Influence of different setups of the Frankfort horizontal plane on 3-dimensional cephalometric measurements
The Frankfort horizontal (FH) is a plane that intersects both porions and the left orbitale. However, other combinations of points have also been used to define this plane in 3-dimensional cephalometry. These variations are based on the hypothesis that they do not affect the cephalometric analysis....
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| Veröffentlicht in: | American journal of orthodontics and dentofacial orthopedics 2017-08, Vol.152 (2), p.242-249 |
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| container_title | American journal of orthodontics and dentofacial orthopedics |
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| creator | Santos, Rodrigo Mologni Gonçalves dos De Martino, José Mario Haiter Neto, Francisco Passeri, Luis Augusto |
| description | The Frankfort horizontal (FH) is a plane that intersects both porions and the left orbitale. However, other combinations of points have also been used to define this plane in 3-dimensional cephalometry. These variations are based on the hypothesis that they do not affect the cephalometric analysis. We investigated the validity of this hypothesis.
The material included cone-beam computed tomography data sets of 82 adult subjects with Class I molar relationship. A third-party method of cone-beam computed tomography-based 3-dimensional cephalometry was performed using 7 setups of the FH plane. Six lateral cephalometric hard tissue measurements relative to the FH plane were carried out for each setup. Measurement differences were calculated for each pair of setups of the FH plane. The number of occurrences of differences greater than the limits of agreement was counted for each of the 6 measurements.
Only 3 of 21 pairs of setups had no occurrences for the 6 measurements. No measurement had no occurrences for the 21 pairs of setups. Setups based on left or right porion and both orbitales had the greatest number of occurrences for the 6 measurements.
This investigation showed that significant and undesirable measurement differences can be produced by varying the definition of the FH plane.
•Test method shows that different setups of the FH plane affect the cephalometric analysis.•Replacing the left orbitale by the right one in the FH plane affects the results.•Replacing the right orbitale by the left one in the FH plane affects the results.•Replacing the left porion by the right one in the FH plane affects the results.•Replacing the right porion by the left one in the FH plane affects the results. |
| doi_str_mv | 10.1016/j.ajodo.2016.12.023 |
| format | Article |
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The material included cone-beam computed tomography data sets of 82 adult subjects with Class I molar relationship. A third-party method of cone-beam computed tomography-based 3-dimensional cephalometry was performed using 7 setups of the FH plane. Six lateral cephalometric hard tissue measurements relative to the FH plane were carried out for each setup. Measurement differences were calculated for each pair of setups of the FH plane. The number of occurrences of differences greater than the limits of agreement was counted for each of the 6 measurements.
Only 3 of 21 pairs of setups had no occurrences for the 6 measurements. No measurement had no occurrences for the 21 pairs of setups. Setups based on left or right porion and both orbitales had the greatest number of occurrences for the 6 measurements.
This investigation showed that significant and undesirable measurement differences can be produced by varying the definition of the FH plane.
•Test method shows that different setups of the FH plane affect the cephalometric analysis.•Replacing the left orbitale by the right one in the FH plane affects the results.•Replacing the right orbitale by the left one in the FH plane affects the results.•Replacing the left porion by the right one in the FH plane affects the results.•Replacing the right porion by the left one in the FH plane affects the results.</description><identifier>ISSN: 0889-5406</identifier><identifier>EISSN: 1097-6752</identifier><identifier>DOI: 10.1016/j.ajodo.2016.12.023</identifier><identifier>PMID: 28760286</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>Adolescent ; Adult ; Anatomic Landmarks - diagnostic imaging ; Anatomic Landmarks - pathology ; Cephalometry - methods ; Cone-Beam Computed Tomography - methods ; Dentistry ; Facial Bones - diagnostic imaging ; Facial Bones - pathology ; Female ; Humans ; Imaging, Three-Dimensional - methods ; Male ; Malocclusion, Angle Class I - diagnostic imaging ; Malocclusion, Angle Class I - pathology ; Mandible - diagnostic imaging ; Mandible - pathology ; Radiography, Dental - methods ; Skull - diagnostic imaging ; Skull - pathology ; Young Adult</subject><ispartof>American journal of orthodontics and dentofacial orthopedics, 2017-08, Vol.152 (2), p.242-249</ispartof><rights>2017 American Association of Orthodontists</rights><rights>Copyright © 2017 American Association of Orthodontists. Published by Elsevier Inc. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c359t-2b9a517e550d4effa1aba3b2bc5e7d586cbdc8371c80424d188a90852ff30b4a3</citedby><cites>FETCH-LOGICAL-c359t-2b9a517e550d4effa1aba3b2bc5e7d586cbdc8371c80424d188a90852ff30b4a3</cites><orcidid>0000-0002-7006-1621</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.ajodo.2016.12.023$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>315,781,785,3551,27929,27930,46000</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/28760286$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Santos, Rodrigo Mologni Gonçalves dos</creatorcontrib><creatorcontrib>De Martino, José Mario</creatorcontrib><creatorcontrib>Haiter Neto, Francisco</creatorcontrib><creatorcontrib>Passeri, Luis Augusto</creatorcontrib><title>Influence of different setups of the Frankfort horizontal plane on 3-dimensional cephalometric measurements</title><title>American journal of orthodontics and dentofacial orthopedics</title><addtitle>Am J Orthod Dentofacial Orthop</addtitle><description>The Frankfort horizontal (FH) is a plane that intersects both porions and the left orbitale. However, other combinations of points have also been used to define this plane in 3-dimensional cephalometry. These variations are based on the hypothesis that they do not affect the cephalometric analysis. We investigated the validity of this hypothesis.
