- Estimation of the prevalence of malocclusion on the basis of nationwide oral health examinations of pre-adolescent and adolescent students during 2012–2017
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Hong M, Kyung HM, Park HS, Yu WJ, Baek SH
- KMID: 2502629
- Korean J Orthod.
- 2020 May;50(3):197-205.
- doi: 10.4041/kjod.2020.50.3.197
Objective: To investigate the prevalence of malocclusion with respect to grade, sex, and year among Korean pre-adolescent and adolescent students during 2012–2017. Methods: A total of 165,996 students (first grade... -
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- Comparison of inclination and vertical changes between single-wire and double-wire retraction techniques in lingual orthodontics
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Hung BQ, Hong M, Yu W, Kyung HM
- KMID: 2468638
- Korean J Orthod.
- 2020 Jan;50(1):26-32.
- doi: 10.4041/kjod.2020.50.1.26
OBJECTIVE: The Heat Induction Typodont System (HITS), used in some recent studies, has a distinct advantage over previous tooth movement simulation methods. This study aimed to compare inclination and vertical... -
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- Effects of bracket slot size during en-masse retraction of the six maxillary anterior teeth using an induction-heating typodont simulation system
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Kim JY, Yu WJ, Koteswaracc PNK, Kyung HM
- KMID: 2379649
- Korean J Orthod.
- 2017 May;47(3):158-166.
- doi: 10.4041/kjod.2017.47.3.158
OBJECTIVE: To investigate how bracket slot size affects the direction of maxillary anterior tooth movement when en-masse retraction is performed in sliding mechanics using an induction-heating typodont simulation system. METHODS: An... -
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- Incorporation of silver nanoparticles on the surface of orthodontic microimplants to achieve antimicrobial properties
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Venugopal , Muthuchamy N, Tejani H, Gopalan AI, Lee KP, Lee HJ, Kyung HM
- KMID: 2392191
- Korean J Orthod.
- 2017 Jan;47(1):3-10.
- doi: 10.4041/kjod.2017.47.1.3
OBJECTIVE: Microbial aggregation around dental implants can lead to loss/loosening of the implants. This study was aimed at surface treating titanium microimplants with silver nanoparticles (AgNPs) to achieve antibacterial properties. METHODS:... -
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- Stress dissipation characteristics of four implant thread designs evaluated by 3D finite element modeling
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Nam OH, Yu WJ, Kyung HM
- KMID: 2195394
- J Korean Acad Prosthodont.
- 2015 Apr;53(2):120-127.
- doi: 10.4047/jkap.2015.53.2.120
PURPOSE: The aim was to investigate the effect of implant thread designs on the stress dissipation of the implant. MATERIALS AND METHODS: The threads evaluated in this study included the V-shaped,... -
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- Debonding forces of three different customized bases of a lingual bracket system
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Sung JW, Kwon TY, Kyung HM
- KMID: 2273415
- Korean J Orthod.
- 2013 Oct;43(5):235-241.
- doi: 10.4041/kjod.2013.43.5.235
OBJECTIVE: The purpose of this study was to investigate whether extension of the custom base is necessary for enhancement of bond strength, by comparing the debonding forces and residual adhesives... -
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- Effect of surface anodization on stability of orthodontic microimplant
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Karmarker , Yu W, Kyung HM
- KMID: 2393238
- Korean J Orthod.
- 2012 Feb;42(1):4-10.
OBJECTIVE: To determine the effect of surface anodization on the interfacial strength between an orthodontic microimplant (MI) and the rabbit tibial bone, particularly in the initial phase after placement. METHODS: A... -
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- Optimization of orthodontic microimplant thread design
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Kim KD, Yu WJ, Park HS, Kyung HM, Kwon OW
- KMID: 1762661
- Korean J Orthod.
- 2011 Feb;41(1):25-35.
- doi: 10.4041/kjod.2011.41.1.25
OBJECTIVE: The purpose of this study was to optimize the thread pattern of orthodontic microimplants. METHODS: In search of an optimal thread for orthodontic microimplants, an objective function stability quotient (SQ)... -
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- Finite element analysis of peri-implant bone stresses induced by root contact of orthodontic microimplant
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Yu WJ, Kim MR, Park HS, Kyung HM, Kwon OW
- KMID: 1762658
- Korean J Orthod.
- 2011 Feb;41(1):6-15.
- doi: 10.4041/kjod.2011.41.1.6
OBJECTIVE: The aim of this study was to evaluate the biomechanical aspects of peri-implant bone upon root contact of orthodontic microimplant. METHODS: Axisymmetric finite element modeling scheme was used to analyze... -
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- Microimplant mandibular advancement (MiMA) therapy for the treatment of snoring and obstructive sleep apnea (OSA)
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Ngiam J, Kyung HM
- KMID: 2273219
- Korean J Orthod.
