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Full-Text Articles in Dental Materials
Clinical Debonding Simulation Study Of One Metal And Two Ceramic Brackets, Hyunsup Shim
Clinical Debonding Simulation Study Of One Metal And Two Ceramic Brackets, Hyunsup Shim
Loma Linda University Electronic Theses, Dissertations & Projects
The purpose of this study is to compare two mechanical debonding methods on ceramic brackets (TP MXi and 3M Clarity) and a metal bracket (GAC OmniArch) with four different bonding materials (light-cured, one-step chemical-cured, two-step chemical-cured, and Fuji GIC) in clinical simulation, where the diametral force was applied on the handle of the pliers. The effectiveness of mechanical debonding technique was determined by evaluating the following variables: the amount of force required to debond the bracket, the amount of residual adhesive remaining on the enamel surface, the frequency of unexpected bracket failure, and the prevalence of visible enamel damage. The …
Evaluation Of The Effects Of Heat Treatment Using Orthotherm On Thermally Activated Archwires, Brent J. Hurst
Evaluation Of The Effects Of Heat Treatment Using Orthotherm On Thermally Activated Archwires, Brent J. Hurst
Loma Linda University Electronic Theses, Dissertations & Projects
The purpose of this study was to evaluate the effects of heat treatment on thermally activated nickel titanium archwires, and to determine the differences between wires from individual manufacturers. Thermally activated, nickel titanium wires were obtained from five different manufacturers in the 0.016 x 0.022 format. All wires were measured with a micrometer to determine their exact dimensions. Half of the wires were heat treated with the use of the Orthotherm Bending Art Programmer from Syrinx Medical Technologies (Berlin, Germany) while the other half served as a control. By passing an electrical current through the wires for a predetermined period …