- Treatment of a Horizontally Impacted and Dilacerated Maxillary Central Incisor and an Impacted Canine
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Kim SH, Chung KR, Hwang EH, Nelson G
- KMID: 2525890
- J Korean Dent Sci.
- 2021 Jun;14(1):40-45.
- doi: 10.5856/JKDS.2021.14.1.40
During orthodontic treatment of impacted teeth, use of appropriate anchorage against the traction force is important. Tooth anchorage with multi-bracket appliances is commonly used but sometimes it causes unwanted movements... -
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- Correction of dental Class III with posterior open bite by simple biomechanics using an anterior C-tube miniplate
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Ahn HW, Chung KR, Kang SM, Lin L, Nelson G, Kim SH
- KMID: 1435403
- Korean J Orthod.
- 2012 Oct;42(5):270-278.
- doi: 10.4041/kjod.2012.42.5.270
In the correction of dental Class III molar relationship in skeletal Class II patients, uprighting of the mandibular posterior segments without opening the mandible is an important treatment objective. In... -
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- Effects of a new type of clear overlay retainer on occlusal contacts
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Kim KY, Ahn HW, Kim SH, Nelson G
- KMID: 2379654
- Korean J Orthod.
- 2017 May;47(3):207-212.
- doi: 10.4041/kjod.2017.47.3.207
The popularity of clear overlay retainers (CORs) has increased recently because of their advantages such as better esthetics, cost effectiveness, easy fabrication, and good compliance. However, a deficiency in posterior... -
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- Severe bimaxillary protrusion with adult periodontitis treated by corticotomy and compression osteogenesis
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Kim SH, Lee KB, Chung KR, Nelson G, Kim TW
- KMID: 1469139
- Korean J Orthod.
- 2009 Feb;39(1):54-65.
- doi: 10.4041/kjod.2009.39.1.54
This paper describes the case of a 50-year-old female with a Class II malocclusion who presented with severe bimaxillary protrusion and generalized alveolar bone loss due to adult periodontitis. The... -
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- Contributors to Fatigue of MineWorkers in the South African Gold and Platinum Sector
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Pelders J, Nelson G
- KMID: 2453001
- Saf Health Work.
- 2019 Jun;10(2):188-195.
- doi: 10.1016/j.shaw.2018.12.002
BACKGROUND: Mine workers in South Africa face challenges relating to poor health and safety, including fatigue risks, and poor socioeconomic and living conditions. Fatigue results in impaired mental and physical... -
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- Severe bidentoalveolar protrusion treated with lingual Biocreative therapy using palatal miniplate
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Chung KR, Jeong DM, Park HJ, Kim SH, Nelson G
- KMID: 1975608
- Korean J Orthod.
- 2010 Aug;40(4):276-287.
- doi: 10.4041/kjod.2010.40.4.276
This case report describes the treatment of a 23-year, 8-month-old female patient with a Class II malocclusion who showed severe bidentoalveolar protrusion and anterior crowding. The treatment plan consisted of... -
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- Torque control during lingual anterior retraction without posterior appliances
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Mo SS, Kim SH, Sung SJ, Chung KR, Chun YS, Kook YA, Nelson G
- KMID: 2273463
- Korean J Orthod.
- 2013 Feb;43(1):3-14.
- doi: 10.4041/kjod.2013.43.1.3
OBJECTIVE: To evaluate the factors that affect torque control during anterior retraction when utilizing the C-retractor with a palatal miniplate as an exclusive source of anchorage without posterior appliances. METHODS: The... -
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- Quantitative cone-beam computed tomography evaluation of hard and soft tissue thicknesses in the midpalatal suture region to facilitate orthodontic mini-implant placement
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Oh SH, Lee SR, Choi JY, Kim SH, Hwang EH, Nelson G
- KMID: 2518519
- Korean J Orthod.
- 2021 Jul;51(4):260-269.
- doi: 10.4041/kjod.2021.51.4.260
Objective: To identify the most favorable sites that optimize the initial stability and survival rate of orthodontic mini-implants, this study measured hard and soft tissue thicknesses in the median and... -
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- Three-dimensional evaluation of the transfer accuracy of a bracket jig fabricated using computer-aided design and manufacturing to the anterior dentition: An in vitro study
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Park JH, Choi JY, Kim SH, Kim SJ, Lee KJ, Nelson G
- KMID: 2522500
- Korean J Orthod.
- 2021 Nov;51(6):375-386.
- doi: 10.4041/kjod.2021.51.6.375
Objective: To evaluate the accuracy of a one-piece bracket jig system fabricated using computer-aided design and manufacturing (CAD/CAM) by employing three-dimensional (3D) digital superimposition. Methods: This in vitro study included... -
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- Three-dimensional finite element analysis for determining the stress distribution after loading the bone surface with two-component mini-implants of varying length
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Choi B, Lee DO, Mo SS, Kim SH, Park KH, Chung KR, Nelson G, Han SH
- KMID: 2273190
- Korean J Orthod.
- 2011 Dec;41(6):423-430.
- doi: 10.4041/kjod.2011.41.6.423
OBJECTIVE: To evaluate the extent and aspect of stress to the cortical bone after application of a lateral force to a two-component orthodontic mini-implant (OMI, mini-implant) by using three-dimensional finite... -
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- Alveolar bone thickness and fenestration of incisors in untreated Korean patients with skeletal class III malocclusion: A retrospective 3-dimensional cone-beam computed tomography study
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Oh SH, Nahm KY, Kim SH, Nelson G
- KMID: 2471840
- Imaging Sci Dent.
- 2020 Mar;50(1):9-14.
- doi: 10.5624/isd.2020.50.1.9
PURPOSE: The purpose of this study was to evaluate vertical bone loss and alveolar bone thickness in the maxillary and mandibular incisors of patients with skeletal class III malocclusion. This... -
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- Displacement pattern of the anterior segment using antero-posterior lingual retractor combined with a palatal plate
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Seo KW, Kwon SY, Kim KA, Park KH, Kim SH, Ahn HW, Nelson G
- KMID: 2130591
- Korean J Orthod.
- 2015 Nov;45(6):289-298.
- doi: 10.4041/kjod.2015.45.6.289
OBJECTIVE: To evaluate and compare the effects of two appliances on the en masse retraction of the anterior teeth anchored by temporary skeletal anchorage devices (TSADs). METHODS: The sample comprised 46... -
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- Evaluation of a multi-stage convolutional neural network-based fully automated landmark identification system using cone-beam computed tomographysynthesized posteroanterior cephalometric images
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Kim MJ, Liu Y, Oh SH, Ahn HW, Kim SH, Nelson G
- KMID: 2513576
- Korean J Orthod.
- 2021 Mar;51(2):77-85.
- doi: 10.4041/kjod.2021.51.2.77
Objective: To evaluate the accuracy of a multi-stage convolutional neural network (CNN) model-based automated identification system for posteroanterior (PA) cephalometric landmarks. Methods: The multi-stage CNN model was implemented with a... -
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- En-masse retraction with a preformed nickel-titanium and stainless steel archwire assembly and temporary skeletal anchorage devices without posterior bonding
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Jee JH, Ahn HW, Seo KW, Kim SH, Kook YA, Chung KR, Nelson G
- KMID: 1726417
- Korean J Orthod.
- 2014 Sep;44(5):236-245.
- doi: 10.4041/kjod.2014.44.5.236
OBJECTIVE: To evaluate the therapeutic effects of a preformed assembly of nickel-titanium (NiTi) and stainless steel (SS) archwires (preformed C-wire) combined with temporary skeletal anchorage devices (TSADs) as the sole... -
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