Award Date

12-1-2013

Degree Type

Thesis

Degree Name

Master of Science (MS)

Department

Dental Medicine

First Committee Member

James Mah

Second Committee Member

Clifford Seran

Third Committee Member

Edward Herschaft

Fourth Committee Member

Debra Martin

Fifth Committee Member

Kathyrn Korgan

Number of Pages

295

Abstract

Lateral cephalometric radiographs have been used for years to help diagnose skeletal and dental patterns in Orthodontics. Within the last decade, these radiographs have caught the interest of the department of Anthropology for the identification of gender within the adult and adolescent population. Numerous publications have been made but failed to identify sexual dimorphism in the pre-adolescent population. 303 lateral cephalograms of pre and post Latino adolescence age ranging from 6.5 to 17.9 years old were obtained from University of Nevada, Las Vegas (UNLV) digital database. 25 variables were identified and plotted with all linear and angular measurements transferred into Statistical Package for the Social Sciences (SPSS) version 17.0. A discriminant analysis with linear discriminant function, forward stepwise discriminant function and canonical correlation analyses were fabricated, compared and analyzed for the entire sample and for each individual age group. The discriminant function analysis yielded 74.6% accuracy with 89% female and 51.7% males accurately identified. The variables contributing the most (p

Keywords

Adolescents; Cephalometrics; Cephalometry; Dimorphism; Head – Sex differences; Hispanic American children; Lateral; Sexual; Sex differences

Disciplines

Dentistry | Genetics | Investigative Techniques | Radiology

Language

English


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