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An experimantal study on histologic changes of surrounding maxillary sutures to the widening of midpalatal suture in the dog

Joo JS, Ryu YK

  • KMID: 2038052
  • Korean J Orthod.
  • 1981 Dec;11(2):161-168.
This study was undertaken to observe the histologic changes of surrounding maxillary sutures to the widening of midpalatal suture, using two adult dogs, weighing about 10 kg, for experimental, and...
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Comparative studies on the retentive values of various dental cements used to retain orthodontic bands

Kim JY, Ryu YK

  • KMID: 2038051
  • Korean J Orthod.
  • 1981 Dec;11(2):151-160.
The purpose of this study was to compare the retentive values of various dental cements used for cementing the orthodontic bands on the teeth. Sound freshly extracted human premolar teeth...
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Correlations between mesiodistal crown diameters of permanent teeth

Koo JH, Lee KS

  • KMID: 2038050
  • Korean J Orthod.
  • 1981 Dec;11(2):143-150.
Casts of 180 Korean male and female with normal occulsion of early permanent dentition (from dental age of Hellman III C, to IV A) were studied to measure the mesiodistal...
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An experimental study on gross reactions of surrounding maxillary sutures to the widening of midpalatal suture in the dog

Lee IS, Ryu YK

  • KMID: 2038049
  • Korean J Orthod.
  • 1981 Dec;11(2):135-142.
This study was performed to observe the gross reactions of surrounding maxillary sutures to the widening of rnidpalatal suture in the dog. Three, healthy dog were chosen for the experiment....
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A study on the calcification of second molars in skeletal Class II malocclusion

Kim YM

  • KMID: 2038048
  • Korean J Orthod.
  • 1981 Dec;11(2):125-134.
To study the calcification of second molars in skeletal class II malocclusion, the author examined cephalograms, orthopantomograms, periapical films of 391 children from 7y 0m to.15y 11 m years old...
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A study of deep overbite and open bite by vertical cephalometric analysis

Jun YS, Ryu YK

  • KMID: 2038047
  • Korean J Orthod.
  • 1981 Dec;11(2):109-123.
The author studied and analyzed statistically 112 adults female ranging in age from 18 to 20 years with normal occlusion, 56 adults female ranging in age from 18 to 24...
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A study on calcification of the second molars in skeletal Class III malocclusions

Cha KS

  • KMID: 2038046
  • Korean J Orthod.
  • 1981 Dec;11(2):101-108.
This investigation was designed to compare the calcification degree of maxillary second permanent molar to mandibular second permanent molar in skeletal Class III Malocclusion. The material selected for this study...
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A longitudinal study of facial growth in Korean children

Chung KR

  • KMID: 2038045
  • Korean J Orthod.
  • 1981 Dec;11(2):85-100.
Serial lateral cephalometric radiographs of 40 Korean children(25 males, 15 females) ranging in age from 6 to 13 years were studied by means of computer morphometrics and statistical analysis. As a...
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A study of mandibular third molar impaction

Yang WS

  • KMID: 2038044
  • Korean J Orthod.
  • 1981 Dec;11(2):77-83.
The author analyzed the morphological pattern of mandibles and lower third molars in order to study and predict the impaction of the developmental third molars. The subjects consisted of. 37...
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A comparatve study on the gonial anles in cephalometric roentgenogram and orthopantomogram

Nahm DS

  • KMID: 2038043
  • Korean J Orthod.
  • 1981 Dec;11(2):71-75.
The author has studied on the gonial angles in cephalometric roentgenograph and orthopantomograph. Lateral cephalometric roentgenograms and orthopantomograms were taken from 62 patients who were consisted of 32 boys and...
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A study on the metabolic alteration of periodontal tissue on orthodontic tooth movement in rats

Chang YI

  • KMID: 2038042
  • Korean J Orthod.
  • 1981 Dec;11(2):65-70.
in the present study orthodontic force was applied to the molars of control group and experimental group treated with the lathyrogen beta-aminopropionitrile (BAPN). Observation resulted in the following conclusions; 1) New...
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An experimental study on the effect of hydrocortisone in the fusion mechanism of the secondary palatine shelves in the rat

Lee HJ

  • KMID: 2038041
  • Korean J Orthod.
  • 1981 Dec;11(2):57-64.
The purpose of this study was to investigate the effect of hydrocortisone in the fusion mech ani in of the secondary palatine shelves in the tat. Pregnant rats were injected...
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