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A COMPARATIVE STUDY OF CAUCASIAN AND
AFRICAN AMERICAN MANDIBULAR CLINICAL ARCH FORMS
by
John Robert Jerome
A Thesis Presented to the
FACULTY OF THE USC GRADUATE SCHOOL
UNIVERSITY OF SOUTHERN CALIFORNIA
In Partial Fulfillment of the
Requirements for the Degree
MASTER OF SCIENCE
(CRANIO-FACIAL BIOLOGY)
May 2012
Copyright 2012 John Robert Jerome
Object Description
| Title | A comparative study of caucasian and African American mandibular clinical arch forms |
| Author | Jerome, John Robert |
| Author email | johnjeromedds@gmail.com |
| Degree | Master of Science |
| Document type | Thesis |
| Degree program | Cranio-Facial Biology |
| School | School of Dentistry |
| Date defended/completed | 2012-03-05 |
| Date submitted | 2012-05-01 |
| Date approved | 2012-05-02 |
| Restricted until | 2012-05-02 |
| Date published | 2012-05-02 |
| Advisor (committee chair) | Sameshima, Glenn |
| Advisor (committee member) |
Paine, Michael Reyes, Enciso |
| Abstract | Introduction: The purpose of this study was to clarify morphologic differences between Caucasian and African American mandibular clinical arch forms in Class I, II, and III malocclusions. Methods: The study included 60 Class I, 50 Class II, and 50 Class III patients from the Caucasian group and 57 Class I, 26 Class II, and 17 Class III patients from the African American group. Orthodontic study models were photocopied, scanned, digitized, and measured (4 linear and 2 proportional). The dental arches were classified into square, ovoid, and tapered forms to compare the frequency distributions between the 2 ethnic groups. Results: The Caucasians had a significantly smaller arch dimensions than the African American, except for canine depth. African Americans had a higher frequency of tapered arch forms. Conclusion: There is a significant difference between frequency of arch forms and arch dimensions of African American and Caucasian patients. Specifically, there is no arch form unique to any of Angle classification or ethnic group. The most frequent arch form seen in Angle malocclusion groups was the tapered one, followed by the less frequent ovoid and square ones. |
| Keyword | arch forms; orthodontics |
| 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 |
| Provenance | Electronically uploaded by the author |
| Type | texts |
| Legacy record ID | usctheses-m |
| Rights | Jerome, John, Robert |
| Access conditions | The author retains rights to his/her dissertation, thesis or other graduate work according to U.S. copyright law. Electronic access is being provided by the USC Libraries in agreement with the author, as the original true and official version of the work, but does not grant the reader permission to use the work if the desired use is covered by copyright. It is the author, as rights holder, who must provide use permission if such use is covered by copyright. The original signature page accompanying the original submission of the work to the USC Libraries is retained by the USC Libraries and a copy of it may be obtained by authorized requesters contacting the repository e-mail address given. |
| Repository name | University of Southern California Digital Library |
| Repository address | USC Digital Library, University of Southern California, University Park Campus MC 7002, 106 University Village, Los Angeles, California 90089-7002, USA |
| Repository email | cisadmin@usc.edu |
| Archival file | uscthesesreloadpub_Volume4/etd-JeromeJohn-715.pdf |
Description
| Title | Page 1 |
| Full text | A COMPARATIVE STUDY OF CAUCASIAN AND AFRICAN AMERICAN MANDIBULAR CLINICAL ARCH FORMS by John Robert Jerome A Thesis Presented to the FACULTY OF THE USC GRADUATE SCHOOL UNIVERSITY OF SOUTHERN CALIFORNIA In Partial Fulfillment of the Requirements for the Degree MASTER OF SCIENCE (CRANIO-FACIAL BIOLOGY) May 2012 Copyright 2012 John Robert Jerome |
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