Anterior maxilla alveolar ridge dimension and morphology measurement by cone beam computerized tomography (CBCT) for immediate implant treatment planning
Identifieur interne : 000B92 ( Pmc/Curation ); précédent : 000B91; suivant : 000B93Anterior maxilla alveolar ridge dimension and morphology measurement by cone beam computerized tomography (CBCT) for immediate implant treatment planning
Auteurs : Wenjian Zhang [États-Unis] ; Adam Skrypczak [États-Unis] ; Robin Weltman [États-Unis]Source :
- BMC Oral Health [ 1472-6831 ] ; 2015.
Abstract
Implants have been widely used to restore missing teeth. Limited information on applied anatomy at the anterior maxilla compromises the clinical outcome for implant placement in this region. In the current study, Cone Beam Computerized Tomography (CBCT) was used to measure alveolar ridge and buccal undercut dimension at the anterior maxilla to help develop treatment planning for immediate implant placement.
CBCT scans were screened to include 51 subjects with full dentition at right maxilla. Measurements were taken at the cross sectional views in the middle of the maxillary right central incisor, lateral incisor, and canine regions. Alveolar height was measured from the alveolar crest to floor of nasal fossa. Alveolar width was measured from the buccal to palatal cortical plate at the coronal, middle, and apical third of the distance from the alveolar crest to floor of the nasal fossa. Buccal undercut location was measured from where the buccal cortical plate started dipping to a line extending at the alveolar crest that was perpendicular to the long axis of the alveolar ridge. The buccal undercut depth was measured from the deepest point of the undercut at the buccal plate to a line tangent to the buccal plate paralleling the long axis of ridge.
Alveolar width increased from coronal to apical direction for each tooth. Mean alveolar widths (mm) were: central incisor, 9.55; lateral incisor, 8.30; canine, 9.62. The lateral incisor had a significantly smaller alveolar width than the other anterior teeth. No significant difference in ridge height was noted among the teeth. Undercut locations from the alveolar crest (mm) were: central incisor, 5.84; lateral incisor, 3.59; canine, 5.11. Undercut depths (mm) were: central incisor, 0.76; lateral incisor, 0.87; canine, 0.73. The percentages of teeth with buccal undercuts were: central incisor, 41 %, lateral incisor, 77 %, and canine 33 %. Male demonstrate significant larger ridge width compared with females for all three teeth.
At anterior maxilla, the lateral incisor has the thinnest alveolar bone, and most frequently exhibits a buccal undercut which is the closest to alveolar ridge compared with other maxillary anterior teeth.
Url:
DOI: 10.1186/s12903-015-0055-1
PubMed: 26059796
PubMed Central: 4460662
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Anterior maxilla alveolar ridge dimension and morphology measurement by cone beam computerized tomography (CBCT) for immediate implant treatment planning</title><author><name sortKey="Zhang, Wenjian" sort="Zhang, Wenjian" uniqKey="Zhang W" first="Wenjian" last="Zhang">Wenjian Zhang</name><affiliation wicri:level="2"><nlm:aff id="Aff1">Department of Diagnostic and Biomedical Sciences, The University of Texas School of Dentistry at Houston, 7500 Cambridge Street, Houston, TX 77054 USA</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Texas</region></placeName><wicri:cityArea>Department of Diagnostic and Biomedical Sciences, The University of Texas School of Dentistry at Houston, 7500 Cambridge Street, Houston</wicri:cityArea></affiliation></author><author><name sortKey="Skrypczak, Adam" sort="Skrypczak, Adam" uniqKey="Skrypczak A" first="Adam" last="Skrypczak">Adam Skrypczak</name><affiliation wicri:level="2"><nlm:aff id="Aff2">Junior Dental Student, The University of Texas School of Dentistry at Houston, 7500 Cambridge Street, Houston, TX 77054 USA</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Texas</region></placeName><wicri:cityArea>Junior Dental Student, The University of Texas School of Dentistry at Houston, 7500 Cambridge