Root Anatomy and Canal Configuration of Maxillary Premolars: A Cone-beam Computed Tomography Study

SUMMARY: The aim of the study was to determine the number and anatomical configuration of roots and root canals of maxillary first and second premolars using cone-beam computed tomography scans. n273 CBCT scans were evaluated, obtaining a sample of 592 maxillary premolars. Root number and root canal...

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Autores principales:	Monardes,H, Herrera,K, Vargas,J, Steinfort,K, Zaror,C, Abarca,J
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2021
Materias:	Cone Beam Computed Tomography Radicular Anatomy Maxillary Premolar Ahmed Classification Root Canal Configuration
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022021000200463
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spelling	oai:scielo:S0717-950220210002004632021-04-22Root Anatomy and Canal Configuration of Maxillary Premolars: A Cone-beam Computed Tomography StudyMonardes,HHerrera,KVargas,JSteinfort,KZaror,CAbarca,J Cone Beam Computed Tomography Radicular Anatomy Maxillary Premolar Ahmed Classification Root Canal Configuration SUMMARY: The aim of the study was to determine the number and anatomical configuration of roots and root canals of maxillary first and second premolars using cone-beam computed tomography scans. n273 CBCT scans were evaluated, obtaining a sample of 592 maxillary premolars. Root number and root canal anatomy were categorized using Ahmed´s classification. Data was analyzed using Pearson’s Chi-squared test. Two roots were present on 157 first premolars, one root in 132 premolars and three roots in 17. Second premolars presented one root in 266 samples and two roots in 20; no second premolars presented three roots. Eight different configurations were found; the most frequent was 2MP B1 P1 in first premolars (51,3 %) and 1MP1 (63.6 %) in second premolars. The most frequent morphology found in maxillary premolars in Chilean population was two and three roots. The analysis of internal anatomy using CBCT revealed a highly variable distribution of root canals, generally of low to medium complexity, similar to what is found in other ethnic groups.info:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.39 n.2 20212021-04-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022021000200463en10.4067/S0717-95022021000200463
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Cone Beam Computed Tomography Radicular Anatomy Maxillary Premolar Ahmed Classification Root Canal Configuration
spellingShingle	Cone Beam Computed Tomography Radicular Anatomy Maxillary Premolar Ahmed Classification Root Canal Configuration Monardes,H Herrera,K Vargas,J Steinfort,K Zaror,C Abarca,J Root Anatomy and Canal Configuration of Maxillary Premolars: A Cone-beam Computed Tomography Study
description	SUMMARY: The aim of the study was to determine the number and anatomical configuration of roots and root canals of maxillary first and second premolars using cone-beam computed tomography scans. n273 CBCT scans were evaluated, obtaining a sample of 592 maxillary premolars. Root number and root canal anatomy were categorized using Ahmed´s classification. Data was analyzed using Pearson’s Chi-squared test. Two roots were present on 157 first premolars, one root in 132 premolars and three roots in 17. Second premolars presented one root in 266 samples and two roots in 20; no second premolars presented three roots. Eight different configurations were found; the most frequent was 2MP B1 P1 in first premolars (51,3 %) and 1MP1 (63.6 %) in second premolars. The most frequent morphology found in maxillary premolars in Chilean population was two and three roots. The analysis of internal anatomy using CBCT revealed a highly variable distribution of root canals, generally of low to medium complexity, similar to what is found in other ethnic groups.
author	Monardes,H Herrera,K Vargas,J Steinfort,K Zaror,C Abarca,J
author_facet	Monardes,H Herrera,K Vargas,J Steinfort,K Zaror,C Abarca,J
author_sort	Monardes,H
title	Root Anatomy and Canal Configuration of Maxillary Premolars: A Cone-beam Computed Tomography Study
title_short	Root Anatomy and Canal Configuration of Maxillary Premolars: A Cone-beam Computed Tomography Study
title_full	Root Anatomy and Canal Configuration of Maxillary Premolars: A Cone-beam Computed Tomography Study
title_fullStr	Root Anatomy and Canal Configuration of Maxillary Premolars: A Cone-beam Computed Tomography Study
title_full_unstemmed	Root Anatomy and Canal Configuration of Maxillary Premolars: A Cone-beam Computed Tomography Study
title_sort	root anatomy and canal configuration of maxillary premolars: a cone-beam computed tomography study
publisher	Sociedad Chilena de Anatomía
publishDate	2021
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022021000200463
work_keys_str_mv	AT monardesh rootanatomyandcanalconfigurationofmaxillarypremolarsaconebeamcomputedtomographystudy AT herrerak rootanatomyandcanalconfigurationofmaxillarypremolarsaconebeamcomputedtomographystudy AT vargasj rootanatomyandcanalconfigurationofmaxillarypremolarsaconebeamcomputedtomographystudy AT steinfortk rootanatomyandcanalconfigurationofmaxillarypremolarsaconebeamcomputedtomographystudy AT zarorc rootanatomyandcanalconfigurationofmaxillarypremolarsaconebeamcomputedtomographystudy AT abarcaj rootanatomyandcanalconfigurationofmaxillarypremolarsaconebeamcomputedtomographystudy
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Root Anatomy and Canal Configuration of Maxillary Premolars: A Cone-beam Computed Tomography Study

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