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The effects of location of alveolar crest on the vertical bone heights on panoramic radiographs

Identifieur interne : 002296 ( Pmc/Corpus ); précédent : 002295; suivant : 002297

The effects of location of alveolar crest on the vertical bone heights on panoramic radiographs

Auteurs : S-M Lee ; S-S Lee ; K-H Huh ; W-J Yi ; M-S Heo ; S-C Choi

Source :

Dentomaxillofacial Radiology [ 0250-832X ] ; 2012.

RBID : PMC:3520367

Abstract

Objectives

This study aimed to show that the horizontal relationship between the mandibular canal and the alveolar crest can influence the available bone height (ABH) measurement on panoramic radiographs.

Methods

92 mandibular edentulous sites of panoramic computed radiographs and reformatted CT images of 77 patients were used. Selected CT images were categorized into four types according to the relative location of the peak of the alveolar crest to the mandibular canal. One oral and maxillofacial radiologist measured the ABH twice on both imaging modalities with an interval of 7 days and compared the measurement differences according to the type.

Results

The absolute average value of the differences in measurement between the values of ABHs on panoramic images and CT images was 0.97 mm. Significant difference was found only between the mean values of ABHs for Type 1 (0.60 mm), where the alveolar crest is located in the buccal side or central area with respect to the mandibular canal, and Type 4 (1.46 mm), where the alveolar crest is in the lingual side to the mandibular canal (p < 0.05).

Conclusions

The relative horizontal location of the alveolar crest with respect to the mandibular canal affected the ABH measurement on panoramic radiographs. In particular, ABH is overestimated when there has been resorption of the buccal aspect of the ridge, moving the alveolar crest lingually.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3520367

