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Article: A clinical technique for virtual articulator mounting with natural head position by using calibrated stereophotogrammetry

TitleA clinical technique for virtual articulator mounting with natural head position by using calibrated stereophotogrammetry
Authors
Issue Date2018
PublisherMosby, Inc. The Journal's web site is located at http://www.elsevier.com/locate/prosdent
Citation
Journal of Prosthetic Dentistry, 2018, v. 119 n. 6, p. 902-908 How to Cite?
AbstractAccurate articulator-mounted casts are essential for occlusion analysis and for fabrication of dental prostheses. Although the axis orbital plane has been commonly used as the reference horizontal plane, some clinicians prefer to register the horizontal plane with a spirit level when the patient is in the natural head position (NHP) to avoid anatomic landmark variations. This article presents a digital workflow for registering the patient's horizontal plane in NHP on a virtual articulator. An orientation reference board is used to calibrate a stereophotogrammetry device and a 3-dimensional facial photograph with the patient in NHP. The horizontal plane can then be automatically registered to the patient's virtual model and aligned to the virtual articulator at the transverse horizontal axis level. This technique showed good repeatability with positional differences of less than 1 degree and 1 mm in 5 repeated measurements in 1 patient.
Persistent Identifierhttp://hdl.handle.net/10722/259135
ISSN
2017 Impact Factor: 2.347
2015 SCImago Journal Rankings: 0.507
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLam, YHW-
dc.contributor.authorHsung, TC-
dc.contributor.authorChoi, WWS-
dc.contributor.authorLuk, WK-
dc.contributor.authorCheng, YY-
dc.contributor.authorPow, EHN-
dc.date.accessioned2018-09-03T04:02:02Z-
dc.date.available2018-09-03T04:02:02Z-
dc.date.issued2018-
dc.identifier.citationJournal of Prosthetic Dentistry, 2018, v. 119 n. 6, p. 902-908-
dc.identifier.issn0022-3913-
dc.identifier.urihttp://hdl.handle.net/10722/259135-
dc.description.abstractAccurate articulator-mounted casts are essential for occlusion analysis and for fabrication of dental prostheses. Although the axis orbital plane has been commonly used as the reference horizontal plane, some clinicians prefer to register the horizontal plane with a spirit level when the patient is in the natural head position (NHP) to avoid anatomic landmark variations. This article presents a digital workflow for registering the patient's horizontal plane in NHP on a virtual articulator. An orientation reference board is used to calibrate a stereophotogrammetry device and a 3-dimensional facial photograph with the patient in NHP. The horizontal plane can then be automatically registered to the patient's virtual model and aligned to the virtual articulator at the transverse horizontal axis level. This technique showed good repeatability with positional differences of less than 1 degree and 1 mm in 5 repeated measurements in 1 patient.-
dc.languageeng-
dc.publisherMosby, Inc. The Journal's web site is located at http://www.elsevier.com/locate/prosdent-
dc.relation.ispartofJournal of Prosthetic Dentistry-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.titleA clinical technique for virtual articulator mounting with natural head position by using calibrated stereophotogrammetry-
dc.typeArticle-
dc.identifier.emailLam, YHW: retlaw@hku.hk-
dc.identifier.emailHsung, TC: tchsung@hku.hk-
dc.identifier.emailChoi, WWS: drwchoi@hku.hk-
dc.identifier.emailLuk, WK: wkluka@hkucc.hku.hk-
dc.identifier.emailCheng, YY: yycheng@hku.hk-
dc.identifier.emailPow, EHN: ehnpow@hku.hk-
dc.identifier.authorityLam, YHW=rp02183-
dc.identifier.authorityChoi, WWS=rp01521-
dc.identifier.authorityLuk, WK=rp00008-
dc.identifier.authorityCheng, YY=rp01989-
dc.identifier.authorityPow, EHN=rp00030-
dc.description.naturepostprint-
dc.identifier.doi10.1016/j.prosdent.2017.07.026-
dc.identifier.pmid28969919-
dc.identifier.scopuseid_2-s2.0-85030477144-
dc.identifier.hkuros288017-
dc.identifier.volume119-
dc.identifier.issue6-
dc.identifier.spage902-
dc.identifier.epage908-
dc.identifier.isiWOS:000439254200008-
dc.publisher.placeUnited States-

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