- 2010 Apr;40(2):115-126.
- doi: 10.4041/kjod.2010.40.2.115
This case report describes the treatment of a 66 year old adult patient with a diagnosis of severe obstructive sleep apnea who was intolerant of nasal continuous positive airway pressure... -
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- Finite element analysis of cortical bone strain induced by self-drilling placement of orthodontic microimplant
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Park JS, Yu W, Kyung HM, Kwon OW
- KMID: 1762576
- Korean J Orthod.
- 2009 Aug;39(4):203-212.
- doi: 10.4041/kjod.2009.39.4.203
OBJECTIVE: The aim of this study was to evaluate the strain induced in the cortical bone surrounding an orthodontic microimplant during insertion in a self-drilling manner. METHODS: A 3D finite... -
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- Cortical bone strain during the placement of orthodontic microimplant studied by 3D finite element analysis
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Nam O, Yu W, Kyung HM
- KMID: 2273364
- Korean J Orthod.
- 2008 Aug;38(4):228-239.
- doi: 10.4041/kjod.2008.38.4.228
OBJECTIVE: The aim of this study was to evaluate the strain induced in the cortical bone surrounding an orthodontic microimplant during insertion. METHODS: A 3D finite element method was used... -
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- Torque and mechanical failure of orthodontic micro-implant influenced by implant design parameters
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Yu W, Kyung HM
- KMID: 2273339
- Korean J Orthod.
- 2007 Jun;37(3):171-181.
OBJECTIVE: The present study was aimed at an analytical formulation of the micro-implant related torque as a function of implant size, i.e. the diameter and length, screw size, and the... -
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- Comparison of histologic observation and insertional and removal torque values between titanium grade 2 and 4 microimplants
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Kang ST, Kwon OW, Sung JH, Kyung HM, Park HS
- KMID: 2273330
- Korean J Orthod.
- 2006 Jun;36(3):171-177.
The purpose of this study was to evaluate the light microscopic features and the maximum insertional and removal torque value of microimplants, made from titanium grade 2 or 4, in... -
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- Osteodistraction of the Hypoplastic Maxilla using a Rigid External Distraction System: The Results of a One to Six-year Follow-up
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Cho BC, Kyung HM
- KMID: 2118027
- J Korean Cleft Palate-Craniofac Assoc.
- 2005 Apr;6(1):17-26.
A rigid external distraction device has been used for maxillary distraction osteogenesis and a number of papers have reported midface distraction after using this system. However, there is not enough... -
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- Effects on osteoclast in periodontal ligament space by denerveation of inferior alveolar nerve in young and adult rats
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Park KD, Sung JH, Bae YC, Kyung HM
- KMID: 2400560
- Korean J Orthod.
- 2004 Dec;34(6):506-513.
Osteoclast action is necessary for alveolar bone remodeling in orthodontic tooth movement. The nervous system has also been reported to be associated with bone remodeling. This study was aimed to... -
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- Elastic force degradation of synthetic elastomeric chain
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Heo CH, Sung JH, Kwon OW, Kyung HM
- KMID: 1924034
- Korean J Orthod.
- 2003 Oct;33(5):371-380.
The purpose of this study was to evaluate the force degradation rate of synthetic elastomeric chains during space closing phase of orthodontic treatment. Two kinds of synthetic elastomeric chains(RMO, 3M)... -
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- Three-dimensional finite element analysis of initial tooth displacement according to force application point during maxillary six anterior teeth retraction using skeletal anchorage
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Kim CN, Sung JH, Kyung HM
- KMID: 1924031
- Korean J Orthod.
- 2003 Oct;33(5):339-350.
The purpose of this study was to investigate the micro-implant height and anterior hook height to prevent maxillary six anterior teeth from lingual tipping and extruding during space closure. We... -
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- Osteodistraction of Midface Using Rigid External Distraction Device
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Lee JH, Shin DP, Park JW, Cho BC, Baik BS, Yoon KT, Kyung HM, Sung JH
- KMID: 2041055
- J Korean Soc Plast Reconstr Surg.
- 2000 Nov;27(6):590-597.
We treated a total of 4 patients with midfacial hypoplasia, aged 12 to 19 years, using distraction osteogenesis between January 1998 and June 1999. In 3 patients with severe maxillary... -
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- Changes in CGRP-immunoreactive nerve fibers during expansion of midpalatal suture of the rat
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Kim BK, Kyung HM, Kwon OW, Sung JH, Park KP
- KMID: 1923860
- Korean J Orthod.
- 1999 Feb;29(1):73-81.
Midpalatal suture expansion if often used for patients having narrow maxillary arch, cleft palate, respiratory handicap with narrow nasal cavity. CGRP has been known as a modulator of pain transmission... -
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