DOI: 10.1259/dmfr/76750112
PubMed: 22116134
PubMed Central: 3520367

Links to Exploration step

PMC:3520367

Le document en format XML

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<author><name sortKey="Lee, S M" sort="Lee, S M" uniqKey="Lee S" first="S-M" last="Lee">S-M Lee</name>
<affiliation><nlm:aff id="aff1"><addr-line>Department of Advanced General Dentistry, Gachon University, Gil Dental Hospital, Incheon, Republic of Korea</addr-line>
</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Lee, S S" sort="Lee, S S" uniqKey="Lee S" first="S-S" last="Lee">S-S Lee</name>
<affiliation><nlm:aff id="aff2"><addr-line>Department of Oral and Maxillofacial Radiology, BK21 Craniofacial Life Science and Dental Research Institute, Seoul National University, Seoul, Republic of Korea</addr-line>
</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Huh, K H" sort="Huh, K H" uniqKey="Huh K" first="K-H" last="Huh">K-H Huh</name>
<affiliation><nlm:aff id="aff3"><addr-line>Department of Oral and Maxillofacial Radiology and Dental Research Institute, Seoul National University, Seoul, Republic of Korea</addr-line>
</nlm:aff>
</affiliation>
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<author><name sortKey="Yi, W J" sort="Yi, W J" uniqKey="Yi W" first="W-J" last="Yi">W-J Yi</name>
<affiliation><nlm:aff id="aff3"><addr-line>Department of Oral and Maxillofacial Radiology and Dental Research Institute, Seoul National University, Seoul, Republic of Korea</addr-line>
</nlm:aff>
</affiliation>
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<author><name sortKey="Heo, M S" sort="Heo, M S" uniqKey="Heo M" first="M-S" last="Heo">M-S Heo</name>
<affiliation><nlm:aff id="aff3"><addr-line>Department of Oral and Maxillofacial Radiology and Dental Research Institute, Seoul National University, Seoul, Republic of Korea</addr-line>
</nlm:aff>
</affiliation>
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<author><name sortKey="Choi, S C" sort="Choi, S C" uniqKey="Choi S" first="S-C" last="Choi">S-C Choi</name>
<affiliation><nlm:aff id="aff3"><addr-line>Department of Oral and Maxillofacial Radiology and Dental Research Institute, Seoul National University, Seoul, Republic of Korea</addr-line>
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<author><name sortKey="Lee, S M" sort="Lee, S M" uniqKey="Lee S" first="S-M" last="Lee">S-M Lee</name>
<affiliation><nlm:aff id="aff1"><addr-line>Department of Advanced General Dentistry, Gachon University, Gil Dental Hospital, Incheon, Republic of Korea</addr-line>
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<author><name sortKey="Lee, S S" sort="Lee, S S" uniqKey="Lee S" first="S-S" last="Lee">S-S Lee</name>
<affiliation><nlm:aff id="aff2"><addr-line>Department of Oral and Maxillofacial Radiology, BK21 Craniofacial Life Science and Dental Research Institute, Seoul National University, Seoul, Republic of Korea</addr-line>
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<author><name sortKey="Huh, K H" sort="Huh, K H" uniqKey="Huh K" first="K-H" last="Huh">K-H Huh</name>
<affiliation><nlm:aff id="aff3"><addr-line>Department of Oral and Maxillofacial Radiology and Dental Research Institute, Seoul National University, Seoul, Republic of Korea</addr-line>
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</affiliation>
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<author><name sortKey="Yi, W J" sort="Yi, W J" uniqKey="Yi W" first="W-J" last="Yi">W-J Yi</name>
<affiliation><nlm:aff id="aff3"><addr-line>Department of Oral and Maxillofacial Radiology and Dental Research Institute, Seoul National University, Seoul, Republic of Korea</addr-line>
</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Heo, M S" sort="Heo, M S" uniqKey="Heo M" first="M-S" last="Heo">M-S Heo</name>
<affiliation><nlm:aff id="aff3"><addr-line>Department of Oral and Maxillofacial Radiology and Dental Research Institute, Seoul National University, Seoul, Republic of Korea</addr-line>
</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Choi, S C" sort="Choi, S C" uniqKey="Choi S" first="S-C" last="Choi">S-C Choi</name>
<affiliation><nlm:aff id="aff3"><addr-line>Department of Oral and Maxillofacial Radiology and Dental Research Institute, Seoul National University, Seoul, Republic of Korea</addr-line>
</nlm:aff>
</affiliation>
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<series><title level="j">Dentomaxillofacial Radiology</title>
<idno type="ISSN">0250-832X</idno>
<idno type="eISSN">1476-542X</idno>
<imprint><date when="2012">2012</date>
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<front><div type="abstract" xml:lang="en"><sec><title>Objectives</title>
<p>This study aimed to show that the horizontal relationship between the mandibular canal and the alveolar crest can influence the available bone height (ABH) measurement on panoramic radiographs.</p>
</sec>
<sec><title>Methods</title>
<p>92 mandibular edentulous sites of panoramic computed radiographs and reformatted CT images of 77 patients were used. Selected CT images were categorized into four types according to the relative location of the peak of the alveolar crest to the mandibular canal. One oral and maxillofacial radiologist measured the ABH twice on both imaging modalities with an interval of 7 days and compared the measurement differences according to the type.</p>
</sec>
<sec><title>Results</title>
<p>The absolute average value of the differences in measurement between the values of ABHs on panoramic images and CT images was 0.97 mm. Significant difference was found only between the mean values of ABHs for Type 1 (0.60 mm), where the alveolar crest is located in the buccal side or central area with respect to the mandibular canal, and Type 4 (1.46 mm), where the alveolar crest is in the lingual side to the mandibular canal (<italic>p</italic>
 < 0.05).</p>
</sec>
<sec><title>Conclusions</title>
