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Faculty of Dentistry
Document Details
Document Type
:
Article In Journal
Document Title
:
CEPHALOMETRIC STUDIES IN K.F. (XXY) SYNDROME AND TURNER (XO) SYNDROME
دراسة لقياسات الوجه والأس في متلازمة كلينفلتر ومتلازمة ترنو
Document Language
:
English
Abstract
:
The aim of the present investigation was to analyze craniofacial morphology in adults with Turner Syndrome (XO) and K.F. Syndrome (XXY), to compare the morphology in patients with 45,XO karyotypes to normal females (XX) and patients with 47,XXY to normal males (XY). A comparison between two Turner patients with the female standards for Egyptian adults and for K.F. patients with the male standards for the Egyptian adults is made. For each subject, the cephalogram was obtained with the head positioned in a cephalostat and oriented to the Frankfurt Horizontal plane. Various linear and angular measurements have been obtained: Skeletal measurements (SNA, SNB for the anterior inclination angle at Sella-Nasion plane; ANB for the facial profile angle; SN-MP, SN-PP, PP-MP, SGO, NMe and ANSMe for the vertical linear measurements). (b) Dental measurements in Turner Syndrome showed negative deviation from the normal females while K.F. patients showed positive deviation from normal males. The dental angular were insignificant in Turner and K.F. patients. The dental linear showed positive deviation from normal females in Turner patients and K.F. patients. These data suggest that the absence of an X-chromosome causes more marked underdevelopment of the mandible, then the upper face and lastly the teeth while the presence of an extra X-chromosome causes changes in the opposite direction. The the effect similar to phics. results of this research add more evidence to of X-chromosome dosage on quantitative traits what was previously noted regarding dermatogly-phics
ISSN
:
0
Journal Name
:
THE JOURNAL OF THE EGYPTIAN
Volume
:
1
Issue Number
:
1
Publishing Year
:
1991 AH
1991 AD
Article Type
:
Article
Added Date
:
Sunday, February 7, 2010
Researchers
Researcher Name (Arabic)
Researcher Name (English)
Researcher Type
Dr Grade
Email
زينب عبدالسلام
Abdel-Salam, Zinab
Researcher
Doctorate
Files
File Name
Type
Description
25239.pdf
pdf
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