Facial Soft Tissue in Subjects with Class II and Class III Facial Deformities: Preliminary Results

Class II and class III skeletal anomalies require treatments that are both esthetic and functional, so the purpose of this investigation was to study the relationship between facial soft and hard tissues of patients with class II and class III deformities in the lower third of the face. A descriptiv...

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Autores principales: Olate,Sergio, Cantín,Mario, Vásquez,Bélgica, del Sol,Mariano, de Moraes,Márcio
Lenguaje:English
Publicado: Sociedad Chilena de Anatomía 2014
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Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022014000300044
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spelling oai:scielo:S0717-950220140003000442015-11-16Facial Soft Tissue in Subjects with Class II and Class III Facial Deformities: Preliminary ResultsOlate,SergioCantín,MarioVásquez,Bélgicadel Sol,Marianode Moraes,Márcio Facial deformity Facial morphology Orthognatic surgery Class II and class III skeletal anomalies require treatments that are both esthetic and functional, so the purpose of this investigation was to study the relationship between facial soft and hard tissues of patients with class II and class III deformities in the lower third of the face. A descriptive study was designed which included class II subjects with a SNB angle less than 78 and class III with a SNA angle less than 80. The soft tissue width was analyzed in relation to the Pg point, A point, B point, and upper and lower incisor cervical points. The naso-labial angle and interincisal angle were also analyzed. The studies were done using cone beam computerized tomography and analyzed with the software Simplant O&O (Materialise, Belgium). The results revealed similarities in the measurements of the facial width soft tissues with differences of less 1 mm in the Pg point, A point, B point, upper incisor point; the greatest differences were observed between the two groups in thelower incisor cervical point, with almost 5 mm difference in tissue size. The naso-labial angle also presented differences between the two groups, being more closed in the class III than in the class II subjects (approximate difference of 6). It can be concluded that there are minimal differences in the soft tissue width in class II and class III subjects; other parameters can be analyzed to search for differences that influence treatment planning and strategies for these patients.info:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.32 n.3 20142014-09-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022014000300044en10.4067/S0717-95022014000300044
institution Scielo Chile
collection Scielo Chile
language English
topic Facial deformity
Facial morphology
Orthognatic surgery
spellingShingle Facial deformity
Facial morphology
Orthognatic surgery
Olate,Sergio
Cantín,Mario
Vásquez,Bélgica
del Sol,Mariano
de Moraes,Márcio
Facial Soft Tissue in Subjects with Class II and Class III Facial Deformities: Preliminary Results
description Class II and class III skeletal anomalies require treatments that are both esthetic and functional, so the purpose of this investigation was to study the relationship between facial soft and hard tissues of patients with class II and class III deformities in the lower third of the face. A descriptive study was designed which included class II subjects with a SNB angle less than 78 and class III with a SNA angle less than 80. The soft tissue width was analyzed in relation to the Pg point, A point, B point, and upper and lower incisor cervical points. The naso-labial angle and interincisal angle were also analyzed. The studies were done using cone beam computerized tomography and analyzed with the software Simplant O&O (Materialise, Belgium). The results revealed similarities in the measurements of the facial width soft tissues with differences of less 1 mm in the Pg point, A point, B point, upper incisor point; the greatest differences were observed between the two groups in thelower incisor cervical point, with almost 5 mm difference in tissue size. The naso-labial angle also presented differences between the two groups, being more closed in the class III than in the class II subjects (approximate difference of 6). It can be concluded that there are minimal differences in the soft tissue width in class II and class III subjects; other parameters can be analyzed to search for differences that influence treatment planning and strategies for these patients.
author Olate,Sergio
Cantín,Mario
Vásquez,Bélgica
del Sol,Mariano
de Moraes,Márcio
author_facet Olate,Sergio
Cantín,Mario
Vásquez,Bélgica
del Sol,Mariano
de Moraes,Márcio
author_sort Olate,Sergio
title Facial Soft Tissue in Subjects with Class II and Class III Facial Deformities: Preliminary Results
title_short Facial Soft Tissue in Subjects with Class II and Class III Facial Deformities: Preliminary Results
title_full Facial Soft Tissue in Subjects with Class II and Class III Facial Deformities: Preliminary Results
title_fullStr Facial Soft Tissue in Subjects with Class II and Class III Facial Deformities: Preliminary Results
title_full_unstemmed Facial Soft Tissue in Subjects with Class II and Class III Facial Deformities: Preliminary Results
title_sort facial soft tissue in subjects with class ii and class iii facial deformities: preliminary results
publisher Sociedad Chilena de Anatomía
publishDate 2014
url http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022014000300044
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