Lateral Cephalometric Norms for Adolescent Kuwaitis: Hard Tissue Measurements

Vol. 15, No. 2, 2006

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Original Paper

Lateral Cephalometric Norms for Adolescent Kuwaitis: Hard Tissue Measurements
Badreia Al-Jame^a, Jon Årtun^b, Rashed Al-Azemi^c, Faraj Behbehani^b, Sana BuHamra^d

^aPrivate Practice, Northern Nuqra Medical Complex;
^bDepartment of Developmental and Preventive Sciences, Faculty of Dentistry, Kuwait University;
^cBneid Al-Gar Dental Center, Ministry of Health, and
^dDepartment of Statistics, Faculty of Science, Kuwait University, Kuwait

Address of Corresponding Author

Med Princ Pract 2006;15:91-97 (DOI: 10.1159/000090910)

Key Words

Lateral cephalograms
Cephalometric norms
Kuwaitis, adolescent
Treatment planning

Abstract

Objective: The purpose of this study was to establish lateral cephalometric hard tissue norms for adolescent Kuwaitis and to compare them with published norms. Subjects and Methods: Digital lateral cephalograms were made of 162 Kuwaitis (82 boys and 80 girls of mean age 13.27 ± 0.42 years and 13.21 ± 0.43 years, respectively), with almost ideal occlusion. Anatomic landmarks were identified directly on the digital images. Linear and angular measurements were calculated electronically using the Dolphin version 9 software package. Results: The average subject in the sample had a steeper mandibular plane, a more convex profile with a tendency for reduced chin protrusion, and a more protrusive dentition than the norms of the common analysis systems. In addition, the ranges of the skeletal and dentoalveolar parameters were larger than those reported in the above-mentioned norms. Gender differences were limited to maxillary and mandibular length and lower anterior facial height. Conclusion: The present findings indicate that Kuwaiti norms for incisor inclination and protrusion should be used as a reference when making the extraction decision in Kuwaiti orthodontic patients, and that the variation in skeletal relationships among subjects with satisfactory occlusal compensations is larger than previously documented, suggesting a need for establishing different norms for different skeletal patterns.

Author Contacts

Dr. Jon Årtun
Department of Developmental and Preventive Sciences
Faculty of Dentistry, Kuwait University
PO Box 24923, 13110 Safat (Kuwait)
Tel. +965 498 6690, ext. 7100, Fax +965 532 6049, E-Mail artun@hsc.edu.kw

Article Information

Received: April 16, 2005
Accepted: July 2, 2005
Number of Print Pages : 7
Number of Figures : 1, Number of Tables : 2, Number of References : 37

Medline Abstract (ID 16484833)

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