Street, Houston</wicri:cityArea></affiliation></author><author><name sortKey="Weltman, Robin" sort="Weltman, Robin" uniqKey="Weltman R" first="Robin" last="Weltman">Robin Weltman</name><affiliation wicri:level="2"><nlm:aff id="Aff3">Department of Periodontics and Dental Hygiene, The University of Texas School of Dentistry at Houston, 7500 Cambridge Street, Houston, TX 77054 USA</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Texas</region></placeName><wicri:cityArea>Department of Periodontics and Dental Hygiene, The University of Texas School of Dentistry at Houston, 7500 Cambridge Street, Houston</wicri:cityArea></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">26059796</idno><idno type="pmc">4460662</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4460662</idno><idno type="RBID">PMC:4460662</idno><idno type="doi">10.1186/s12903-015-0055-1</idno><date when="2015">2015</date><idno type="wicri:Area/Pmc/Corpus">000B92</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">000B92</idno><idno type="wicri:Area/Pmc/Curation">000B92</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Curation">000B92</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Anterior maxilla alveolar ridge dimension and morphology measurement by cone beam computerized tomography (CBCT) for immediate implant treatment planning</title><author><name sortKey="Zhang, Wenjian" sort="Zhang, Wenjian" uniqKey="Zhang W" first="Wenjian" last="Zhang">Wenjian Zhang</name><affiliation wicri:level="2"><nlm:aff id="Aff1">Department of Diagnostic and Biomedical Sciences, The University of Texas School of Dentistry at Houston, 7500 Cambridge Street, Houston, TX 77054 USA</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Texas</region></placeName><wicri:cityArea>Department of Diagnostic and Biomedical Sciences, The University of Texas School of Dentistry at Houston, 7500 Cambridge Street, Houston</wicri:cityArea></affiliation></author><author><name sortKey="Skrypczak, Adam" sort="Skrypczak, Adam" uniqKey="Skrypczak A" first="Adam" last="Skrypczak">Adam Skrypczak</name><affiliation wicri:level="2"><nlm:aff id="Aff2">Junior Dental Student, The University of Texas School of Dentistry at Houston, 7500 Cambridge Street, Houston, TX 77054 USA</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Texas</region></placeName><wicri:cityArea>Junior Dental Student, The University of Texas School of Dentistry at Houston, 7500 Cambridge Street, Houston</wicri:cityArea></affiliation></author><author><name sortKey="Weltman, Robin" sort="Weltman, Robin" uniqKey="Weltman R" first="Robin" last="Weltman">Robin Weltman</name><affiliation wicri:level="2"><nlm:aff id="Aff3">Department of Periodontics and Dental Hygiene, The University of Texas School of Dentistry at Houston, 7500 Cambridge Street, Houston, TX 77054 USA</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Texas</region></placeName><wicri:cityArea>Department of Periodontics and Dental Hygiene, The University of Texas School of Dentistry at Houston, 7500 Cambridge Street, Houston</wicri:cityArea></affiliation></author></analytic><series><title level="j">BMC Oral Health</title><idno type="eISSN">1472-6831</idno><imprint><date when="2015">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><sec><title>Background</title><p>Implants have been widely used to restore missing teeth. Limited information on applied anatomy at the anterior maxilla compromises the clinical outcome for implant placement in this region. In the current study, Cone Beam Computerized Tomography (CBCT) was used to measure alveolar ridge and buccal undercut dimension at the anterior maxilla to help develop treatment planning for immediate implant placement.