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Clinical Validity of Tooth Size Measurements Obtained via Digital Methods with Intraoral Scanning

Alnefaie M, Park SH, Cha JY, Choi SH

Purpose: Dental diagnostic records derived from study models are a popular method of obtaining reliable and vital information. Conventional plaster models are the most common method, however, they are being...
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Synovial Hemangioma Mimicking a Meniscal Cyst of the Knee

Min KD, Cho WJ, Cha JY

Synovial hemangioma is a vascular malformation that usually involves the knee. This paper presents the diagnostic ultrasound findings of a synovial hemangioma that could be mistaken for a medial meniscus...
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Validation of three-dimensional digital model superimpositions based on palatal structures in patients with maximum anterior tooth retraction following premolar extraction

Liu J, Koh KM, Choi SH, Kim JH, Cha JY

Objective: This study aimed to evaluate the superimposition accuracy of digital modes for measuring tooth movement in patients requiring anterior retraction after premolar extraction based on the proposed reference regions. Methods:...
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Comparison of soft tissue changes between incisor tipping and translation after premolar extraction

Baik W, Choi SH, Cha JY, Yu HS, Lee KJ

Objective: This study compared soft tissue changes after extraction of the four premolars followed by maximum retraction of the anterior teeth according to the type of anterior teeth movement: tipping...
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Achievement of Anterior Teeth Arrangement Using a Single Stage of Clear Aligner

Ryu SJ, Choi SH, Cha JY, Hwang CJ

Purpose: The aim of this study was to evaluate the degree of achievement of anterior tooth movement using a thermoplastic clear aligner by superimposing pretreatment, setup, and post-treatment models and...
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Association Between Tic Aggravation and Methylphenidate in Youth With Attention-Deficit/Hyperactivity Disorder

Cha JY, Joung YS, Oh S, Kim BW, Song IM, Ahn BM

Objective This study aimed to determine the tic aggravation event rate and cumulative incidence rate in the use of methylphenidate (MPH) treatment in attention-deficit/hyperactivity disorder (ADHD) and the factors that...
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Effect of nicotine on orthodontic tooth movement and bone remodeling in rats

Lee SH, Cha JY, Choi SH, Kim Bi, Cha JK, Hwang CJ

Objective: To quantitatively analyze the effect of nicotine on orthodontic tooth movement (OTM) and bone remodeling in rats using micro-computed tomography and tartrate-resistant acid phosphatase immunostaining. Methods: Thirty-nine adult male...
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Chin Profile Changes in Skeletal Class III Following Bimaxillary Surgery with or without Advancement Genioplasty

Kim YA, Jung HD, Cha JY, Choi SH

Purpose: This study sought to identify differences in hard and soft tissue chin profile changes in skeletal Class III patients after bimaxillary surgery, with or without advancement genioplasty. Materials and Methods:...
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Three-dimensional comparison of 2 digital models obtained from cone-beam computed tomographic scans of polyvinyl siloxane impressions and plaster models

Park JY, Kim D, Han SS, Yu HS, Cha JY

PURPOSE: This study was performed to evaluate the dimensional accuracy of digital dental models constructed from cone-beam computed tomographic (CBCT) scans of polyvinyl siloxane (PVS) impressions and cast scan models. MATERIALS...
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Effect of archwire stiffness and friction on maxillary posterior segment displacement during anterior segment retraction: A three-dimensional finite element analysis

Park CS, Yu HS, Cha JY, Mo SS, Lee KJ

OBJECTIVE: Sliding mechanics using orthodontic miniscrews is widely used to stabilize the anchorage during extraction space closure. However, previous studies have reported that both posterior segment displacement and anterior segment...
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Ascending Colon Cancer with Pathologically Confirmed Tumor Thrombosis of Superior Mesenteric Vein: A Case Report