<p>The relative horizontal location of the alveolar crest with respect to the mandibular canal affected the ABH measurement on panoramic radiographs. In particular, ABH is overestimated when there has been resorption of the buccal aspect of the ridge, moving the alveolar crest lingually.</p>
</sec>
</div>
</front>
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<pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
  <front><journal-meta><journal-id journal-id-type="nlm-ta">Dentomaxillofac Radiol</journal-id>
<journal-id journal-id-type="iso-abbrev">Dentomaxillofac Radiol</journal-id>
<journal-id journal-id-type="hwp">dmfr</journal-id>
<journal-id journal-id-type="publisher-id">dmf</journal-id>
<journal-title-group><journal-title>Dentomaxillofacial Radiology</journal-title>
</journal-title-group>
<issn pub-type="ppub">0250-832X</issn>
<issn pub-type="epub">1476-542X</issn>
<publisher><publisher-name>The British Institute of Radiology.</publisher-name>
<publisher-loc>36 Portland Place, London, W1B 1AT</publisher-loc>
</publisher>
</journal-meta>
<article-meta><article-id pub-id-type="pmid">22116134</article-id>
<article-id pub-id-type="pmc">3520367</article-id>
<article-id pub-id-type="publisher-id">D10215</article-id>
<article-id pub-id-type="doi">10.1259/dmfr/76750112</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Research</subject>
</subj-group>
</article-categories>
<title-group><article-title>The effects of location of alveolar crest on the vertical bone heights on panoramic radiographs</article-title>
<alt-title alt-title-type="running-head">Alveolar crest and vertical bone height</alt-title>
</title-group>
<contrib-group><contrib contrib-type="author"><name><surname>Lee</surname>
<given-names>S-M</given-names>
</name>
<xref ref-type="aff" rid="aff1">1</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Lee</surname>
<given-names>S-S</given-names>
</name>
<xref ref-type="corresp" rid="cor1">*</xref>
<xref ref-type="aff" rid="aff2">2</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Huh</surname>
<given-names>K-H</given-names>
</name>
<xref ref-type="aff" rid="aff3">3</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Yi</surname>
<given-names>W-J</given-names>
</name>
<xref ref-type="aff" rid="aff3">3</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Heo</surname>
<given-names>M-S</given-names>
</name>
<xref ref-type="aff" rid="aff3">3</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Choi</surname>
<given-names>S-C</given-names>
</name>
<xref ref-type="aff" rid="aff3">3</xref>
</contrib>
</contrib-group>
<aff id="aff1"><label>1</label>
<addr-line>Department of Advanced General Dentistry, Gachon University, Gil Dental Hospital, Incheon, Republic of Korea</addr-line>
</aff>
<aff id="aff2"><label>2</label>
<addr-line>Department of Oral and Maxillofacial Radiology, BK21 Craniofacial Life Science and Dental Research Institute, Seoul National University, Seoul, Republic of Korea</addr-line>
</aff>
<aff id="aff3"><label>3</label>
<addr-line>Department of Oral and Maxillofacial Radiology and Dental Research Institute, Seoul National University, Seoul, Republic of Korea</addr-line>
</aff>
<author-notes><corresp id="cor1">Dr Sam-Sun Lee, Department of Oral and Maxillofacial Radiology, School of Dentistry, Seoul National University, 28 Yeongeon-dong, Jongno-gu, Seoul 110-749, Republic of Korea. E-mail: <email>raylee@snu.ac.kr</email>
</corresp>
</author-notes>
<pub-date pub-type="ppub"><month>2</month>
<year>2012</year>
</pub-date>
<volume>41</volume>
<issue>2</issue>
<fpage>117</fpage>
<lpage>121</lpage>
<history><date date-type="received"><day>20</day>
<month>7</month>
<year>2010</year>
</date>
<date date-type="rev-recd"><day>9</day>
<month>12</month>
<year>2010</year>
</date>
<date date-type="accepted"><day>21</day>
<month>12</month>
<year>2010</year>
</date>
</history>
<permissions><copyright-statement>© 2012 The British Institute of Radiology</copyright-statement>
<copyright-year>2012</copyright-year>
</permissions>
<abstract><sec><title>Objectives</title>
<p>This study aimed to show that the horizontal relationship between the mandibular canal and the alveolar crest can influence the available bone height (ABH) measurement on panoramic radiographs.</p>
</sec>
<sec><title>Methods</title>
<p>92 mandibular edentulous sites of panoramic computed radiographs and reformatted CT images of 77 patients were used. Selected CT images were categorized into four types according to the relative location of the peak of the alveolar crest to the mandibular canal. One oral and maxillofacial radiologist measured the ABH twice on both imaging modalities with an interval of 7 days and compared the measurement differences according to the type.</p>
</sec>
<sec><title>Results</title>
<p>The absolute average value of the differences in measurement between the values of ABHs on panoramic images and CT images was 0.97 mm. Significant difference was found only between the mean values of ABHs for Type 1 (0.60 mm), where the alveolar crest is located in the buccal side or central area with respect to the mandibular canal, and Type 4 (1.46 mm), where the alveolar crest is in the lingual side to the mandibular canal (<italic>p</italic>
 < 0.05).</p>
</sec>
<sec><title>Conclusions</title>
<p>The relative horizontal location of the alveolar crest with respect to the mandibular canal affected the ABH measurement on panoramic radiographs. In particular, ABH is overestimated when there has been resorption of the buccal aspect of the ridge, moving the alveolar crest lingually.</p>
</sec>
</abstract>
<kwd-group><kwd>panoramic radiography</kwd>
<kwd>inferior alveolar nerve</kwd>
<kwd>alveolar ridge</kwd>
<kwd>X-ray computed tomography</kwd>
</kwd-group>
</article-meta>
</front>
</pmc>
</record>

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The effects of location of alveolar crest on the vertical bone heights on panoramic radiographs

The effects of location of alveolar crest on the vertical bone heights on panoramic radiographs

Source :

Abstract

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