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Influence of Hyrax screw position on dental movement and cortical bone : a study of finite elements

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Influence of Hyrax screw position on dental movement and cortical bone : a study of finite elements

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dc.contributor.author Gómez Gómez, Sandra Liliana es
dc.contributor.author Villarraga Ossa, Junes es
dc.contributor.author Arcila-Monsalve, Juan-Camilo es
dc.contributor.author Moreno-Garzón, Diana-Marcela es
dc.contributor.author Ardila Medina, Carlos Martín es
dc.date.accessioned 2020-02-05T08:59:00Z
dc.date.available 2020-02-05T08:59:00Z
dc.date.issued 2019 es
dc.identifier.citation Gómez Gómez, Sandra Liliana ; Villarraga Ossa, Junes ; Arcila-Monsalve, Juan-Camilo ; Moreno-Garzón, Diana-Marcela ; Ardila Medina, Carlos Martín. Influence of Hyrax screw position on dental movement and cortical bone : a study of finite elements. En: Journal of Clinical and Experimental Dentistry, 11 12 2019: 1099-1108 es
dc.identifier.uri https://hdl.handle.net/10550/72906
dc.description.abstract Rapid maxillary expansion (RME) has effects on the dental and periodontal structures of the parts involved, which vary according to the design and position of the expansion screw. The purpose of the study was to determine the optimal three-dimensional position of the Hyrax screw to obtain precise control of the dental movement and effect on the bone cortex using the finite element method (FEM). RME was performed from the patient whom two Cone-Beam computerized tomography scans (CBCT) were obtained: T1 before expansion, and T2 three months after stabilization of RME. The FEM model was designed with T1 and of Hyrax photographs. FEM was obtained by comparing the simulation, T2, and clinical results. Three sagittal screw positions (anterior-middle-posterior) and vertical (upper-medium-low) were evaluated. A coronal- buccal displacement of premolars and first molars was found which decreased in the occlusal-apical direction, presenting different types of dental movement in the screw positions; besides, a tendency of translational movement in the posterior-high location was observed. In the posterior-high position a higher concentration of efforts and homogeneous deformations in the periodontal ligament and vestibular cortex of the cervical area of first molars, first and second premolars were observed, with variations according to the screw position and the distribution of stresses. The ideal location of the expansion screw for controlling dental movement and periodontal side effects was the high-posterior position. es
dc.title Influence of Hyrax screw position on dental movement and cortical bone : a study of finite elements es
dc.type journal article es_ES
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.identifier.doi 10.4317/jced.56347 es
dc.type.hasVersion VoR es_ES

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