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Evaluation of orthognathic surgery on articular disc position and temporomandibular joint symptoms in skeletal class II patients : a magnetic resonance imaging study

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Evaluation of orthognathic surgery on articular disc position and temporomandibular joint symptoms in skeletal class II patients : a magnetic resonance imaging study

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dc.contributor.author Firoozei, Gholamreza es
dc.contributor.author Shahnaseri, Shirin es
dc.contributor.author Momeni, Hasan es
dc.contributor.author Soltani, Parisa es
dc.date.accessioned 2017-11-15T09:24:28Z
dc.date.available 2017-11-15T09:24:28Z
dc.date.issued 2017 es
dc.identifier.citation Firoozei, Gholamreza ; Shahnaseri, Shirin ; Momeni, Hasan ; Soltani, Parisa. Evaluation of orthognathic surgery on articular disc position and temporomandibular joint symptoms in skeletal class II patients : a magnetic resonance imaging study. En: Journal of Clinical and Experimental Dentistry, 9 8 2017: 976-980 es
dc.identifier.uri http://hdl.handle.net/10550/63051
dc.description.abstract The purpose of orthognathic surgery is to correct facial deformity and dental malocclusion and to obtain normal orofacial function. However, there are controversies of whether orthognathic surgery might have any negative influence on temporomandibular (TM) joint. The purpose of this study was to evaluate the influence of orthognathic surgery on articular disc position and temporomandibular joint symptoms of skeletal CI II patients by means of magnetic resonance imaging. For this purpose, fifteen patients with skeletal CI II malocclusion, aged 19-32 years (mean 23 years), 10 women and 5 men, from the Isfahan Department of Oral and Maxillofacial Surgery were studied. All received LeFort I and bilateral sagittal split osteotomy (BSSO) osteotomies and all patients received pre- and post-surgical orthodontic treatment. Magnetic resonance imaging was performed 1 day preoperatively and 3 month postoperatively. Descriptive statistics and Wilcoxon and Mc-Nemar tests were used for statistical analysis. P<0.05 was considered significant. Disc position ranged between 4.25 and 8.09 prior to surgery (mean=5.74±1.21). After surgery disc position range was 4.36 to 7.40 (mean=5.65±1.06). Statistical analysis proved that although TM disc tended to move anteriorly after BSSO surgery, this difference was not statistically significant (p value<0.05). The findings of the present study revealed that orthognathic surgery does not alter the disc and condyle relationship. Therefore, it has minimal effects on intact and functional TM joint. es
dc.title Evaluation of orthognathic surgery on articular disc position and temporomandibular joint symptoms in skeletal class II patients : a magnetic resonance imaging study es
dc.type journal article es_ES
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.identifier.doi 10.4317/jced.53824 es
dc.type.hasVersion VoR es_ES

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