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An experimental study on frictional forces of various orthodontic wires under artificial saliva

Hwang HS, Park YC

  • KMID: 2271478
  • Korean J Orthod.
  • 1989 Mar;19(1):245-256.
Translational movement along an arch wire requires sufficient force to overcome frictional forces between bracket and arch wire. The orthodontist must appreciate the importance of friction in this process, and...
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A roentgenocephalometric study on the effects of the chincap in the skeletal Class III malocclusion

Hwang CI, Suhr CH

  • KMID: 2271477
  • Korean J Orthod.
  • 1989 Mar;19(1):219-243.
The purpose of this study was to evaluate the effects of the chincap therapy on the craniofacial structure in persons with skeletal Class III malocclusion. The patients selected for this...
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The cephalometric study of facial types in Class II division 1 malocclusion

Jeon YO, Lee KS

  • KMID: 2271476
  • Korean J Orthod.
  • 1989 Mar;19(1):201-218.
This study was focused on the distribution of different facial types of the Class II division 1 malocclusion groups and skeletal characteristics of the each group and those that anteropsterior...
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A cephalometric study of craniofacial skeletal characteristic of Korean adolescences with normal occlusion

Lee JM, Chung KR

  • KMID: 2271475
  • Korean J Orthod.
  • 1989 Mar;19(1):187-200.
The purpose of this study was to find out the craniofacial skeletal characteristics and to establish standards in facial patterns of Korean adolescences with normal occlusion. The subjects consisted of...
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Cephalometric norms for orthognathic surgery

Sung JO, Kyung HM, Kwon OW, Sung JH

  • KMID: 2271474
  • Korean J Orthod.
  • 1989 Mar;19(1):169-185.
The purpose of this study was to establish Korean norms that will be valuable aids for diagnosis in orthognathic surgery patients. Lateral cephalometric measurements were established for adult Koreans (60...
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A study on the mandibular growth in surgically repaired unilateral cleft lip and palate

Park CK, Yang WS

  • KMID: 2271473
  • Korean J Orthod.
  • 1989 Mar;19(1):153-167.
This study was undertaken to analyze the growth of mandible in surgically repaired unilateral cleft lip and palate. The subjects consisted of 63 unilateral cleft lip and palate individuals, 60...
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A longitudinal study of the changes in the anteroposterior apical base relationship between 6 and 13 years of age

Park IO, Sohn BH

  • KMID: 2271472
  • Korean J Orthod.
  • 1989 Mar;19(1):137-151.
To help arrive at a more accurate diagnosis of anteroposterior apial base relationship on each individual case, it is important to compare the interpretation in the same population on a...
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A roentgenocephalometric study on the depth of the antegonial notch and the craniofacial morphology in Class III malocclusion

Kim HS, Nahm DS

  • KMID: 2271471
  • Korean J Orthod.
  • 1989 Mar;19(1):123-135.
This study was undertaken to investigate the relationship between the depth of antegonial notch and the craniofacial morphology, and to predict the mandibular growth direction & potential class III malocclusion....
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Roentgenographic cephalometric standard for Korean according to the McNamara's analysis

Kim JM, Kyung HM, Kwon OW, Sung JH

  • KMID: 2271470
  • Korean J Orthod.
  • 1989 Mar;19(1):107-122.
The purpose of this study was to assess the growth changes of craniofacial complex and to establish Korean norms by McNamara's cephalometric analysis. Lateral cephalograms were obtained from males and...
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The dental arch form in normal occlusion

Kwon YC, Sung JO, Kwon OW, Sung JH

  • KMID: 2271469
  • Korean J Orthod.
  • 1989 Mar;19(1):95-106.
This study was designed to investigate dental arch shapes buccally and lingually at Bracket Level of Koreans. This involved studying 63 inviduals (37 males, 26 females) with normal occlusion ranging...
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The cephalometric study on the depth of the mandibular antegonial notch as on indicator of mandibular growth pattern

Kang SA, Ryu YK

  • KMID: 2271468
  • Korean J Orthod.
  • 1989 Mar;19(1):77-93.
The purpose of the present study were to disclose whether the depth of the mandibular antegonial notch can be used as an indicator of mandibular growth potential. The patients composed...
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Effects of intracellular sodium concentration on the bone resorption in organ culture

Lee TJ, Yang WS

  • KMID: 2271467
  • Korean J Orthod.
  • 1989 Mar;19(1):61-75.
Recently, indirect evidences suggest that Na-Ca exchange mechanism is involved in bone resorption. To study this suggestion, effects of several drugs which increase the intracellular sodium concentration by different mechanisms...
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A finite element analysis of the displacement and stress distribution of human dry mandible during the mandibular first molar cervical traction

Ahn EY, Chung KR

  • KMID: 2271466
  • Korean J Orthod.
  • 1989 Mar;19(1):45-60.
This study was undertaken to analyze the displacement and stress distribution in the mandible according to the pulling directions during mandibular first molar cervical traction after mandibular second molar extraction....
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An electron microscopic study on the tissue changes in the pressure zones of rat molar periodontium incident to orthodontic tooth movement

Koo JH, Lee KS

  • KMID: 2271465
  • Korean J Orthod.
  • 1989 Mar;19(1):21-44.
Incipient changes of the periodontal tissue in the pressure zones of rat molar subjected to the experimental force were studied by the transmission electron microscope. Experimental animals were consisted in...
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A longitudinal study of soft-tissue facial profile changes in Korean children

Chung KR

  • KMID: 2271464
  • Korean J Orthod.
  • 1989 Mar;19(1):7-20.
A serial cephalometric study was undertaken to define the growth of the soft tissue facial profile in Korean children. The sample was composed of 25 males and 15 females for...
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