</p></sec><sec><title>Methods</title><p>CBCT scans were screened to include 51 subjects with full dentition at right maxilla. Measurements were taken at the cross sectional views in the middle of the maxillary right central incisor, lateral incisor, and canine regions. Alveolar height was measured from the alveolar crest to floor of nasal fossa. Alveolar width was measured from the buccal to palatal cortical plate at the coronal, middle, and apical third of the distance from the alveolar crest to floor of the nasal fossa. Buccal undercut location was measured from where the buccal cortical plate started dipping to a line extending at the alveolar crest that was perpendicular to the long axis of the alveolar ridge. The buccal undercut depth was measured from the deepest point of the undercut at the buccal plate to a line tangent to the buccal plate paralleling the long axis of ridge.</p></sec><sec><title>Results</title><p>Alveolar width increased from coronal to apical direction for each tooth. Mean alveolar widths (mm) were: central incisor, 9.55; lateral incisor, 8.30; canine, 9.62. The lateral incisor had a significantly smaller alveolar width than the other anterior teeth. No significant difference in ridge height was noted among the teeth. Undercut locations from the alveolar crest (mm) were: central incisor, 5.84; lateral incisor, 3.59; canine, 5.11. Undercut depths (mm) were: central incisor, 0.76; lateral incisor, 0.87; canine, 0.73. The percentages of teeth with buccal undercuts were: central incisor, 41 %, lateral incisor, 77 %, and canine 33 %. Male demonstrate significant larger ridge width compared with females for all three teeth.</p></sec><sec><title>Conclusions</title><p>At anterior maxilla, the lateral incisor has the thinnest alveolar bone, and most frequently exhibits a buccal undercut which is the closest to alveolar ridge compared with other maxillary anterior teeth.</p></sec></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Karoussis, Ik" uniqKey="Karoussis I">IK Karoussis</name></author><author><name sortKey="Salvi, Ge" uniqKey="Salvi G">GE Salvi</name></author><author><name sortKey="Heitz Mayfield, Lj" uniqKey="Heitz Mayfield L">LJ Heitz-Mayfield</name></author><author><name sortKey="Bragger, U" uniqKey="Bragger U">U Bragger</name></author><author><name sortKey="Hammerle, Ch" uniqKey="Hammerle C">CH Hammerle</name></author><author><name sortKey="Lang, Np" uniqKey="Lang N">NP Lang</name></author></analytic></biblStruct><biblStruct><analytic><author><name 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article-type="research-article"><pmc-dir>properties open_access</pmc-dir>
<front><journal-meta><journal-id journal-id-type="nlm-ta">BMC Oral Health</journal-id><journal-id journal-id-type="iso-abbrev">BMC Oral Health</journal-id><journal-title-group><journal-title>BMC Oral Health</journal-title></journal-title-group><issn pub-type="epub">1472-6831</issn><publisher><publisher-name>BioMed Central</publisher-name><publisher-loc>London</publisher-loc></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">26059796</article-id><article-id pub-id-type="pmc">4460662</article-id><article-id pub-id-type="publisher-id">55</article-id><article-id pub-id-type="doi">10.1186/s12903-015-0055-1</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title>Anterior maxilla alveolar ridge dimension and morphology measurement by cone beam computerized tomography (CBCT) for immediate implant treatment planning</article-title></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name><surname>Zhang</surname><given-names>Wenjian</given-names></name><address><phone>713 486 4154</phone><email>Wenjian.Zhang@uth.tmc.edu</email></address><xref ref-type="aff" rid="Aff1">1</xref></contrib><contrib contrib-type="author"><name><surname>Skrypczak</surname><given-names>Adam</given-names></name><address><email>Adam.M.Skrypczak@uth.tmc.edu</email></address><xref ref-type="aff" rid="Aff2">2</xref></contrib><contrib contrib-type="author"><name><surname>Weltman</surname><given-names>Robin</given-names></name><address><email>Robin.L.Weltman@uth.tmc.edu</email></address><xref ref-type="aff" rid="Aff3">3</xref></contrib><aff id="Aff1"><label>1</label>Department of Diagnostic and Biomedical Sciences, The University of Texas School of Dentistry at Houston, 7500 Cambridge Street, Houston, TX 77054 USA</aff><aff id="Aff2"><label>2</label>Junior Dental Student, The University of Texas School of Dentistry at Houston, 7500 Cambridge Street, Houston, TX 77054 USA</aff><aff id="Aff3"><label>3</label>Department