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VIRTUAL 3D PLACEMENT OF TEMPORARY ORTHODONTIC ANCHORAGE IMPLANTS
by
Craig Cheung
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 2009
Copyright 2009 Craig Cheung
Object Description
| Title | Cirtual 3D placement of temporary orthodontic anchorage implants |
| Author | Cheung, Craig |
| Author email | craigcheung@gmail.com; crcheung@yahoo.com |
| Degree | Master of Science |
| Document type | Thesis |
| Degree program | Cranio-Facial Biology |
| School | School of Dentistry |
| Date defended/completed | 2009-03-23 |
| Date submitted | 2009 |
| Restricted until | Unrestricted |
| Date published | 2009-05-07 |
| Advisor (committee chair) | Sameshima, Glenn |
| Advisor (committee member) |
Moon, Holly Paine, Michael |
| Abstract | The purpose of this study is to calculate the 3D position of a virtual mini screw using CBCT imaging. Patient records and DICOM images (n=92) were obtained from USC Graduate Orthodontics. With the aid of patient photographs and casts, a virtual mini screw implant was implanted between the first and second premolar on the 3D image. 3D positions from anatomical landmarks were measured using InVivo software. Results showed that the average mini screw to second bicuspid root distance is 0.83 ± .24 mm, and the mini screw to first molar root distance is 0.85 ± .22 mm. The average implant to the molar root apex distance is 8.6 ± 2.1 mm. Due to the lack of resolution of the 3D images, the horizontal measurements (lingual cortical plate to mini screw tip) could not be measured. Not all 3D coordinates could be measured with the given 3D data, but useful clinical data can be derived from the results. |
| Keyword | temporary anchorage device; TAD; cone beam computed tomography; CBCT; NewTom; virtual |
| 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-m2209 |
| Rights | Cheung, Craig |
| 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-Cheung-2801 |
| Archival file | uscthesesreloadpub_Volume51/etd-Cheung-2801.pdf |
Description
| Title | Page 1 |
| Full text | VIRTUAL 3D PLACEMENT OF TEMPORARY ORTHODONTIC ANCHORAGE IMPLANTS by Craig Cheung 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 2009 Copyright 2009 Craig Cheung |
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