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Anthropometric analysis of maxillary anterior buccal bone of Korean adults using cone-beam CT

Identifieur interne : 003329 ( Ncbi/Merge ); précédent : 003328; suivant : 003330

Anthropometric analysis of maxillary anterior buccal bone of Korean adults using cone-beam CT

Auteurs : Seung-Lok Lee [Corée du Sud] ; Hee-Jung Kim [Corée du Sud] ; Mee-Kyoung Son [Corée du Sud] ; Chae-Heon Chung [Corée du Sud]

Source :

RBID : PMC:2994701

Abstract

PURPOSE

The aim of this study was to evaluate the thickness of buccal and palatal alveolar bone and buccal bony curvature below root apex in maxillary anterior teeth of Korean adults using Cone-beam CT images.

MATERIALS AND METHODS

The 3D image was reconstructed with dicom file obtained through CBCT from 20 - 39 year old Korean subjects (n = 20). The thickness of buccal and palatal plate, root diameter, the buccal bony curvature angle below root apex and the distance from root apex to the deepest point of buccal bony curvature were measured on maxillary anterior teeth area using OnDemand3D program.

RESULTS

Mean thickness of buccal plate 3 mm below CEJ was 0.68 ± 0.29 mm at central incisor, 0.76 ± 0.59 mm at lateral incisor, and 1.07 ± 0.80 mm at canine. Mean thickness of palatal plate 3 mm below CEJ was 1.53 ± 0.55 mm of central incisor, 1.18 ± 0.66 mm of lateral incisor, 1.42 ± 0.77 mm of canine. Bucco-lingual diameter 3 mm below CEJ was 5.13 ± 0.37 mm of central incisor, 4.58 ± 0.46 mm of lateral incisor, and 5.93 ± 0.47 mm of canine. Buccal bony curvature angle below root apex was 134.7 ± 17.5° at central incisor, 151.0 ± 13.9° at lateral incisor, 153.0 ± 9.5° at canine. Distance between root apex and the deepest point of buccal bony curvature of central incisor was 3.67 ± 1.28 mm at central incisor, 3.90 ± 1.51 mm at lateral incisor, and 5.13 ± 1.70 mm at canine.

CONCLUSION

Within the limitation of this study in Korean adults, the thickness of maxillary anterior buccal plate was very thin within 1mm and the thickness of palatal plate was thick, relatively. The buccal bony curvature below root apex of maxillary central incisor was higher than that of lateral incisor and canine and it seems that the buccal bony plate below root apex of central incisor is most curved.


