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Presurgical orthodontic decompensation of mandibular incisors.

Authors
  • Xu, B
  • Ju, Z
  • Hägg, U
  • Tideman, H
  • Piette, E
Type
Published Article
Journal
Australian orthodontic journal
Publication Date
Oct 01, 1995
Volume
14
Issue
1
Pages
28–33
Identifiers
PMID: 9063124
Source
Medline
License
Unknown

Abstract

The effects of presurgical orthodontic decompensation on lower incisor inclination and angle ANB were studied using a modified Pancherz method of cephalometric analysis. Two groups of patients with mandibular hyperplasia were studied: one group (Group 1) of nineteen cases which required orthodontic decompensation and another (Group 2) of twenty-one cases which did not. The cephalometric changes which occurred in Group 1 were compared with the significant cephalometric differences existing between the two groups with respect to incisor inclination (ILi/OL; P < .001) and the sagittal relation (ANB; P < 0.05). After orthodontic treatment the average lower incisal angulation of the treated group was the same as that in the untreated group; the variations (S.D) being 3.6 degrees and 7.4 degrees respectively indicating that the clinical assessment of the orthodontic treatment effect was quite high.

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