Anatomical evaluation of the root canal diameter and root thickness on the apical third of mesial roots of molars
The purpose was to determine the diameter of the main root canal and wall thickness in the apical dentin in mesial roots of maxillary and mandibular molars. Forty mesiobuccal and mesial root specimens were sectioned horizontally at 1, 2 and 3 mm from the apex, and measured at each top surface by usi...
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| Veröffentlicht in: | Anatomical science international 2011-09, Vol.86 (3), p.146-150 |
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| creator | Martos, Josué Tatsch, Gustavo Henrique Tatsch, Augusto César Silveira, Luiz Fernando Machado Ferrer-Luque, Carmen María |
| description | The purpose was to determine the diameter of the main root canal and wall thickness in the apical dentin in mesial roots of maxillary and mandibular molars. Forty mesiobuccal and mesial root specimens were sectioned horizontally at 1, 2 and 3 mm from the apex, and measured at each top surface by using optical microscopy to an accuracy of ×20 magnification. The anatomical parameters were established as the following points of reference: AB, two points connected by a line from the outer edge of the mesial wall to the outer edge of the distal one through the center of the root canal to measure the thickness of the root and mesiodistal diameter of the root canal (CD). A second line (EF) was designed to evaluate the diameter of the root canal in the buccolingual direction. All data were summarized, and values were assessed statistically by ANOVA and Bonferroni multiple comparisons. The buccolingual (BL) root canal diameters at 1, 2 and 3 mm in the mandibular and maxillary molars were greater than in the mesiodistal (MD), showing statistically significant differences (
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| doi_str_mv | 10.1007/s12565-011-0102-1 |
| format | Article |
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p
< 0.05). The MD root thicknesses at 1, 2 and 3 mm in mandibular and maxillary molars were statistically significant (
p
< 0.05). The lowest value to 1 mm from the apex in the mandibular molars was 1.219 mm and the highest at 3 mm from the root apex in maxillary molars was 1.741 mm. The BL diameters in maxillary and mandibular molars were higher than the MD diameter. The thickness (MD) of maxillary and mandibular molars decreased as a function of apical proximity.</description><identifier>ISSN: 1447-6959</identifier><identifier>EISSN: 1447-073X</identifier><identifier>DOI: 10.1007/s12565-011-0102-1</identifier><identifier>PMID: 21409526</identifier><language>eng</language><publisher>Japan: Springer Japan</publisher><subject>Accuracy ; Anatomy ; Anatomy & physiology ; Animal Anatomy ; Animal Physiology ; Cell Biology ; Dentin ; Histology ; Human Physiology ; Humans ; Medicine ; Medicine & Public Health ; Microscopy ; Molar - anatomy & histology ; Morphology ; Neurosciences ; Original Article ; Teeth ; Tooth Root - anatomy & histology</subject><ispartof>Anatomical science international, 2011-09, Vol.86 (3), p.146-150</ispartof><rights>Japanese Association of Anatomists 2011</rights><rights>Copyright Springer Publishing Company Sep 2011</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c423t-ceec546977b29438334c6a273b86c218d2d7ad572edb71e66c68eb83a78695703</citedby><cites>FETCH-LOGICAL-c423t-ceec546977b29438334c6a273b86c218d2d7ad572edb71e66c68eb83a78695703</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s12565-011-0102-1$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s12565-011-0102-1$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21409526$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Martos, Josué</creatorcontrib><creatorcontrib>Tatsch, Gustavo Henrique</creatorcontrib><creatorcontrib>Tatsch, Augusto César</creatorcontrib><creatorcontrib>Silveira, Luiz Fernando