with different shades and thicknesses. Methods Four body (A1B, A2B, A3B, A4B), one dentin (A3D), enamel shade (A3E) RBC (Filtek Z350 XT) were...
Conventional guided bone regeneration (GBR) limits the amount of graft due to limited soft tissue expansion. We hypothesize that use expander will successfully augment prior graft, allowing for sufficient grafting which lead a more stable and effective vertical graft. The authors aimed evaluate effectiveness novel self-inflating augmentation in terms expansion, clinical outcomes, related complications.A prospective, multicenter, randomized controlled trial was performed on patients requiring...
Purpose: In order to evaluate the dosimetric impact of respiratory motion on dose delivered target volume and critical organs during free‐breathing radiotherapy, a four‐dimensional was evaluated using deformable image registration (DIR). Methods: Four‐dimensional computed tomography (4DCT) images were acquired for 11 patients who treated liver cancer. Internal volume‐based treatment planning calculation (3D dose) performed end‐exhalation phase images. The (4D calculated based DIR all from...
To evaluate and compare the risks of secondary cancers from therapeutic doses received by patients with hepatocellular carcinoma (HCC) during intensity-modulated radiotherapy (IMRT), volumetric arc therapy (VMAT), tomotherapy (TOMO).Treatments for five were planned using IMRT, VMAT, TOMO. Based on Biological Effects Ionizing Radiation VII method, excess relative risk (ERR), absolute (EAR), lifetime attributable (LAR) evaluated doses, which measured radiophotoluminescence glass dosimeters...