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True vertical validation in facial orthognathic surgery planning

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True vertical validation in facial orthognathic surgery planning

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dc.contributor.author Espinar Escalona, E. es
dc.contributor.author Ruiz Navarro, María Belén es
dc.contributor.author Barrera Mora, José Mª es
dc.contributor.author Llamas Carreras, José María es
dc.contributor.author Puigdollers Pérez, Andreu es
dc.contributor.author Ayala Puente, Jorge es
dc.date.accessioned 2014-05-22T09:42:26Z
dc.date.available 2014-05-22T09:42:26Z
dc.date.issued 2013 es
dc.identifier.citation Espinar Escalona, E. ; Ruiz Navarro, María Belén ; Barrera Mora, José Mª ; Llamas Carreras, José María ; Puigdollers Pérez, Andreu ; Ayala Puente, Jorge. True vertical validation in facial orthognathic surgery planning. En: Journal of Clinical and Experimental Dentistry, 2013, Vol. 5, No. 5: 231-238 es
dc.identifier.uri http://hdl.handle.net/10550/35347
dc.description.abstract Objectives: To validate the effectiveness of the original standards of True Vertical (TV) Subnasal Line in orthognatic surgery planning. The present study evaluates the changes occurring in patients with skeletal Class II alterations programmed for orthognathic surgery with a view to improving their facial profile. Study desing: We showed a series of black profiles (composed by a first control group of subjects with normal occlusion, and another two additional groups comprised patients before -Group 2- and after orthognatic surgical correction of Class II malocclusion -Group 3-) for three groups of observers (orthodontists, surgeons and laypeople). The facial images became black silhouettes in order to determine a series of parameters (including aesthetic assessment) by means of the observers. Their observation were assessed using a 5-point Likert scale. Results: The sample was composed of 52 profile's subjects who were tested for a total of 72 observers. Aesthetic assessment yielded mean scores of 2.57, 1.67 and 2.46 for groups 1, 2 and 3, respectively. There was a statistically significant difference (p<0.001) between group 1 versus group 2. There were no significant differences in terms of observer assessment of aesthetics, with the exception of a wider perception range among the orthodontists. Regarding the studied profile measures, significant differences were recorded for point B' and Pg' (p<0.02) between groups 2 and 3 (i.e., pre- versus post-surgery). Conclusions: The results of our study suggest the subnasale vertical and sagittal measures of the lower third of the face are decisive in facial aesthetics, and therefore also for the planning of orthognathic surgery. Consequently, these aesthetic parameters can be used as an objective tool for the planning of orthodontic treatment. en_US
dc.subject Odontología es
dc.subject Ciencias de la salud es
dc.title True vertical validation in facial orthognathic surgery planning es
dc.type journal article es_ES
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.type.hasVersion VoR es_ES

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