Machado</creatorcontrib><creatorcontrib>Ferrer-Luque, Carmen María</creatorcontrib><title>Anatomical evaluation of the root canal diameter and root thickness on the apical third of mesial roots of molars</title><title>Anatomical science international</title><addtitle>Anat Sci Int</addtitle><addtitle>Anat Sci Int</addtitle><description>The purpose was to determine the diameter of the main root canal and wall thickness in the apical dentin in mesial roots of maxillary and mandibular molars. Forty mesiobuccal and mesial root specimens were sectioned horizontally at 1, 2 and 3 mm from the apex, and measured at each top surface by using optical microscopy to an accuracy of ×20 magnification. The anatomical parameters were established as the following points of reference: AB, two points connected by a line from the outer edge of the mesial wall to the outer edge of the distal one through the center of the root canal to measure the thickness of the root and mesiodistal diameter of the root canal (CD). A second line (EF) was designed to evaluate the diameter of the root canal in the buccolingual direction. All data were summarized, and values were assessed statistically by ANOVA and Bonferroni multiple comparisons. The buccolingual (BL) root canal diameters at 1, 2 and 3 mm in the mandibular and maxillary molars were greater than in the mesiodistal (MD), showing statistically significant differences (
p
< 0.05). The MD root thicknesses at 1, 2 and 3 mm in mandibular and maxillary molars were statistically significant (
p
< 0.05). The lowest value to 1 mm from the apex in the mandibular molars was 1.219 mm and the highest at 3 mm from the root apex in maxillary molars was 1.741 mm. The BL diameters in maxillary and mandibular molars were higher than the MD diameter. The thickness (MD) of maxillary and mandibular molars decreased as a function of apical proximity.</description><subject>Accuracy</subject><subject>Anatomy</subject><subject>Anatomy & physiology</subject><subject>Animal Anatomy</subject><subject>Animal Physiology</subject><subject>Cell Biology</subject><subject>Dentin</subject><subject>Histology</subject><subject>Human Physiology</subject><subject>Humans</subject><subject>Medicine</subject><subject>Medicine & Public Health</subject><subject>Microscopy</subject><subject>Molar - anatomy & histology</subject><subject>Morphology</subject><subject>Neurosciences</subject><subject>Original Article</subject><subject>Teeth</subject><subject>Tooth Root - anatomy & histology</subject><issn>1447-6959</issn><issn>1447-073X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1kU1LxDAQhoMorq7-AC9SvHiq5qNJ2uMifsGCFwVvIU1n3a5ts5ukgv_edLsqCB5CMjPPvMPkReiM4CuCsbz2hHLBU0xIPJimZA8dkSyTKZbsdX_3FgUvJujY-xXGpOCEHaIJJRkuOBVHaDPrdLBtbXSTwIdueh1q2yV2kYQlJM7akBjdxWJV6xYCuER31ZgPy9q8d-B9EhsGWq-3MjHvqkGhBV_HeID9NraNdv4EHSx04-F0d0_Ry93t881DOn-6f7yZzVOTURZSA2B4JgopS1pkLGcsM0JTycpcGEryilZSV1xSqEpJQAgjcihzpmUeN5aYTdHlqLt2dtODD6qtvYGm0R3Y3qs855gLQUkkL_6QK9u7uPQASSGEZDxCZISMs947WKi1q1vtPhXBanBDjW6o6IYa3FCD8PlOuC9bqH46vr8_AnQEfCx1b-B-J_-v-gXx4ZTF</recordid><startdate>20110901</startdate><enddate>20110901</enddate><creator>Martos, Josué</creator><creator>Tatsch, Gustavo Henrique</creator><creator>Tatsch, Augusto César</creator><creator>Silveira, Luiz Fernando Machado</creator><creator>Ferrer-Luque, Carmen María</creator><general>Springer Japan</general><general>Springer Nature B.V</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>K9.