Url:
DOI: 10.4047/jap.2010.2.3.92
PubMed: 21165276
PubMed Central: 2994701

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PMC:2994701

Le document en format XML

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<title>MATERIALS AND METHODS</title>
<p>The 3D image was reconstructed with dicom file obtained through CBCT from 20 - 39 year old Korean subjects (n = 20). The thickness of buccal and palatal plate, root diameter, the buccal bony curvature angle below root apex and the distance from root apex to the deepest point of buccal bony curvature were measured on maxillary anterior teeth area using OnDemand3D program.</p>
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<p>Within the limitation of this study in Korean adults, the thickness of maxillary anterior buccal plate was very thin within 1mm and the thickness of palatal plate was thick, relatively. The buccal bony curvature below root apex of maxillary central incisor was higher than that of lateral incisor and canine and it seems that the buccal bony plate below root apex of central incisor is most curved.</p>
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<pmc-dir>properties open_access</pmc-dir>
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<journal-meta>
<journal-id journal-id-type="nlm-ta">J Adv Prosthodont</journal-id>
<journal-id journal-id-type="publisher-id">JAP</journal-id>
<journal-title-group>
<journal-title>The Journal of Advanced Prosthodontics</journal-title>
</journal-title-group>
<issn pub-type="ppub">2005-7806</issn>
<issn pub-type="epub">2005-7814</issn>
<publisher>
<publisher-name>The Korean Academy of Prosthodontics</publisher-name>
</publisher>
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<article-id pub-id-type="pmid">21165276</article-id>
<article-id pub-id-type="pmc">2994701</article-id>
<article-id pub-id-type="doi">10.4047/jap.2010.2.3.92</article-id>
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<subject>Original Article</subject>
</subj-group>
</article-categories>
<title-group>
<article-title>Anthropometric analysis of maxillary anterior buccal bone of Korean adults using cone-beam CT</article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname>Lee</surname>
<given-names>Seung-Lok</given-names>
</name>
<degrees>DDS</degrees>
<xref ref-type="aff" rid="A1"></xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Kim</surname>
<given-names>Hee-Jung</given-names>
</name>
<degrees>DDS</degrees>
<degrees>PhD</degrees>
<xref ref-type="aff" rid="A1"></xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Son</surname>
<given-names>Mee-Kyoung</given-names>
</name>
<degrees>DDS</degrees>
<degrees>PhD</degrees>
<xref ref-type="aff" rid="A1"></xref>
</contrib>
<contrib contrib-type="author" corresp="yes">
<name>
<surname>Chung</surname>
<given-names>Chae-Heon</given-names>
</name>
<degrees>DDS</degrees>
<degrees>PhD</degrees>
<xref ref-type="aff" rid="A1"></xref>
</contrib>
</contrib-group>
<aff id="A1">Department of Prosthodontics, College of Dentistry, Chosun University, Gwangju, Korea.</aff>
<author-notes>
<corresp>Corresponding author: Chae-Heon Chung. Department of Prosthodontics, College of Dentistry, Chosun University 375, Seosuk-dong, Dong-gu, Gwangju, 501-759, Korea. Tel. 82 62 220 3820,
<email>jhajung@chosun.ac.kr</email>
</corresp>
</author-notes>
<pub-date pub-type="ppub">
<month>9</month>
<year>2010</year>
</pub-date>
<pub-date pub-type="epub">
<day>30</day>
<month>9</month>
<year>2010</year>
</pub-date>
<volume>2</volume>
<issue>3</issue>
<fpage>92</fpage>
<lpage>96</lpage>
<history>
<date date-type="received">
<day>20</day>
<month>8</month>
<year>2010</year>
</date>
<date date-type="rev-recd">
<day>01</day>
<month>9</month>
<year>2010</year>
</date>
<date date-type="accepted">
<day>10</day>
<month>9</month>
<year>2010</year>
</date>
</history>
<permissions>
<copyright-statement>Copyright © 2010 The Korean Academy of Prosthodontics</copyright-statement>
<copyright-year>2010</copyright-year>
<license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by-nc/3.0">
<license-p>This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (
<ext-link ext-link-type="uri" xlink:href="http://creativecommons.org/licenses/by-nc/3.0">http://creativecommons.org/licenses/by-nc/3.0</ext-link>
) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.</license-p>
</license>
</permissions>
<abstract>
<sec>
<title>PURPOSE</title>
<p>The aim of this study was to evaluate the thickness of buccal and palatal alveolar bone and buccal bony curvature below root apex in maxillary anterior teeth of Korean adults using Cone-beam CT images.</p>
</sec>
<sec>
<title>MATERIALS AND METHODS</title>
<p>The 3D image was reconstructed with dicom file obtained through CBCT from 20 - 39 year old Korean subjects (n = 20). The thickness of buccal and palatal plate, root diameter, the buccal bony curvature angle below root apex and the distance from root apex to the deepest point of buccal bony curvature were measured on maxillary anterior teeth area using OnDemand3D program.</p>
</sec>
<sec>
<title>RESULTS</title>
