Download the full-sized PDF of Development of a three dimensional analysis of buccolingual inclinations in maxillary transverse deficienciesDownload the full-sized PDF



Permanent link (DOI):


Export to: EndNote  |  Zotero  |  Mendeley


This file is in the following communities:

Graduate Studies and Research, Faculty of


This file is in the following collections:

Theses and Dissertations

Development of a three dimensional analysis of buccolingual inclinations in maxillary transverse deficiencies Open Access


Other title
buccolingual inclinations
diagnosis of
maxillary transverse deficiencies
maxillary transverse constriction
dental transverse deficiencies
three dimensional imaging
3D transverse analysis
skeletal transverse deficiencies
Type of item
Degree grantor
University of Alberta
Author or creator
Sawchuk, Dena M
Supervisor and department
Dr. Manuel Lagravere Vich, Department of Dentistry
Examining committee member and department
Dr. Manuel Lagravere Vich, Department of Dentistry
Dr. Sheila Passos, Department of Dentistry
Dr. Maria Febbraio, Department of Dentistry
Dr. Juan Martin Palomo, Department of Dentistry
Dr. Carlos Flores-Mir, Department of Dentistry
Medical Sciences-Orthodontics

Date accepted
Graduation date
2017-11:Fall 2017
Master of Science
Degree level
Abstract Introduction: The purpose of this thesis was to develop a new 3D transverse analysis that utilizes a 3D Cartesian coordinate system to assess buccolingual inclinations of first molars and canines using a previously described 3D maxillary reference plane. Landmarks used to create this analysis were assed for reliability and compared to the reliability of the previously described CWRU transverse analysis. Resulting buccolingual inclinations from this new analysis and CWRU transverse analysis were compared. Methods: CBCTs of 10 skulls were used to test reliability of the landmarks chosen to develop a novel analysis and reliability of the angular measurements produced by the CWRU transverse analysis. CBCTs of 60 patients were then used to compare resulting angular measurements, molar and canine buccolingual inclinations, between the two methods. Results: All 20 Avizo landmarks for the novel 3D analysis were reliable. The 8 angular CWRU measurements demonstrated good intra-examiner reliability but reduced inter-examiner reliability. There was a statistically significant difference for all measured teeth when techniques were compared but only maxillary canines showed a clinical difference between both methods. Conclusion: The developed Alberta DS transverse analysis was demonstrated to be very reliable and produced results clinically similar to the CWRU transverse analysis except for maxillary canines. This novel analysis can provide a new, reliable tool to aid in diagnosing maxillary transverse deficiencies by identifying dental compensations.
This thesis is made available by the University of Alberta Libraries with permission of the copyright owner solely for the purpose of private, scholarly or scientific research. This thesis, or any portion thereof, may not otherwise be copied or reproduced without the written consent of the copyright owner, except to the extent permitted by Canadian copyright law.
Citation for previous publication
Sawchuk D, Currie K, Lagravere Vich M, Palomo JM, Flores-Mir C. Diagnostic methods for assessing maxillary skeletal and dental transverse deficiencies: A systematic review. Korean J of Orthod. 2016 Sep;46(5):331-342.

File Details

Date Uploaded
Date Modified
Audit Status
Audits have not yet been run on this file.
File format: pdf (PDF/A)
Mime type: application/pdf
File size: 21872569
Last modified: 2017:11:08 18:06:14-07:00
Filename: Sawchuk_Dena_M_201708_PDFA.pdf
Original checksum: b85395b87caa4dc367ec17b4d4c68314
Activity of users you follow
User Activity Date