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Evaluation of the Performance of Orthodontic Devices Using FBG Sensors PDF
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Published on 2015 by

Abstract: Cross-bite, as a malocclusion effect, is defined as a transversal changing of the upper dental arch, in relation to the lower arch, and may be classified as skeletal, dental or functional. As a consequence, the expansion of maxilla is an effective clinical treatment used to correct transversal maxillary discrepancy. The maxillary expansion is an ancient method used in orthodontics, for the correction of the maxillary athresia with posterior crossbite, through the opening of the midpalatal suture (disjunction), using orthodontic- orthopaedic devices. Same controversial discussion arises among the clinicians, about the effects of each orthodontic devices as also about the technique to be employed. The objective of this study was to compare the strain field induced by two different orthodontic devices, named disjunctor with and without a connecting bar, in an acrylic model jaw, using fiber Bragg grating sensors to measure the strain patterns. The orthodontic device disjunctor with the bar, in general, transmits higher forces and strain to teeth and maxillae, than with the disjunctor without bar. It was verified that the strain patterns were not symmetric between the left and the right sides as also between the posterior and anterior regions of the maxillae. For the two devices is also found that in addition a displacement in the horizontal plane, particularly in posterior teeth, also occurs a rotation corresponding to a vestibularization of the posterior teeth and their alveolar processes.

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Download Evaluation of the Performance of Orthodontic Devices Using FBG Sensors PDF Free

Download Evaluation of the Performance of Orthodontic Devices Using FBG Sensors Books Free

Download Evaluation of the Performance of Orthodontic Devices Using FBG Sensors Free

Download Evaluation of the Performance of Orthodontic Devices Using FBG Sensors PDF

Download Evaluation of the Performance of Orthodontic Devices Using FBG Sensors Books