Kim SE, Lee SJ, Cha JY, Yi SW, Kim TS, Cho IL, Kwak JY, Oh KH

Colon cancer is very rarely accompanied by tumor thrombosis of the superior mesenteric vein (SMV). A 46-year-old patient had been diagnosed with SMV tumor thrombosis related to colon cancer without...
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The role of hepatic macrophages in nonalcoholic fatty liver disease and nonalcoholic steatohepatitis

Cha JY, Kim DH, Chun KH

Nonalcoholic steatohepatitis (NASH) is becoming common chronic liver disease because of the increasing global prevalence of obesity and consequently Nonalcoholic fatty liver disease (NAFLD). However, the mechanism for progression of...
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Effects of prestretch on stress relaxation and permanent deformation of orthodontic synthetic elastomeric chains

Chang JH, Hwang CJ, Kim KH, Cha JY, Kim KM, Yu HS

OBJECTIVE: This study was performed to investigate an appropriate degree of prestretch for orthodontic synthetic elastomeric chains focusing on time-dependent viscoelastic properties. METHODS: Orthodontic synthetic elastomeric chains of two brands were...
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A Case of Small Hepatocellular Carcinoma Who Showed Complete Response by Combined Therapy of Transarterial Chemoembolization and Stereotactic Body Radiotherapy

Cha JY, Jun BG, Gong EJ, Seo HI, Park JK, Lee SJ, Kim YD, Han KH, Jeong WJ, Cheon GJ, Choi WS

In hepatocellular carcinoma (HCC), surgical resection or local ablation therapy is limited because of severe liver dysfunction or tumor location. Transarterial chemoembolization (TACE) has beed used widely as palliative treatment....
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Effects of thermoforming on the physical and mechanical properties of thermoplastic materials for transparent orthodontic aligners

Ryu JH, Kwon JS, Jiang HB, Cha JY, Kim KM

OBJECTIVE: The aim of this systematic multiscale analysis was to evaluate the effects of thermoforming on the physical and mechanical properties of thermoplastic materials used to fabricate transparent orthodontic aligners...
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Histomorphometric evaluation of the bone surrounding orthodontic miniscrews according to their adjacent root proximity

Oh HJ, Cha JY, Yu HS, Hwang CJ

OBJECTIVE: This study was conducted to perform histomorphometric evaluations of the bone surrounding orthodontic miniscrews according to their proximity to the adjacent tooth roots in the posterior mandible of beagle...
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Effect of Laser Pre-Drilling on Insertion Torque of Orthodontic Miniscrews: A Preliminary Study

Kim KH, Choi SH, Cha JY, Hwang CJ

PURPOSE: To evaluate the effect of different-sized drill tips and laser irradiation times on the initial stability of orthodontic miniscrews placed in Er,Cr:YSGG-laser pre-drilled holes in an animal model. MATERIALS AND...
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The effect of fluoride-containing oral rinses on the corrosion resistance of titanium alloy (Ti-6Al-4V)

Huang GY, Jiang HB, Cha JY, Kim KM, Hwang CJ

OBJECTIVE: The purpose of this study was to examine the effect of commercially available fluoride-containing oral rinses on the corrosion behavior of titanium alloys, which are the main components of...
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Comparison of changes in the transverse dental axis between patients with skeletal Class III malocclusion and facial asymmetry treated by orthognathic surgery with and without presurgical orthodontic treatment

Song HS, Choi SH, Cha JY, Lee KJ, Yu HS

OBJECTIVE: To evaluate transverse skeletal and dental changes, including those in the buccolingual dental axis, between patients with skeletal Class III malocclusion and facial asymmetry after bilateral intraoral vertical ramus...
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Effects of recycling on the biomechanical characteristics of retrieved orthodontic miniscrews

Yun SD, Choi SH, Cha JY, Yu HS, Kim KM, Kim J, Hwang CJ

OBJECTIVE: The aim of this study was to compare recycled and unused orthodontic miniscrews to determine the feasibility of reuse. The comparisons included both miniscrews with machined surfaces (MS), and...
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