Predictive Accuracy of Mandibular Ramus Flexure as a Morphologic Indicator of Sex Dimorphism in Jordanians

The present study investigated the validity of mandibular ramus flexure in sex differentiation among young Jordanian adults using Orthopantomographic images in a double blind study. A normative sample comprised of 419 images was selected, of which 126 belonged to male patients and 293 images to fema...

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Autores principales:	Badran,D. H, Othman,D. A, Thnaibat,H. W, Amin,W. M
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2015
Materias:	Sex dimorphism Ramus flexure Morphologic trait Predictive accuracy Forensic fossils Skeletal remains
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022015000400009
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spelling	oai:scielo:S0717-950220150004000092016-03-22Predictive Accuracy of Mandibular Ramus Flexure as a Morphologic Indicator of Sex Dimorphism in JordaniansBadran,D. HOthman,D. AThnaibat,H. WAmin,W. M Sex dimorphism Ramus flexure Morphologic trait Predictive accuracy Forensic fossils Skeletal remains The present study investigated the validity of mandibular ramus flexure in sex differentiation among young Jordanian adults using Orthopantomographic images in a double blind study. A normative sample comprised of 419 images was selected, of which 126 belonged to male patients and 293 images to females. The exclusion criteria used in the selection involved excluding images that showed marked loss of mandibular molars, over erupted, tilted, anomalous molars and teeth or mandibles associated with pathology. Each image was examined for the presence of a flexure on the posterior margin of the ramus at the occlusal plane. The posterior margin of the ramus was carefully traced graphically and the occlusal plane level was delineated as guided by the height of cusp tips at the occlusal surfaces of the mandibular molars. The ramus flexure was more accurately diagnostic for females (94.6%), than for males (47.6%); this gave rise to an overall diagnostic accuracy of 70.9% which is far below the reported 90.6-99.0% by Loth & Henneberg. Our results, however, agreed with some reported findings of other researchers. In conclusion, ramus flexure provides a moderately acceptable predictive accuracy and could be considered as a supplementary rather than a definitive mean of sex determination. In sexing unknown skeletal remains, it is necessary to employ as many methods or traits as possible instead of relying on one morphological trait.info:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.33 n.4 20152015-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022015000400009en10.4067/S0717-95022015000400009
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Sex dimorphism Ramus flexure Morphologic trait Predictive accuracy Forensic fossils Skeletal remains
spellingShingle	Sex dimorphism Ramus flexure Morphologic trait Predictive accuracy Forensic fossils Skeletal remains Badran,D. H Othman,D. A Thnaibat,H. W Amin,W. M Predictive Accuracy of Mandibular Ramus Flexure as a Morphologic Indicator of Sex Dimorphism in Jordanians
description	The present study investigated the validity of mandibular ramus flexure in sex differentiation among young Jordanian adults using Orthopantomographic images in a double blind study. A normative sample comprised of 419 images was selected, of which 126 belonged to male patients and 293 images to females. The exclusion criteria used in the selection involved excluding images that showed marked loss of mandibular molars, over erupted, tilted, anomalous molars and teeth or mandibles associated with pathology. Each image was examined for the presence of a flexure on the posterior margin of the ramus at the occlusal plane. The posterior margin of the ramus was carefully traced graphically and the occlusal plane level was delineated as guided by the height of cusp tips at the occlusal surfaces of the mandibular molars. The ramus flexure was more accurately diagnostic for females (94.6%), than for males (47.6%); this gave rise to an overall diagnostic accuracy of 70.9% which is far below the reported 90.6-99.0% by Loth & Henneberg. Our results, however, agreed with some reported findings of other researchers. In conclusion, ramus flexure provides a moderately acceptable predictive accuracy and could be considered as a supplementary rather than a definitive mean of sex determination. In sexing unknown skeletal remains, it is necessary to employ as many methods or traits as possible instead of relying on one morphological trait.
author	Badran,D. H Othman,D. A Thnaibat,H. W Amin,W. M
author_facet	Badran,D. H Othman,D. A Thnaibat,H. W Amin,W. M
author_sort	Badran,D. H
title	Predictive Accuracy of Mandibular Ramus Flexure as a Morphologic Indicator of Sex Dimorphism in Jordanians
title_short	Predictive Accuracy of Mandibular Ramus Flexure as a Morphologic Indicator of Sex Dimorphism in Jordanians
title_full	Predictive Accuracy of Mandibular Ramus Flexure as a Morphologic Indicator of Sex Dimorphism in Jordanians
title_fullStr	Predictive Accuracy of Mandibular Ramus Flexure as a Morphologic Indicator of Sex Dimorphism in Jordanians
title_full_unstemmed	Predictive Accuracy of Mandibular Ramus Flexure as a Morphologic Indicator of Sex Dimorphism in Jordanians
title_sort	predictive accuracy of mandibular ramus flexure as a morphologic indicator of sex dimorphism in jordanians
publisher	Sociedad Chilena de Anatomía
publishDate	2015
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022015000400009
work_keys_str_mv	AT badrandh predictiveaccuracyofmandibularramusflexureasamorphologicindicatorofsexdimorphisminjordanians AT othmanda predictiveaccuracyofmandibularramusflexureasamorphologicindicatorofsexdimorphisminjordanians AT thnaibathw predictiveaccuracyofmandibularramusflexureasamorphologicindicatorofsexdimorphisminjordanians AT aminwm predictiveaccuracyofmandibularramusflexureasamorphologicindicatorofsexdimorphisminjordanians
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Predictive Accuracy of Mandibular Ramus Flexure as a Morphologic Indicator of Sex Dimorphism in Jordanians

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