Three Dimensional Deformation of Orthodontic Brackets

• Author / Creator

  Melenka, Garrett W.

• Braces are commonly used to correct misalignments or malocclusions in the mouth. One particular orthodontic treatment utilizes archwire rotation to control the anterior inclination of a tooth and motion is achieved through the interaction of a rectangular archwire within the rectangular bracket slot. The mechanical interaction between the wire and bracket slot can result in both elastic and plastic bracket deformation. To investigate bracket deformation due to archwire rotation the Orthodontic Torsion Simulator (OTS) was developed at the University of Alberta. A three dimensional (3D) DIC measurement method will be employed to determine the 3D deformation of the orthodontic brackets. The 3D DIC method will utilize two CCD cameras coupled with a stereo microscope and deformation of self-ligating orthodontic brackets of varying geometry will be compared using the 3D DIC method to demonstrate the 3D behavior of orthodontic brackets due to archwire rotation.

• Subjects / Keywords

  • Orthodontic Brackets
  • Digital Image Correlation
  • Deformation

• Graduation date

  Fall 2012

• Type of Item

  Thesis

• Degree

  Master of Science

• DOI

  https://doi.org/10.7939/R3VD8S

• License

  This thesis is made available by the University of Alberta Libraries with permission of the copyright owner solely for non-commercial purposes. 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.