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COMPARISON OF CORTICAL BONE THICKNESS BETWEEN SECOND
PREMOLARS AND FIRST MOLARS IN THE MAXILLA AND MANDIBLE IN
FOUR ETHNIC GROUPS
by
Sage Monroe Humphries
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 2007
Copyright 2007 Sage Monroe Humphries
Object Description
| Title | Comparison of cortical bone thickness between second premolars and first molars in the maxilla and mandible in four ethnic groups |
| Author | Humphries, Sage Monroe |
| Author email | shumphri@usc.edu |
| Degree | Master of Science |
| Document type | Thesis |
| Degree program | Dentistry |
| School | School of Dentistry |
| Date defended/completed | 2007-01-22 |
| Date submitted | 2007 |
| Restricted until | Unrestricted |
| Date published | 2007-02-15 |
| Advisor (committee chair) | Sameshima, Glenn T. |
| Advisor (committee member) |
[illegible], James Reyes, [illegible] |
| Abstract | The objective of this study was to compare cortical bone thickness (CBT) between gender groups, ethnic groups, the maxilla and mandible, and the right and left sides of each jaw. CBCT volumetric data was used to generate transaxial slices between the second premolar and first molar and CBT was measured 3, 6, 9, and 12mm from the crest of the alveolar ridge in each dental quadrant. Mandibular CBT (mean = 1.84mm) was significantly greater than maxillary CBT (mean = 1.33mm) and CBT in the right side of each jaw was greater than the left side. There was a significant difference in CBT between ethnic groups at 4 of 16 surveyed sites. CBT was greater in males than females at all sites but was only significant at UL3 and UL6. |
| Keyword | cortical bone thickness; tmporary anchorage device; ethnicity and cortical bone thickness; miniscrew; mini-implant; absolute anchorage |
| 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-m273 |
| Rights | Humphries, Sage Monroe |
| 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-Humphries-20070215 |
| Archival file | uscthesesreloadpub_Volume40/etd-Humphries-20070215.pdf |
Description
| Title | Page 1 |
| Full text | COMPARISON OF CORTICAL BONE THICKNESS BETWEEN SECOND PREMOLARS AND FIRST MOLARS IN THE MAXILLA AND MANDIBLE IN FOUR ETHNIC GROUPS by Sage Monroe Humphries 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 2007 Copyright 2007 Sage Monroe Humphries |
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