<p>Mean thickness of buccal plate 3 mm below CEJ was 0.68 ± 0.29 mm at central incisor, 0.76 ± 0.59 mm at lateral incisor, and 1.07 ± 0.80 mm at canine. Mean thickness of palatal plate 3 mm below CEJ was 1.53 ± 0.55 mm of central incisor, 1.18 ± 0.66 mm of lateral incisor, 1.42 ± 0.77 mm of canine. Bucco-lingual diameter 3 mm below CEJ was 5.13 ± 0.37 mm of central incisor, 4.58 ± 0.46 mm of lateral incisor, and 5.93 ± 0.47 mm of canine. Buccal bony curvature angle below root apex was 134.7 ± 17.5° at central incisor, 151.0 ± 13.9° at lateral incisor, 153.0 ± 9.5° at canine. Distance between root apex and the deepest point of buccal bony curvature of central incisor was 3.67 ± 1.28 mm at central incisor, 3.90 ± 1.51 mm at lateral incisor, and 5.13 ± 1.70 mm at canine.</p>
</sec>
<sec>
<title>CONCLUSION</title>
<p>Within the limitation of this study in Korean adults, the thickness of maxillary anterior buccal plate was very thin within 1mm and the thickness of palatal plate was thick, relatively. The buccal bony curvature below root apex of maxillary central incisor was higher than that of lateral incisor and canine and it seems that the buccal bony plate below root apex of central incisor is most curved.</p>
</sec>
</abstract>
<kwd-group>
<kwd>Cone-beam CT</kwd>
<kwd>Maxillary anterior teeth</kwd>
<kwd>Thickness of buccal alveolar bone</kwd>
<kwd>Buccal bony curvature</kwd>
</kwd-group>
</article-meta>
</front>
<floats-group>
<fig id="F1" position="float">
<label>Fig. 1</label>
<caption>
<p>Reference lines and measurement of the thickness of the buccal and palatal alveolar plates of each maxillary anterior tooth.</p>
</caption>
<graphic xlink:href="jap-2-92-g001"></graphic>
</fig>
<fig id="F2" position="float">
<label>Fig. 2</label>
<caption>
<p>Diameter of maxillary anterior teeth on reference line A.</p>
</caption>
<graphic xlink:href="jap-2-92-g002"></graphic>
</fig>
<fig id="F3" position="float">
<label>Fig. 3</label>
<caption>
<p>Buccal bony curvature angle (∠PQR) below root apex of maxillary anterior teeth.</p>
</caption>
<graphic xlink:href="jap-2-92-g003"></graphic>
</fig>
<fig id="F4" position="float">
<label>Fig. 4</label>
<caption>
<p>Distance between root apex and the deepest point (Q) of buccal bony curvature.</p>
</caption>
<graphic xlink:href="jap-2-92-g004"></graphic>
</fig>
<table-wrap id="T1" position="float">
<label>Table 1</label>
<caption>
<p>The mean distance between CEJ and buccal bone crest (unit: mm)</p>
</caption>
<graphic xlink:href="jap-2-92-i001"></graphic>
<table-wrap-foot>
<fn>
<p>
<sup>*</sup>
<italic>P</italic>
> .05, statistically no significant.</p>
</fn>
</table-wrap-foot>
</table-wrap>
<table-wrap id="T2" position="float">
<label>Table 2</label>
<caption>
<p>The mean thickness of buccal plate of maxillary anterior teeth (unit: mm)</p>
</caption>
<graphic xlink:href="jap-2-92-i002"></graphic>
<table-wrap-foot>
<fn>
<p>
<sup>*</sup>
<italic>P</italic>
< .05, statistically significant difference exists. Post-hoc comparison (Scheffé test)</p>
</fn>
</table-wrap-foot>
</table-wrap>
<table-wrap id="T3" position="float">
<label>Table 3</label>
<caption>
<p>The mean thickness of palatal plate of maxillary anterior teeth (unit: mm)</p>
</caption>
<graphic xlink:href="jap-2-92-i003"></graphic>
<table-wrap-foot>
<fn>
<p>
<sup>*</sup>
<italic>P</italic>
< .05, statistically significant difference exists. Post-hoc comparison (Scheffé test)</p>
</fn>
</table-wrap-foot>
</table-wrap>
<table-wrap id="T4" position="float">
<label>Table 4</label>
<caption>
<p>Root diameter of the maxillary anterior teeth (unit: mm)</p>
</caption>
<graphic xlink:href="jap-2-92-i004"></graphic>
<table-wrap-foot>
<fn>
<p>
<sup>*</sup>
<italic>P</italic>
< .05, statistically significant. Post-hoc comparison (Scheffé test).</p>
</fn>
</table-wrap-foot>
</table-wrap>
<table-wrap id="T5" position="float">
<label>Table 5</label>
<caption>
<p>Buccal bony curvature angle (∠PQR) below root apex of maxillary anterior teeth (unit: °)</p>
</caption>
<graphic xlink:href="jap-2-92-i005"></graphic>
<table-wrap-foot>
<fn>
<p>
<sup>*</sup>
<italic>P</italic>
< .05, statistically significant. Post-hoc comparison (Scheffé test).</p>
</fn>
</table-wrap-foot>
</table-wrap>
<table-wrap id="T6" position="float">
<label>Table 6</label>
<caption>
<p>The distance between root apex and the deepest point (Q) of buccal bony curvature (unit: mm)</p>
</caption>
<graphic xlink:href="jap-2-92-i006"></graphic>
<table-wrap-foot>
<fn>
<p>
<sup>*</sup>
<italic>P</italic>
< .05, statistically significant. Post-hoc comparison (Scheffé test).</p>
</fn>
</table-wrap-foot>
</table-wrap>
</floats-group>
</pmc>
<affiliations>
<list>
<country>
<li>Corée du Sud</li>
</country>
</list>
<tree>
<country name="Corée du Sud">
<noRegion>
<name sortKey="Lee, Seung Lok" sort="Lee, Seung Lok" uniqKey="Lee S" first="Seung-Lok" last="Lee">Seung-Lok Lee</name>
</noRegion>
<name sortKey="Chung, Chae Heon" sort="Chung, Chae Heon" uniqKey="Chung C" first="Chae-Heon" last="Chung">Chae-Heon Chung</name>
<name sortKey="Kim, Hee Jung" sort="Kim, Hee Jung" uniqKey="Kim H" first="Hee-Jung" last="Kim">Hee-Jung Kim</name>
<name sortKey="Son, Mee Kyoung" sort="Son, Mee Kyoung" uniqKey="Son M" first="Mee-Kyoung" last="Son">Mee-Kyoung Son</name>
</country>
</tree>
</affiliations>
</record>

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