of Periodontics and Dental Hygiene, The University of Texas School of Dentistry at Houston, 7500 Cambridge Street, Houston, TX 77054 USA</aff></contrib-group><pub-date pub-type="epub"><day>10</day><month>6</month><year>2015</year></pub-date><pub-date pub-type="pmc-release"><day>10</day><month>6</month><year>2015</year></pub-date><pub-date pub-type="collection"><year>2015</year></pub-date><volume>15</volume><elocation-id>65</elocation-id><history><date date-type="received"><day>2</day><month>3</month><year>2015</year></date><date date-type="accepted"><day>3</day><month>6</month><year>2015</year></date></history><permissions><copyright-statement>© Zhang et al. 2015</copyright-statement><license license-type="open-access"><license-p>This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (<ext-link ext-link-type="uri" xlink:href="http://creativecommons.org/licenses/by/4.0">http://creativecommons.org/licenses/by/4.0</ext-link>), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (<ext-link ext-link-type="uri" xlink:href="http://creativecommons.org/publicdomain/zero/1.0/">http://creativecommons.org/publicdomain/zero/1.0/</ext-link>) applies to the data made available in this article, unless otherwise stated.</license-p></license></permissions><abstract id="Abs1"><sec><title>Background</title><p>Implants have been widely used to restore missing teeth. Limited information on applied anatomy at the anterior maxilla compromises the clinical outcome for implant placement in this region. In the current study, Cone Beam Computerized Tomography (CBCT) was used to measure alveolar ridge and buccal undercut dimension at the anterior maxilla to help develop treatment planning for immediate implant placement.</p></sec><sec><title>Methods</title><p>CBCT scans were screened to include 51 subjects with full dentition at right maxilla. Measurements were taken at the cross sectional views in the middle of the maxillary right central incisor, lateral incisor, and canine regions. Alveolar height was measured from the alveolar crest to floor of nasal fossa. Alveolar width was measured from the buccal to palatal cortical plate at the coronal, middle, and apical third of the distance from the alveolar crest to floor of the nasal fossa. Buccal undercut location was measured from where the buccal cortical plate started dipping to a line extending at the alveolar crest that was perpendicular to the long axis of the alveolar ridge. The buccal undercut depth was measured from the deepest point of the undercut at the buccal plate to a line tangent to the buccal plate paralleling the long axis of ridge.</p></sec><sec><title>Results</title><p>Alveolar width increased from coronal to apical direction for each tooth. Mean alveolar widths (mm) were: central incisor, 9.55; lateral incisor, 8.30; canine, 9.62. The lateral incisor had a significantly smaller alveolar width than the other anterior teeth. No significant difference in ridge height was noted among the teeth. Undercut locations from the alveolar crest (mm) were: central incisor, 5.84; lateral incisor, 3.59; canine, 5.11. Undercut depths (mm) were: central incisor, 0.76; lateral incisor, 0.87; canine, 0.73. The percentages of teeth with buccal undercuts were: central incisor, 41 %, lateral incisor, 77 %, and canine 33 %. Male demonstrate significant larger ridge width compared with females for all three teeth.</p></sec><sec><title>Conclusions</title><p>At anterior maxilla, the lateral incisor has the thinnest alveolar bone, and most frequently exhibits a buccal undercut which is the closest to alveolar ridge compared with other maxillary anterior teeth.</p></sec></abstract><kwd-group xml:lang="en"><title>Keywords</title><kwd>Anterior maxilla</kwd><kwd>CBCT</kwd><kwd>Alveolar ridge</kwd><kwd>Buccal undercut</kwd><kwd>Implant</kwd></kwd-group><custom-meta-group><custom-meta><meta-name>issue-copyright-statement</meta-name><meta-value>© The Author(s) 2015</meta-value></custom-meta></custom-meta-group></article-meta></front></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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