The material included cone-beam computed tomography data sets of 82 adult subjects with Class I molar relationship. A third-party method of cone-beam computed tomography-based 3-dimensional cephalometry was performed using 7 setups of the FH plane. Six lateral cephalometric hard tissue measurements relative to the FH plane were carried out for each setup. Measurement differences were calculated for each pair of setups of the FH plane. The number of occurrences of differences greater than the limits of agreement was counted for each of the 6 measurements.
Only 3 of 21 pairs of setups had no occurrences for the 6 measurements. No measurement had no occurrences for the 21 pairs of setups. Setups based on left or right porion and both orbitales had the greatest number of occurrences for the 6 measurements.
This investigation showed that significant and undesirable measurement differences can be produced by varying the definition of the FH plane.
•Test method shows that different setups of the FH plane affect the cephalometric analysis.•Replacing the left orbitale by the right one in the FH plane affects the results.•Replacing the right orbitale by the left one in the FH plane affects the results.•Replacing the left porion by the right one in the FH plane affects the results.•Replacing the right porion by the left one in the FH plane affects the results.</description><subject>Adolescent</subject><subject>Adult</subject><subject>Anatomic Landmarks - diagnostic imaging</subject><subject>Anatomic Landmarks - pathology</subject><subject>Cephalometry - methods</subject><subject>Cone-Beam Computed Tomography - methods</subject><subject>Dentistry</subject><subject>Facial Bones - diagnostic imaging</subject><subject>Facial Bones - pathology</subject><subject>Female</subject><subject>Humans</subject><subject>Imaging, Three-Dimensional - methods</subject><subject>Male</subject><subject>Malocclusion, Angle Class I - diagnostic imaging</subject><subject>Malocclusion, Angle Class I - pathology</subject><subject>Mandible - diagnostic imaging</subject><subject>Mandible - pathology</subject><subject>Radiography, Dental - methods</subject><subject>Skull - diagnostic imaging</subject><subject>Skull - pathology</subject><subject>Young Adult</subject><issn>0889-5406</issn><issn>1097-6752</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kMtO3TAQhq2qCA6UJ6hUZdlNUl_ixFmwqFC5SEhs6Npy7LGOD4kdbKdSefo6PdBlV6OZ-f-5fAh9JrghmHTfDo06BBMaWpKG0AZT9gHtCB76uus5_Yh2WIih5i3uztB5SgeM8dBSfIrOqOg7TEW3Q8_33k4reA1VsJVx1kIEn6sEeV3SVst7qG6i8s82xFztQ3SvwWc1VcukfHH5itXGzeCTC76UNSx7NYUZcnS6mkGlNUJp5_QJnVg1Jbh8ixfo582Pp-u7-uHx9v76-0OtGR9yTcdBcdID59i0YK0ialRspKPm0BsuOj0aLVhPtMAtbQ0RQg1YcGotw2Or2AX6epy7xPCyQspydknDtN0b1iTJQDntGSNtkbKjVMeQUgQrl-hmFX9LguVGWR7kX8pyoywJlYVycX15W7COM5h_nnesRXB1FEB585eDKJN2G2TjIugsTXD_XfAH11-RNg</recordid><startdate>201708</startdate><enddate>201708</enddate><creator>Santos, Rodrigo Mologni Gonçalves dos</creator><creator>De Martino, José Mario</creator><creator>Haiter Neto, Francisco</creator><creator>Passeri, Luis Augusto</creator><general>Elsevier Inc</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>7X8</scope><orcidid>https://orcid.org/0000-0002-7006-1621</orcidid></search><sort><creationdate>201708</creationdate><title>Influence of different setups of the Frankfort horizontal plane on 3-dimensional cephalometric measurements</title><author>Santos, Rodrigo Mologni Gonçalves dos ; De Martino, José Mario ; Haiter Neto, Francisco ; Passeri, Luis Augusto</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c359t-2b9a517e550d4effa1aba3b2bc5e7d586cbdc8371c80424d188a90852ff30b4a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Adolescent</topic><topic>Adult</topic><topic>Anatomic Landmarks - diagnostic imaging</topic><topic>Anatomic Landmarks - pathology</topic><topic>Cephalometry - methods</topic><topic>Cone-Beam Computed Tomography - methods</topic><topic>Dentistry</topic><topic>Facial Bones - diagnostic imaging</topic><topic>Facial Bones - pathology</topic><topic>Female</topic><topic>Humans</topic><topic>Imaging, Three-Dimensional - methods</topic><topic>Male</topic><topic>Malocclusion, Angle Class I - diagnostic imaging</topic><topic>Malocclusion, Angle Class I - pathology</topic><topic>Mandible - diagnostic imaging</topic><topic>Mandible - pathology</topic><topic>Radiography, Dental - methods</topic><topic>Skull - diagnostic imaging</topic><topic>Skull - pathology</topic><topic>Young Adult</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Santos, Rodrigo Mologni Gonçalves dos</creatorcontrib><creatorcontrib>De Martino, José Mario</creatorcontrib><creatorcontrib>Haiter Neto, Francisco</creatorcontrib><creatorcontrib>Passeri, Luis Augusto</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>American journal of orthodontics and dentofacial orthopedics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Santos, Rodrigo Mologni Gonçalves dos</au><au>De Martino, José Mario</au><au>Haiter Neto, Francisco</au><au>Passeri, Luis Augusto</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Influence of different setups of the Frankfort horizontal plane on 3-dimensional cephalometric measurements</atitle><jtitle>American journal of orthodontics and dentofacial orthopedics</jtitle><addtitle>Am J Orthod Dentofacial Orthop</addtitle><date>2017-08</date><risdate>2017</risdate><volume>152</volume><issue>2</issue><spage>242</spage><epage>249</epage><pages>242-249</pages><issn>0889-5406</issn><eissn>1097-6752</eissn><abstract>The Frankfort horizontal (FH) is a plane that intersects both porions and the left orbitale. However, other combinations of points have also been used to define this plane in 3-dimensional cephalometry. These variations are based on the hypothesis that they do not affect the cephalometric analysis. We investigated the validity of this hypothesis.
The material included cone-beam computed tomography data sets of 82 adult subjects with Class I molar relationship. A third-party method of cone-beam computed tomography-based 3-dimensional cephalometry was performed using 7 setups of the FH plane. Six lateral cephalometric hard tissue measurements relative to the FH plane were carried out for each setup. Measurement differences were calculated for each pair of setups of the FH plane. The number of occurrences of differences greater than the limits of agreement was counted for each of the 6 measurements.
Only 3 of 21 pairs of setups had no occurrences for the 6 measurements. No measurement had no occurrences for the 21 pairs of setups. Setups based on left or right porion and both orbitales had the greatest number of occurrences for the 6 measurements.
This investigation showed that significant and undesirable measurement differences can be produced by varying the definition of the FH plane.
•Test method shows that different setups of the FH plane affect the cephalometric analysis.•Replacing the left orbitale by the right one in the FH plane affects the results.•Replacing the right orbitale by the left one in the FH plane affects the results.•Replacing the left porion by the right one in the FH plane affects the results.•Replacing the right porion by the left one in the FH plane affects the results.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>28760286</pmid><doi>10.1016/j.ajodo.2016.12.023</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0002-7006-1621</orcidid></addata></record> |
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| subjects | Adolescent Adult Anatomic Landmarks - diagnostic imaging Anatomic Landmarks - pathology Cephalometry - methods Cone-Beam Computed Tomography - methods Dentistry Facial Bones - diagnostic imaging Facial Bones - pathology Female Humans Imaging, Three-Dimensional - methods Male Malocclusion, Angle Class I - diagnostic imaging Malocclusion, Angle Class I - pathology Mandible - diagnostic imaging Mandible - pathology Radiography, Dental - methods Skull - diagnostic imaging Skull - pathology Young Adult |
| title | Influence of different setups of the Frankfort horizontal plane on 3-dimensional cephalometric measurements |
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