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Conference Paper: Virtual models as an alternative approach to plaster model assessment of tooth dimension

TitleVirtual models as an alternative approach to plaster model assessment of tooth dimension
Authors
Issue Date2009
PublisherOxford University Press
Citation
The 85th Congress of the European Orthodontic Society, Helsinki, Finland, 10 – 14 June 2009. In European Journal of Orthodontics, 2009, v. 31 n. 4, p. e66 Abstract no. 161 How to Cite?
AbstractAIM: A case-control study to assess the potential use of virtual models as an alternative to orthodontic plaster models. MATERIALS AND METHOD: Assessment of tooth widths was conducted on 80 plaster models, which were measured to the nearest 0.01 mm with digital callipers, and their virtual models by two trained and calibrated examiners. Agreement of tooth width was assessed with paired t-test analysis. Intra- and interexaminer reliability of assessments were investigated. RESULTS: Both intra- and interexaminer reliability and test-retest reliability of plaster and virtual model analysis were acceptable in measuring tooth sizes. There were no signifi cant differences between measurements of 24 teeth on the plaster and virtual models. The mean directional differences (MDD) were less than 0.20 mm. The MDD for tooth width measurements was less than 0.10 mm. Intraclass correlation coeffi cients of assessments of tooth width obtained from plaster and virtual models were >0.80. CONCLUSIONS: Virtual models can be as accurate as the traditional method of digital callipers and plaster models. Therefore, virtual models can be used as an alternative to plaster models.
Persistent Identifierhttp://hdl.handle.net/10722/94633
ISSN
2015 Impact Factor: 1.44
2015 SCImago Journal Rankings: 1.090

 

DC FieldValueLanguage
dc.contributor.authorHagg, EUOen_HK
dc.contributor.authorKhanoengnit, Ben_HK
dc.contributor.authorLiu, Zen_HK
dc.contributor.authorMcGrath, CPJen_HK
dc.contributor.authorWong, RWKen_HK
dc.date.accessioned2010-09-25T15:37:14Z-
dc.date.available2010-09-25T15:37:14Z-
dc.date.issued2009en_HK
dc.identifier.citationThe 85th Congress of the European Orthodontic Society, Helsinki, Finland, 10 – 14 June 2009. In European Journal of Orthodontics, 2009, v. 31 n. 4, p. e66 Abstract no. 161en_HK
dc.identifier.issn0141-5387-
dc.identifier.urihttp://hdl.handle.net/10722/94633-
dc.description.abstractAIM: A case-control study to assess the potential use of virtual models as an alternative to orthodontic plaster models. MATERIALS AND METHOD: Assessment of tooth widths was conducted on 80 plaster models, which were measured to the nearest 0.01 mm with digital callipers, and their virtual models by two trained and calibrated examiners. Agreement of tooth width was assessed with paired t-test analysis. Intra- and interexaminer reliability of assessments were investigated. RESULTS: Both intra- and interexaminer reliability and test-retest reliability of plaster and virtual model analysis were acceptable in measuring tooth sizes. There were no signifi cant differences between measurements of 24 teeth on the plaster and virtual models. The mean directional differences (MDD) were less than 0.20 mm. The MDD for tooth width measurements was less than 0.10 mm. Intraclass correlation coeffi cients of assessments of tooth width obtained from plaster and virtual models were >0.80. CONCLUSIONS: Virtual models can be as accurate as the traditional method of digital callipers and plaster models. Therefore, virtual models can be used as an alternative to plaster models.-
dc.languageengen_HK
dc.publisherOxford University Press-
dc.relation.ispartofEuropean Journal of Orthodonticsen_HK
dc.titleVirtual models as an alternative approach to plaster model assessment of tooth dimensionen_HK
dc.typeConference_Paperen_HK
dc.identifier.emailHagg, EUO: euohagg@hkusua.hku.hken_HK
dc.identifier.emailMcGrath, CPJ: mcgrathc@HKUCC.hku.hken_HK
dc.identifier.emailWong, RWK: fyoung@hkucc.hku.hken_HK
dc.identifier.authorityHagg, EUO=rp00020en_HK
dc.identifier.authorityMcGrath, CPJ=rp00037en_HK
dc.identifier.authorityWong, RWK=rp00038en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1093/ejo/cjp095-
dc.identifier.hkuros157595en_HK
dc.identifier.spage106en_HK

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