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KMID : 1157520200160020068
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International Journal of Clinical Preventive Dentistry
2020 Volume.16 No. 2 p.68 ~ p.79
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Arnett Facial Soft Tissue Cephalometric Analysis between the Ages of 6 and 15 Years in Mongolian Children
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Purevjav Erdenebulgan
Ganburged Ganjargal
Mukhtar Yerkyebulan
Bazar Amarsaikhan
Moriyama Keiji
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Abstract
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Objective: The study aimed to determine norms for Arnett et al.’s soft tissue cephalometric analysis from lateral cephalograms of Mongolian children and to identify the 9-year changes due to growth and development in boys and girls between 6 and 15 years of age.
Methods: The present study was conducted on lateral cephalograms of 541 subjects (225 male and 316 females) having normal occlusion in the age group of 6 to 15 years. All radiographs were digitized on a computer using a cephalometric software program. A total of 6 angulars, 38 linear measurements were measured for skeletal hard and soft tissue analysis.
Results: Comparison analysis of some measurement results with age groups shows that Mx-occlusal plane angle, Md1 to Md occlusal plane angle, Nasolabial angle has been decreased with age, Mx1, Mx occlusal plane angle, and Overbite was stable with age, whereas the other measurement results show an increase with age groups. No statistically significant gender differences were observed. The distinct ethnic difference was found between Caucasians and Mongolian kids.
Conclusion: Some measurement results were inconsistent with age groups. Statistically significant differences in some parameters were found between Mongolian children and Caucasian children but not between males and females of Mongolian children.
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KEYWORD
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Arnett, cephalometer, cephalogram, orthodontics
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