Validity of Intraoral Scans Compared with Plaster Models: An In-Vivo Comparison of Dental Measurements and 3D Surface Analysis
Identifieur interne : 000417 ( Main/Exploration ); précédent : 000416; suivant : 000418Validity of Intraoral Scans Compared with Plaster Models: An In-Vivo Comparison of Dental Measurements and 3D Surface Analysis
Auteurs : Fan Zhang ; Kyung-Jin Suh ; Kyung-Min LeeSource :
- PLoS ONE [ 1932-6203 ] ; 2016.
Abstract
Dental measurements have been commonly taken from plaster dental models obtained from alginate impressions can. Through the use of an intraoral scanner, digital impressions now acquire the information directly from the mouth. The purpose of this study was to determine the validity of the intraoral scans compared to plaster models.
Two types of dental models (intraoral scan and plaster model) of 20 subjects were included in this study. The subjects had impressions taken of their teeth and made as plaster model. In addition, their mouths were scanned with the intraoral scanner and the scans were converted into digital models. Eight transverse and 16 anteroposterior measurements, 24 tooth heights and widths were recorded on the plaster models with a digital caliper and on the intraoral scan with 3D reverse engineering software. For 3D surface analysis, the two models were superimposed by using best-fit algorithm. The average differences between the two models at all points on the surfaces were computed. Paired
There were no significant differences between the plaster models and intraoral scans, except for one measurement of lower intermolar width. The Bland-Altman plots of all measurements showed that differences between the two models were within the limits of agreement. The average surface difference between the two models was within 0.10 mm.
The results of the present study indicate that the intraoral scans are clinically acceptable for diagnosis and treatment planning in dentistry and can be used in place of plaster models.
Url:
DOI: 10.1371/journal.pone.0157713
PubMed: 27304976
PubMed Central: 4909173
Affiliations:
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Validity of Intraoral Scans Compared with Plaster Models: An <italic>In-Vivo</italic> Comparison of Dental Measurements and 3D Surface Analysis</title><author><name sortKey="Zhang, Fan" sort="Zhang, Fan" uniqKey="Zhang F" first="Fan" last="Zhang">Fan Zhang</name><affiliation><nlm:aff id="aff001"></nlm:aff></affiliation></author><author><name sortKey="Suh, Kyung Jin" sort="Suh, Kyung Jin" uniqKey="Suh K" first="Kyung-Jin" last="Suh">Kyung-Jin Suh</name><affiliation><nlm:aff id="aff001"></nlm:aff></affiliation></author><author><name sortKey="Lee, Kyung Min" sort="Lee, Kyung Min" uniqKey="Lee K" first="Kyung-Min" last="Lee">Kyung-Min Lee</name><affiliation><nlm:aff id="aff001"></nlm:aff></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">27304976</idno><idno type="pmc">4909173</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4909173</idno><idno type="RBID">PMC:4909173</idno><idno type="doi">10.1371/journal.pone.0157713</idno><date when="2016">2016</date><idno type="wicri:Area/Pmc/Corpus">000761</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">000761</idno><idno type="wicri:Area/Pmc/Curation">000761</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Curation">000761</idno><idno type="wicri:Area/Pmc/Checkpoint">000370</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Checkpoint">000370</idno><idno type="wicri:Area/Ncbi/Merge">006801</idno><idno type="wicri:Area/Ncbi/Curation">006801</idno><idno type="wicri:Area/Ncbi/Checkpoint">006801</idno><idno type="wicri:Area/Main/Merge">000417</idno><idno type="wicri:Area/Main/Curation">000417</idno><idno type="wicri:Area/Main/Exploration">000417</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Validity of Intraoral Scans Compared with Plaster Models: An <italic>In-Vivo</italic> Comparison of Dental Measurements and 3D Surface Analysis</title><author><name sortKey="Zhang, Fan" sort="Zhang, Fan" uniqKey="Zhang F" first="Fan" last="Zhang">Fan Zhang</name><affiliation><nlm:aff id="aff001"></nlm:aff></affiliation></author><author><name sortKey="Suh, Kyung Jin" sort="Suh, Kyung Jin" uniqKey="Suh K" first="Kyung-Jin" last="Suh">Kyung-Jin Suh</name><affiliation><nlm:aff id="aff001"></nlm:aff></affiliation></author><author><name sortKey="Lee, Kyung Min" sort="Lee, Kyung Min" uniqKey="Lee K" first="Kyung-Min" last="Lee">Kyung-Min Lee</name><affiliation><nlm:aff id="aff001"></nlm:aff></affiliation></author></analytic><series><title level="j">PLoS ONE</title><idno type="eISSN">1932-6203</idno><imprint><date when="2016">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><sec id="sec001"><title>Purpose</title><p>Dental measurements have been commonly taken from plaster dental models obtained from alginate impressions can. Through the use of an intraoral scanner, digital impressions now acquire the information directly from the mouth. The purpose of this study was to determine the validity of the intraoral scans compared to plaster models.</p></sec><sec id="sec002"><title>Materials and Methods</title><p>Two types of dental models (intraoral scan and plaster model) of 20 subjects were included in this study. The subjects had impressions taken of their teeth and made as plaster model. In addition, their mouths were scanned with the intraoral scanner and the scans were converted into digital models. Eight transverse and 16 anteroposterior measurements, 24 tooth heights and widths were recorded on the plaster models with a digital caliper and on the intraoral scan with 3D reverse engineering software. For 3D surface analysis, the two models were superimposed by using best-fit algorithm. The average differences between the two models at all points on the surfaces were computed. Paired <italic>t</italic>-test and Bland-Altman plot were used to determine the validity of measurements from the intraoral scan compared to those from the plaster model.</p></sec><sec id="sec003"><title>Results</title><p>There were no significant differences between the plaster models and intraoral scans, except for one measurement of lower intermolar width. The Bland-Altman plots of all measurements showed that differences between the two models were within the limits of agreement. The average surface difference between the two models was within 0.10 mm.</p></sec><sec id="sec004"><title>Conclusions</title><p>The results of the present study indicate that the intraoral scans are clinically acceptable for diagnosis and treatment planning in dentistry and can be used in place of plaster models.</p></sec></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Seelbach, P" uniqKey="Seelbach P">P Seelbach</name></author><author><name sortKey="Brueckel, C" uniqKey="Brueckel C">C Brueckel</name></author><author><name sortKey="Wostmann, B" uniqKey="Wostmann B">B Wöstmann</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Nedelcu, Rg" uniqKey="Nedelcu R">RG Nedelcu</name></author><author><name sortKey="Persson, As" uniqKey="Persson A">AS Persson</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Anadioti, E" uniqKey="Anadioti E">E 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J" uniqKey="Scott J">J Scott</name></author><author><name sortKey="Ong, D" uniqKey="Ong D">D Ong</name></author><author><name sortKey="Ho, Ct" uniqKey="Ho C">CT Ho</name></author></analytic></biblStruct></listBibl></div1></back></TEI><affiliations><list></list><tree><noCountry><name sortKey="Lee, Kyung Min" sort="Lee, Kyung Min" uniqKey="Lee K" first="Kyung-Min" last="Lee">Kyung-Min Lee</name><name sortKey="Suh, Kyung Jin" sort="Suh, Kyung Jin" uniqKey="Suh K" first="Kyung-Jin" last="Suh">Kyung-Jin Suh</name><name sortKey="Zhang, Fan" sort="Zhang, Fan" uniqKey="Zhang F" first="Fan" last="Zhang">Fan Zhang</name></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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