- Two cases of congenital hepatic fibrosis
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Hwang CJ, Kim YH, Koh DK, Lee BC
- KMID: 1691318
- J Korean Pediatr Soc.
- 1992 Apr;35(4):569-574.
No abstract available. -
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- Response to: Concerning Using Lordotic Cages at the L5–S1 Level Does Not Guarantee the Improvement of Sagittal Alignment in Patients Who Underwent Posterior Lumbar Interbody Fusion
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Cho JH, Hwang CJ, Lee DH, Lee CS
- KMID: 2545399
- Asian Spine J.
- 2023 Aug;17(4):805-806.
- doi: 10.31616/asj.2023.0176.r2
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- Application and effects of condylectomy in asymmetric patients with condylar hyperplasia
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Lim KS, Cha JY, Hwang CJ
- KMID: 2273975
- Korean J Orthod.
- 2008 Dec;38(6):437-455.
- doi: 10.4041/kjod.2008.38.6.437
Condylar hyperplasia is a pathologic condition showing 3-dimensional skeletal hyperplasia of the mandible. The reason for condylar hyperplasia is not yet known, but the effects of hormone, trauma, infection, genetics,... -
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- Patterns of medical accidents and disputes in the orthodontic field in Korea
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Kim YH, Hwang CJ
- KMID: 2273265
- Korean J Orthod.
- 2014 Jan;44(1):5-12.
- doi: 10.4041/kjod.2014.44.1.5
The committee of admitted doctors developed a questionnaire regarding medical dispute and distributed it to 1,600 members of Korean Academy of Orthodontics. The questionnaire consisted of three categories and 56... -
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- Comparison of insertion torque regarding changes in shape, diameter, and length of orthodontic miniscrews
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Lim SA, Cha JY, Hwang CJ
- KMID: 1513099
- Korean J Orthod.
- 2007 Apr;37(2):87-97.
OBJECTIVE: The purpose of this study was to measure the insertion torque of orthodontic miniscrews regarding changes in their shape, diameter, and length. METHODS: Torque values were measured during continuous insertion... -
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- Changes in pulpal blood flow during orthodontic tooth movement studied by Doppler ultrasound
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Lim KS, Bae YM, Cha JY, Yu HS, Hwang CJ
- KMID: 1975781
- Korean J Orthod.
- 2009 Dec;39(6):372-382.
- doi: 10.4041/kjod.2009.39.6.372
OBJECTIVE: This study was to change of pulp blood flow among maxillary and mandibular anterior tooth with mild crowding and adjacent teeth using Ultrasound Doppler graphy. METHODS: The change of... -
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- Skeletal maturation evaluation using mandibular third molar development in adolescents
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Cho SM, Hwang CJ
- KMID: 1975817
- Korean J Orthod.
- 2009 Apr;39(2):120-129.
- doi: 10.4041/kjod.2009.39.2.120
OBJECTIVE: To estimate dental maturity using the Demirjian Index for the mandibular third molar and investigate the relationships between dental maturity and skeletal maturity among growing children. METHODS: The samples... -
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- Evaluation of insertion of torque and pull-out strength of mini-screws according to different thickness of artificial cortical bone
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Song YY, Cha JY, Hwang CJ
- KMID: 2273750
- Korean J Orthod.
- 2007 Feb;37(1):5-15.
OBJECTIVE: The purpose of this study was to evaluate the mechanical performance of mini-screws during insertion into artificial bone with use of the driving torque tester (Biomaterials Korea, Seoul, Korea),... -
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- Insertion and removal torques according to orthodontic mini-screw design
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Cha JY, Yoon TM, Hwang CJ
- KMID: 1481501
- Korean J Orthod.
- 2008 Feb;38(1):5-12.
- doi: 10.4041/kjod.2008.38.1.5
OBJECTIVE: This study was designed to analyze the primary and secondary stability characteristics of orthodontic mini-screws of tapered design when compared with the cylinder mini-screw. METHODS: A total of 48 mini-screws... -
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- Effect of Laser Pre-Drilling on Insertion Torque of Orthodontic Miniscrews: A Preliminary Study
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Kim KH, Choi SH, Cha JY, Hwang CJ
- KMID: 2405564
- J Korean Dent Sci.
- 2017 Dec;10(2):66-73.
