Morphometric Analysis of the Mental Foramen in Adult Sri Lankan Mandibles

Evidence shows a clear racial variation in the position of the mental foramen. Therefore, detailed knowledge of the morphometry of the mental foramen in different populations is essential in clinical dentistry when administering regional anesthesia, and performing peripheral surgery in the mental re...

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Autores principales:	Ilayperuma,Isurani, Nanayakkara,Ganananda, Palahepitiya,Nadeeka
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2009
Materias:	Mental foramen Position Sri Lanka
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000400010
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spelling	oai:scielo:S0717-950220090004000102010-05-18Morphometric Analysis of the Mental Foramen in Adult Sri Lankan MandiblesIlayperuma,IsuraniNanayakkara,GananandaPalahepitiya,Nadeeka Mental foramen Position Sri Lanka Evidence shows a clear racial variation in the position of the mental foramen. Therefore, detailed knowledge of the morphometry of the mental foramen in different populations is essential in clinical dentistry when administering regional anesthesia, and performing peripheral surgery in the mental region of the mandible. The goal of this study was to elucidate the morphological features and precise anatomical position of the mental foramen with reference to surrounding anatomical landmarks in an adult Sri Lankan population. A total of fifty one adult dry mandibles were assessed to determine the number, shape, orientation, vertical and transverse diameters of the mental foramen and the distance between the mental foramen and symphysis menti. The position of the mental foramen was determined in relation to the mandibular teeth. Data were evaluated between gender and side. The findings indicated that the most common position for the mental foramen was in line with the longitudinal axis of the lower second premolar (52.94%) followed by a position between first and second premolar (26.47%). The mean transverse and vertical diameters of the foramen were 3.31 ± 0.76 and 2.50 ± 0.61 mm, respectively. The mental foramen was located 24.87 ± 6.07 mm (right side) and 24.77 ± 6.07mm (left side) lateral to the symphysis menti. In the majority of cases, the mental foramen was oval in shape (59%) and its usual direction of opening was in a postero-superior direction (49.01%). The incidence of multiple mental foramina was 3.92%. The results of this study provide valuable information that will facilitate effective localization of the neurovascular bundle passing through the mental foramen thus avoiding complications from local anesthetic, surgical and other invasive procedures.info:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.27 n.4 20092009-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000400010en10.4067/S0717-95022009000400010
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Mental foramen Position Sri Lanka
spellingShingle	Mental foramen Position Sri Lanka Ilayperuma,Isurani Nanayakkara,Ganananda Palahepitiya,Nadeeka Morphometric Analysis of the Mental Foramen in Adult Sri Lankan Mandibles
description	Evidence shows a clear racial variation in the position of the mental foramen. Therefore, detailed knowledge of the morphometry of the mental foramen in different populations is essential in clinical dentistry when administering regional anesthesia, and performing peripheral surgery in the mental region of the mandible. The goal of this study was to elucidate the morphological features and precise anatomical position of the mental foramen with reference to surrounding anatomical landmarks in an adult Sri Lankan population. A total of fifty one adult dry mandibles were assessed to determine the number, shape, orientation, vertical and transverse diameters of the mental foramen and the distance between the mental foramen and symphysis menti. The position of the mental foramen was determined in relation to the mandibular teeth. Data were evaluated between gender and side. The findings indicated that the most common position for the mental foramen was in line with the longitudinal axis of the lower second premolar (52.94%) followed by a position between first and second premolar (26.47%). The mean transverse and vertical diameters of the foramen were 3.31 ± 0.76 and 2.50 ± 0.61 mm, respectively. The mental foramen was located 24.87 ± 6.07 mm (right side) and 24.77 ± 6.07mm (left side) lateral to the symphysis menti. In the majority of cases, the mental foramen was oval in shape (59%) and its usual direction of opening was in a postero-superior direction (49.01%). The incidence of multiple mental foramina was 3.92%. The results of this study provide valuable information that will facilitate effective localization of the neurovascular bundle passing through the mental foramen thus avoiding complications from local anesthetic, surgical and other invasive procedures.
author	Ilayperuma,Isurani Nanayakkara,Ganananda Palahepitiya,Nadeeka
author_facet	Ilayperuma,Isurani Nanayakkara,Ganananda Palahepitiya,Nadeeka
author_sort	Ilayperuma,Isurani
title	Morphometric Analysis of the Mental Foramen in Adult Sri Lankan Mandibles
title_short	Morphometric Analysis of the Mental Foramen in Adult Sri Lankan Mandibles
title_full	Morphometric Analysis of the Mental Foramen in Adult Sri Lankan Mandibles
title_fullStr	Morphometric Analysis of the Mental Foramen in Adult Sri Lankan Mandibles
title_full_unstemmed	Morphometric Analysis of the Mental Foramen in Adult Sri Lankan Mandibles
title_sort	morphometric analysis of the mental foramen in adult sri lankan mandibles
publisher	Sociedad Chilena de Anatomía
publishDate	2009
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000400010
work_keys_str_mv	AT ilayperumaisurani morphometricanalysisofthementalforameninadultsrilankanmandibles AT nanayakkaraganananda morphometricanalysisofthementalforameninadultsrilankanmandibles AT palahepitiyanadeeka morphometricanalysisofthementalforameninadultsrilankanmandibles
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Morphometric Analysis of the Mental Foramen in Adult Sri Lankan Mandibles

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