</scope><scope>7X8</scope></search><sort><creationdate>20110901</creationdate><title>Anatomical evaluation of the root canal diameter and root thickness on the apical third of mesial roots of molars</title><author>Martos, Josué ; Tatsch, Gustavo Henrique ; Tatsch, Augusto César ; Silveira, Luiz Fernando Machado ; Ferrer-Luque, Carmen María</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c423t-ceec546977b29438334c6a273b86c218d2d7ad572edb71e66c68eb83a78695703</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Accuracy</topic><topic>Anatomy</topic><topic>Anatomy & physiology</topic><topic>Animal Anatomy</topic><topic>Animal Physiology</topic><topic>Cell Biology</topic><topic>Dentin</topic><topic>Histology</topic><topic>Human Physiology</topic><topic>Humans</topic><topic>Medicine</topic><topic>Medicine & Public Health</topic><topic>Microscopy</topic><topic>Molar - anatomy & histology</topic><topic>Morphology</topic><topic>Neurosciences</topic><topic>Original Article</topic><topic>Teeth</topic><topic>Tooth Root - anatomy & histology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Martos, Josué</creatorcontrib><creatorcontrib>Tatsch, Gustavo Henrique</creatorcontrib><creatorcontrib>Tatsch, Augusto César</creatorcontrib><creatorcontrib>Silveira, Luiz Fernando Machado</creatorcontrib><creatorcontrib>Ferrer-Luque, Carmen María</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>MEDLINE - Academic</collection><jtitle>Anatomical science international</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Martos, Josué</au><au>Tatsch, Gustavo Henrique</au><au>Tatsch, Augusto César</au><au>Silveira, Luiz Fernando Machado</au><au>Ferrer-Luque, Carmen María</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Anatomical evaluation of the root canal diameter and root thickness on the apical third of mesial roots of molars</atitle><jtitle>Anatomical science international</jtitle><stitle>Anat Sci Int</stitle><addtitle>Anat Sci Int</addtitle><date>2011-09-01</date><risdate>2011</risdate><volume>86</volume><issue>3</issue><spage>146</spage><epage>150</epage><pages>146-150</pages><issn>1447-6959</issn><eissn>1447-073X</eissn><abstract>The purpose was to determine the diameter of the main root canal and wall thickness in the apical dentin in mesial roots of maxillary and mandibular molars. Forty mesiobuccal and mesial root specimens were sectioned horizontally at 1, 2 and 3 mm from the apex, and measured at each top surface by using optical microscopy to an accuracy of ×20 magnification. The anatomical parameters were established as the following points of reference: AB, two points connected by a line from the outer edge of the mesial wall to the outer edge of the distal one through the center of the root canal to measure the thickness of the root and mesiodistal diameter of the root canal (CD). A second line (EF) was designed to evaluate the diameter of the root canal in the buccolingual direction. All data were summarized, and values were assessed statistically by ANOVA and Bonferroni multiple comparisons. The buccolingual (BL) root canal diameters at 1, 2 and 3 mm in the mandibular and maxillary molars were greater than in the mesiodistal (MD), showing statistically significant differences (
p
< 0.05). The MD root thicknesses at 1, 2 and 3 mm in mandibular and maxillary molars were statistically significant (
p
< 0.05). The lowest value to 1 mm from the apex in the mandibular molars was 1.219 mm and the highest at 3 mm from the root apex in maxillary molars was 1.741 mm. The BL diameters in maxillary and mandibular molars were higher than the MD diameter. The thickness (MD) of maxillary and mandibular molars decreased as a function of apical proximity.</abstract><cop>Japan</cop><pub>Springer Japan</pub><pmid>21409526</pmid><doi>10.1007/s12565-011-0102-1</doi><tpages>5</tpages></addata></record> |
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| subjects | Accuracy Anatomy Anatomy & physiology Animal Anatomy Animal Physiology Cell Biology Dentin Histology Human Physiology Humans Medicine Medicine & Public Health Microscopy Molar - anatomy & histology Morphology Neurosciences Original Article Teeth Tooth Root - anatomy & histology |
| title | Anatomical evaluation of the root canal diameter and root thickness on the apical third of mesial roots of molars |
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