- doi: 10.5856/JKDS.2017.10.2.66
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 influence of age on lip-line cant in adults: a cross-sectional study
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Choi SH, Kim JS, Kim CS, Hwang CJ
- KMID: 2159355
- Korean J Orthod.
- 2016 Mar;46(2):81-86.
- doi: 10.4041/kjod.2016.46.2.81
OBJECTIVE: The aims of this study were to assess the direction and degree of lip-line cant in Korean adult orthodontic patients and to identify the effects of sex and age... -
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- In vitro physical, chemical, and biological evaluation of commercially available metal orthodontic brackets
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Kim JH, Cha JY, Hwang CJ
- KMID: 1976682
- Korean J Orthod.
- 2012 Dec;42(6):297-306.
- doi: 10.4041/kjod.2012.42.6.297
OBJECTIVE: This in vitro study was undertaken to evaluate the physical, chemical, and biological properties of commercially available metal orthodontic brackets in South Korea, because national standards for these products... -
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- The limitation of alveolar bone remodeling during retraction of the upper anterior teeth
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Hwang CJ, Moon JL
- KMID: 2271869
- Korean J Orthod.
- 2001 Feb;31(1):97-105.
In many cases of orthodontic treatment the upper anterior teeth are retracted. Periodontal problems may arise during incisor retraction, if the amount of tooth movement and the amount of remodeling... -
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- The validation of Periotest values for the evaluation of orthodontic mini-implants' stability
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Cha JY, Yu HS, Hwang CJ
- KMID: 1459570
- Korean J Orthod.
- 2010 Jun;40(3):167-175.
- doi: 10.4041/kjod.2010.40.3.167
OBJECTIVE: The aim of this study was to validate the Periotest values for the prediction of orthodontic mini-implants' stability. METHODS: Sixty orthodontic mini-implants (7.0 mm x O1.45 mm; ACR, Biomaterials Korea,... -
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- A longitudinal study of nasopharynx and adenoid growth of Korean children
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Hwang CJ, Ryu YK
- KMID: 1676091
- Korean J Orthod.
- 1985 Mar;15(1):93-103.
Since the fact was known that mouth breathing resulted from the adenoid hypertropy causes malocclusion, many investigators have studied nasopharynx and adenoid in order to clatify the role in relation to... -
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- Effect of metal primer and thermocycling on shear bonding strength between the orthodontic bracket and gold alloy
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Lee YK, Cha JY, Yu HS, Hwang CJ
- KMID: 2400569
- Korean J Orthod.
- 2009 Oct;39(5):320-329.
OBJECTIVE: The aim of this study was to evaluate the effect of metal primers and thermocycling on shear bond strength between the orthodontic bracket and gold alloy. METHODS: For this study,... -
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- Effect of labiolingual inclination of a maxillary central incisor and surrounding alveolar bone loss on periodontal stress: A finite element analysis
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Choi SH, Kim YH, Lee KJ, Hwang CJ
- KMID: 2164259
- Korean J Orthod.
- 2016 May;46(3):155-162.
- doi: 10.4041/kjod.2016.46.3.155
OBJECTIVE: The aim of this study was to investigate whether labial tooth inclination and alveolar bone loss affect the moment per unit of force (M(t)/F) in controlled tipping and consequent... -
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- Histomorphometric evaluation of the bone surrounding orthodontic miniscrews according to their adjacent root proximity
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Oh HJ, Cha JY, Yu HS, Hwang CJ
- KMID: 2421313
- Korean J Orthod.
- 2018 Sep;48(5):283-291.
- doi: 10.4041/kjod.2018.48.5.283
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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- Orthodontic treatment related to facial patterns
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Hwang CJ
- KMID: 2271247
- Korean J Orthod.
- 1988 Sep;18(2):475-488.
Certain malocclusion are associated with specific "facial type," and it is important for the clinician to classify the common facial characteristic of each patient. Because the reaction to treatment mechanics... -
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- Comparison of mandibular anterior alveolar bone thickness in different facial skeletal types
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Kim YS, Cha JY, Yu HS, Hwang CJ
- KMID: 2273222
- Korean J Orthod.
- 2010 Oct;40(5):314-324.
- doi: 10.4041/kjod.2010.40.5.314
OBJECTIVE: The purpose of this study was to determine differences of mandibular anterior alveolar bone thickness and symphysial cross sectional area in 9 different horizontal and vertical facial types. METHODS: By... -
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