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SEXUAL DIFFERENCES AND EARLY ERUPTION TIMING OF THE PERMANENT
DENTITION IN MEXICAN ADOLESCENTS- A COMPARISON WITH THE
CAUCASIAN STANDARDS
by
Jenniffer Rojas
A Thesis Presented to the
FACULTY OF THE GRADUATE SCHOOL
UNIVERSITY OF SOUTHERN CALIFORNIA
In Partial Fulfillment of the
Requirements for the Degree
MASTER OF SCIENCE
(CRANIOFACIAL BIOLOGY)
May 2008
Copyright 2008 Jenniffer Rojas
Object Description
| Title | Sexual differences and early eruption timing of the permanent dentition in Mexican adolescents- a comparison with the Caucasian standards |
| Author | Rojas, Jenniffer |
| Author email | jenniffr@usc.edu |
| Degree | Graduate Certificate |
| Document type | Thesis |
| Degree program | Dentistry |
| School | School of Dentistry |
| Date defended/completed | 2008-02-11 |
| Date submitted | 2008 |
| Restricted until | Unrestricted |
| Date published | 2008-03-06 |
| Advisor (committee chair) | Sameshima, Glenn |
| Advisor (committee member) |
Moon, Holly Paine, Michael |
| Abstract | The purpose of this study was to compare the eruption timing of the posterior permanent dentition in Mexican adolescents in reference to the current standards, and to determine if sexual dimorphism is present in the Mexican sample. 257 consecutive records were obtained from a university orthodontic program in Mexico City using established criteria. The eruption of the posterior secondary dentition was recorded for subjects from 8 to 12 years of age, and the data compared statistically to the Caucasian data from a previous study. Significant differences in eruption timing start showing in 8 year old females (p=.044, lower premolars) and 10-year-old males (p=.001, upper bicuspids). For all age groups, the posterior permanent dentition erupts earlier in Mexican patients. For the Mexican sample, evidence of sexual differences in eruption timing was present by age 10, however differences were not statistically significant. Effective diagnosis and treatment planning for patients of Mexican heritage may require assessment at an earlier age. |
| Keyword | eruption timing |
| Geographic subject (city or populated place) | Mexico City |
| Geographic subject (country) | Mexico |
| Language | English |
| Part of collection | University of Southern California dissertations and theses |
| Publisher (of the original version) | University of Southern California |
| Place of publication (of the original version) | Los Angeles, California |
| Publisher (of the digital version) | University of Southern California. Libraries |
| Type | texts |
| Legacy record ID | usctheses-m1045 |
| Rights | Rojas, Jenniffer |
| Repository name | Libraries, University of Southern California |
| Repository address | Los Angeles, California |
| Repository email | http://www.usc.edu/isd/libraries/services/ask_a_librarian/email/ |
| Filename | etd-Rojas-20080306 |
| Archival file | uscthesesreloadpub_Volume23/etd-Rojas-20080306.pdf |
Description
| Title | Page 1 |
| Full text | SEXUAL DIFFERENCES AND EARLY ERUPTION TIMING OF THE PERMANENT DENTITION IN MEXICAN ADOLESCENTS- A COMPARISON WITH THE CAUCASIAN STANDARDS by Jenniffer Rojas A Thesis Presented to the FACULTY OF THE GRADUATE SCHOOL UNIVERSITY OF SOUTHERN CALIFORNIA In Partial Fulfillment of the Requirements for the Degree MASTER OF SCIENCE (CRANIOFACIAL BIOLOGY) May 2008 Copyright 2008 Jenniffer Rojas |
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