Computed Tomography-Guided Bone Block Harvesting From the Mandibular Ramus

SUMMARY: The aim of this study was to ascertain the distance from the mandibular canal to the lateral, medial and upper zones of the mandibular ramus in order to identify safety margins that reduce the risk of nerve injuries in the process of removing a bone graft. A descriptive study was conducted,...

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Autores principales:	Parra,Marcelo, Jara,Jaime, Navarro,Pablo, Vásquez,Bélgica, Olate,Sergio
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2018
Materias:	Mandibular ramus Bone graft Donor site.
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022018000100362
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spelling	oai:scielo:S0717-950220180001003622019-09-16Computed Tomography-Guided Bone Block Harvesting From the Mandibular RamusParra,MarceloJara,JaimeNavarro,PabloVásquez,BélgicaOlate,Sergio Mandibular ramus Bone graft Donor site. SUMMARY: The aim of this study was to ascertain the distance from the mandibular canal to the lateral, medial and upper zones of the mandibular ramus in order to identify safety margins that reduce the risk of nerve injuries in the process of removing a bone graft. A descriptive study was conducted, analyzing bilaterally 20 CBCT exams from different patients, taking measurements at 4 points in the central, lateral and medial areas of the corresponding mandibular ramus, which was located at a distance of 5 mm between each line, starting at the distal point of the second molar. Forty hemimandibles were included in this study, estimating a vertical distance for the 4 points of analysis, from between 16 and 17 mm, a distance laterally of 5 mm approximately and medially approximately from 3 to 3.9 mm; the lateral zone was significantly larger than the medial zone. It is estimated that the maximum achievement of a bone block from the area posterior to the second molar must be 13 mm deep and 3 mm laterally to minimize the risks of injuries to the inferior alveolar neurovascular bundle.info:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.36 n.1 20182018-03-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022018000100362en10.4067/S0717-95022018000100362
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Mandibular ramus Bone graft Donor site.
spellingShingle	Mandibular ramus Bone graft Donor site. Parra,Marcelo Jara,Jaime Navarro,Pablo Vásquez,Bélgica Olate,Sergio Computed Tomography-Guided Bone Block Harvesting From the Mandibular Ramus
description	SUMMARY: The aim of this study was to ascertain the distance from the mandibular canal to the lateral, medial and upper zones of the mandibular ramus in order to identify safety margins that reduce the risk of nerve injuries in the process of removing a bone graft. A descriptive study was conducted, analyzing bilaterally 20 CBCT exams from different patients, taking measurements at 4 points in the central, lateral and medial areas of the corresponding mandibular ramus, which was located at a distance of 5 mm between each line, starting at the distal point of the second molar. Forty hemimandibles were included in this study, estimating a vertical distance for the 4 points of analysis, from between 16 and 17 mm, a distance laterally of 5 mm approximately and medially approximately from 3 to 3.9 mm; the lateral zone was significantly larger than the medial zone. It is estimated that the maximum achievement of a bone block from the area posterior to the second molar must be 13 mm deep and 3 mm laterally to minimize the risks of injuries to the inferior alveolar neurovascular bundle.
author	Parra,Marcelo Jara,Jaime Navarro,Pablo Vásquez,Bélgica Olate,Sergio
author_facet	Parra,Marcelo Jara,Jaime Navarro,Pablo Vásquez,Bélgica Olate,Sergio
author_sort	Parra,Marcelo
title	Computed Tomography-Guided Bone Block Harvesting From the Mandibular Ramus
title_short	Computed Tomography-Guided Bone Block Harvesting From the Mandibular Ramus
title_full	Computed Tomography-Guided Bone Block Harvesting From the Mandibular Ramus
title_fullStr	Computed Tomography-Guided Bone Block Harvesting From the Mandibular Ramus
title_full_unstemmed	Computed Tomography-Guided Bone Block Harvesting From the Mandibular Ramus
title_sort	computed tomography-guided bone block harvesting from the mandibular ramus
publisher	Sociedad Chilena de Anatomía
publishDate	2018
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022018000100362
work_keys_str_mv	AT parramarcelo computedtomographyguidedboneblockharvestingfromthemandibularramus AT jarajaime computedtomographyguidedboneblockharvestingfromthemandibularramus AT navarropablo computedtomographyguidedboneblockharvestingfromthemandibularramus AT vasquezbelgica computedtomographyguidedboneblockharvestingfromthemandibularramus AT olatesergio computedtomographyguidedboneblockharvestingfromthemandibularramus
_version_	1718445041460969472

Computed Tomography-Guided Bone Block Harvesting From the Mandibular Ramus

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