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Acquired facial lipoatrophy: A report of 3 cases with imaging features

Lee C, Lee C, Kim JE, Kim JE, Yi WJ, Yi WJ, Heo MS, Heo MS, Lee SS, Lee SS, Han SS, Han SS, Choi SC, Choi SC, Huh KH, Huh KH

Acquired facial lipoatrophy is a rare disease with an unclear etiology and pathological pathway. The distinct causative factors of this disease have been not elucidated, but it is suspected to...
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Erratum to: Development of a new ball-type phantom for evaluation of the image layer of panoramic radiography

Yeom HG, Kim JE, Huh KH, Yi WJ, Heo MS, Lee SS, Choi SC

The authors would like to correct an error in the publication of the original article. The number in the formula on page 256, right column, line 5 should be ‘346.0121’...
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Steatocystoma multiplex: A case report of a rare entity

Shin NY, Kang JH, Kim JE, Symkhampa , Huh KH, Yi WJ, Heo MS, Lee SS, Choi SC

Steatocystoma multiplex is an uncommon benign skin disease, which typically manifests as numerous intradermal cysts that can be scattered anywhere on the body. Although usually asymptomatic, it can be significantly...
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Clinical and panoramic radiographic features of osteomyelitis of the jaw: A comparison between antiresorptive medication-related and medication-unrelated conditions

Shin JW, Kim JE, Huh KH, Yi WJ, Heo MS, Lee SS, Choi SC

PURPOSE: This study was performed to analyze the clinical and imaging features of contemporary osteomyelitis (OM) and to investigate differences in these features on panoramic radiography according to patients' history...
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Effects of energy level, reconstruction kernel, and tube rotation time on Hounsfield units of hydroxyapatite in virtual monochromatic images obtained with dual-energy CT

Jeong DK, Lee SS, Kim JE, Huh KH, Yi WJ, Heo MS, Choi SC

PURPOSE: This study was performed to investigate the effects of energy level, reconstruction kernel, and tube rotation time on Hounsfield unit (HU) values of hydroxyapatite (HA) in virtual monochromatic images...
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Radiopacity of contemporary luting cements using conventional and digital radiography

An SY, An CH, Choi KS, Huh KH, Yi WJ, Heo MS, Lee SS, Choi SC

PURPOSE: This study evaluated the radiopacity of contemporary luting cements using conventional and digital radiography. MATERIALS AND METHODS: Disc specimens (N=24, n=6 per group, ø7 mm×1 mm) were prepared using 4...
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Quantitative measurement of peri-implant bone defects using optical coherence tomography

Kim S, Kang SR, Park HJ, Kim B, Kim TI, Yi WJ

PURPOSE: The purpose of this study was to visualize and identify peri-implant bone defects in optical coherence tomography (OCT) images and to obtain quantitative measurements of the defect depth. METHODS: Dehiscence...
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A comparison of the accuracy of intraoral scanners using an intraoral environment simulator

Park HN, Lim YJ, Yi WJ, Han JS, Lee SP

PURPOSE: The aim of this study was to design an intraoral environment simulator and to assess the accuracy of two intraoral scanners using the simulator. MATERIALS AND METHODS: A box-shaped intraoral...
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Development of a new ball-type phantom for evaluation of the image layer of panoramic radiography

Yeom HG, Kim JE, Huh KH, Yi WJ, Heo MS, Lee SS, Choi SC

PURPOSE: This study proposes a new ball-type phantom for evaluation of the image layer of panoramic radiography. MATERIALS AND METHODS: The arch shape of an acrylic resin phantom was derived from...
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Therapeutic effect of intraductal irrigation of the salivary gland: A technical report

Lee C, Kim JE, Huh KH, Yi WJ, Heo MS, Lee SS, Choi SC

PURPOSE: Obstructive and inflammatory disease often occurs in the major salivary glands, and no predictive treatment has yet been developed for this condition. The aim of this report was to...
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Is the panoramic mandibular index useful for bone quality evaluation?

Kwon AY, Huh KH, Yi WJ, Lee SS, Choi SC, Heo MS

PURPOSE: The aim of this study was to determine whether the panoramic mandibular index (PMI) is useful for assessing bone mineral density. We also analyzed the potential correlations between PMI...
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The development of a learning management system for dental radiology education: A technical report

Chang HJ, Symkhampha K, Huh KH, Yi WJ, Heo MS, Lee SS, Choi SC

PURPOSE: This study was conducted to suggest the development of a learning management system for dental radiology education using the Modular Object-Oriented Dynamic Learning Environment (Moodle). MATERIALS AND METHODS: Moodle is...
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Automatic detection of tooth cracks in optical coherence tomography images

Kim JM, Kang SR, Yi WJ

PURPOSE: The aims of the present study were to compare the image quality and visibility of tooth cracks between conventional methods and swept-source optical coherence tomography (SS-OCT) and to develop...
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Improved accuracy in periodontal pocket depth measurement using optical coherence tomography

Kim SH, Kang SR, Park HJ, Kim JM, Yi WJ, Kim TI

PURPOSE: The purpose of this study was to examine whether periodontal pocket could be satisfactorily visualized by optical coherence tomography (OCT) and to suggest quantitative methods for measuring periodontal pocket...
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CT evaluation of underlying bone sclerosis in patients with oral squamous cell carcinoma: A preliminary retrospective study

Jo GD, Yi WJ, Heo MS, Lee SS, Choi SC, Huh KH

PURPOSE: Underlying bone sclerosis is frequently observed in clinical settings when oral squamous cell carcinoma (OSCC) invades the jaw bone. The aim of this study was to assess the prevalence...
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Euglycemic Diabetic Ketoacidosis When Reducing Insulin Dosage in Patients Taking Sodium Glucose Cotransporter 2 Inhibitor

Yi WJ, Kim SK, Youn SU, Kang N, Lee MW, Park SO

Sodium glucose cotransporter 2 (SGLT2) inhibitor has been recently reported of diabetic ketoacidosis due to accumulation of ketone bodies in patients with severe dehydration caused from such like diarrhea even...
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Contrast reference values in panoramic radiographic images using an arch-form phantom stand

Shin JM, Lee C, Kim JE, Huh KH, Yi WJ, Heo MS, Choi SC, Lee SS

PURPOSE: The purpose of this study was to investigate appropriate contrast reference values (CRVs) by comparing the contrast in phantom and clinical images. MATERIALS AND METHODS: Phantom contrast was measured using...
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A dose monitoring system for dental radiography

Lee C, Lee SS, Kim JE, Symkhampha K, Lee WJ, Huh KH, Yi WJ, Heo MS, Choi SC, Yeom HY

PURPOSE: The current study investigates the feasibility of a platform for a nationwide dose monitoring system for dental radiography. The essential elements for an unerring system are also assessed. MATERIALS AND...
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The relationship between dental implant stability and trabecular bone structure using cone-beam computed tomography

Kang SR, Bok SC, Choi SC, Lee SS, Heo MS, Huh KH, Kim TI, Yi WJ

PURPOSE: The objective of this study was to investigate the relationships between primary implant stability as measured by impact response frequency and the structural parameters of trabecular bone using cone-beam...
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Comparison of digital models generated from three-dimensional optical scanner and cone beam computed tomography

Kwon HJ, Kim KK, Yi WJ

PURPOSE: The objective of this study was to compare the accuracy of digital models from 3 dimentional (3D) optical scanner and cone beam computed tomography (CBCT). MATERIALS AND METHODS: We obtained...
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