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Article: Determination of the occlusal vertical dimension in edentulous patients using lateral cephalograms

TitleDetermination of the occlusal vertical dimension in edentulous patients using lateral cephalograms
Authors
Keywordscephalometry
complete
denture
edentulous
mouth
vertical dimension
Issue Date2018
PublisherBlackwell Publishing Ltd. The Journal's web site is located at http://ca.wiley.com/WileyCDA/WileyTitle/productCd-JOOR.html
Citation
Journal of Oral Rehabilitation, 2018, v. 45 n. 5, p. 399-405 How to Cite?
AbstractThe determination of the occlusal vertical dimension (OVD) in edentulous patients is based on clinical assessment with high variability. This study tested the hypothesis: The average OVD in edentulous patients with conventional dentures is too low compared to orthodontic norms, when only clinical parameters are used for the determination of the OVD. Edentulous patients with conventional full dentures were enrolled. Clinical parameters were judged by two senior prosthodontists. Digital lateral cephalograms were taken and served to calculate the OVD according to the lower face height angle (ANS-Xi-D) taking tooth-independent facial growth patterns into account. The ANS-Xi-D angle was compared with reference values by applying one-sample mean comparison tests. Thirty-six participants (17 female, 19 male; mean age 65.3 ± 10.6 years) were enrolled in this study. Clinically, the OVD of four dentures was judged too low, in one case too high, and in the other 31 cases as correct. The mean ANS-Xi-D angle was 48.28°±4.86 and statistically not different to the norm value of 49°±4 (n.s.). There was a tendency that the ANS-Xi-D angle was different between participants with different tooth-independent facial growth patterns (ANOVA, P = .0548). Predominantly, clinically sufficient prostheses show adequate ANS-Xi-D angles. Short-face type denture patients are often restored to comply with mesiofacial norms. The determination of the OVD based on lateral cephalography is not recommendable to be a standard diagnostic parameter. Orthodontic norms are derived from dentate cohorts and might not take the continuing facial growth and other confounding factors of edentulous subjects into account.
Persistent Identifierhttp://hdl.handle.net/10722/254866
ISSN
2023 Impact Factor: 3.1
2023 SCImago Journal Rankings: 0.958
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorEnkling, N-
dc.contributor.authorEnkling-Scholl, J-
dc.contributor.authorAlbrecht, D-
dc.contributor.authorBornstein, MM-
dc.contributor.authorSchimmel, M-
dc.date.accessioned2018-06-21T01:07:49Z-
dc.date.available2018-06-21T01:07:49Z-
dc.date.issued2018-
dc.identifier.citationJournal of Oral Rehabilitation, 2018, v. 45 n. 5, p. 399-405-
dc.identifier.issn0305-182X-
dc.identifier.urihttp://hdl.handle.net/10722/254866-
dc.description.abstractThe determination of the occlusal vertical dimension (OVD) in edentulous patients is based on clinical assessment with high variability. This study tested the hypothesis: The average OVD in edentulous patients with conventional dentures is too low compared to orthodontic norms, when only clinical parameters are used for the determination of the OVD. Edentulous patients with conventional full dentures were enrolled. Clinical parameters were judged by two senior prosthodontists. Digital lateral cephalograms were taken and served to calculate the OVD according to the lower face height angle (ANS-Xi-D) taking tooth-independent facial growth patterns into account. The ANS-Xi-D angle was compared with reference values by applying one-sample mean comparison tests. Thirty-six participants (17 female, 19 male; mean age 65.3 ± 10.6 years) were enrolled in this study. Clinically, the OVD of four dentures was judged too low, in one case too high, and in the other 31 cases as correct. The mean ANS-Xi-D angle was 48.28°±4.86 and statistically not different to the norm value of 49°±4 (n.s.). There was a tendency that the ANS-Xi-D angle was different between participants with different tooth-independent facial growth patterns (ANOVA, P = .0548). Predominantly, clinically sufficient prostheses show adequate ANS-Xi-D angles. Short-face type denture patients are often restored to comply with mesiofacial norms. The determination of the OVD based on lateral cephalography is not recommendable to be a standard diagnostic parameter. Orthodontic norms are derived from dentate cohorts and might not take the continuing facial growth and other confounding factors of edentulous subjects into account.-
dc.languageeng-
dc.publisherBlackwell Publishing Ltd. The Journal's web site is located at http://ca.wiley.com/WileyCDA/WileyTitle/productCd-JOOR.html-
dc.relation.ispartofJournal of Oral Rehabilitation-
dc.rightsThe definitive version is available at www.blackwell-synergy.com-
dc.subjectcephalometry-
dc.subjectcomplete-
dc.subjectdenture-
dc.subjectedentulous-
dc.subjectmouth-
dc.subjectvertical dimension-
dc.titleDetermination of the occlusal vertical dimension in edentulous patients using lateral cephalograms-
dc.typeArticle-
dc.identifier.emailBornstein, MM: bornst@hku.hk-
dc.identifier.authorityBornstein, MM=rp02217-
dc.identifier.doi10.1111/joor.12624-
dc.identifier.pmid29573454-
dc.identifier.scopuseid_2-s2.0-85044652489-
dc.identifier.hkuros285424-
dc.identifier.volume45-
dc.identifier.issue5-
dc.identifier.spage399-
dc.identifier.epage405-
dc.identifier.isiWOS:000429557500007-
dc.publisher.placeUnited Kingdom-
dc.identifier.issnl0305-182X-

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