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Article: Bone dimensional variations at implants placed in fresh extraction sockets: A multilevel multivariate analysis

TitleBone dimensional variations at implants placed in fresh extraction sockets: A multilevel multivariate analysis
Authors
Issue Date2010
PublisherWiley-Blackwell Publishing, Inc.. The Journal's web site is located at http://www.blackwellpublishing.com/journals/CLR
Citation
Clinical Oral Implants Research, 2010, v. 21 n. 1, p. 30-36 How to Cite?
AbstractAim: To use multilevel, multivariate models to analyze factors that may affect bone alterations during healing after an implant immediately placed into an extraction socket. Material and methods: Data included in the current analysis were obtained from a clinical trial in which a series of measurements were performed to characterize the extraction site immediately after implant installation and at re-entry 4 months later. A regression multilevel, multivariate model was built to analyze factors affecting the following variables: (i) the distance between the implant surface and the outer bony crest (S-OC), (ii) the horizontal residual gap (S-IC), (iii) the vertical residual gap (R-D) and (iv) the vertical position of the bone crest opposite the implant (R-C). Results: It was demonstrated that (i) the S-OC change was significantly affected by the thickness of the bone crest; (ii) the size of the residual gap was dependent of the size of the initial gap and the thickness of the bone crest; and (iii) the reduction of the buccal vertical gap was dependent on the age of the subject. Moreover, the position of the implant opposite the alveolar crest of the buccal ridge and its bucco-lingual implant position influenced the amount of buccal crest resorption. Conclusions: Clinicians must consider the thickness of the buccal bony wall in the extraction site and the vertical as well as the horizontal positioning of the implant in the socket, because these factors will influence hard tissue changes during healing. © 2009 John Wiley & Sons A/S.
Persistent Identifierhttp://hdl.handle.net/10722/66545
ISSN
2015 Impact Factor: 3.464
2015 SCImago Journal Rankings: 1.427
ISI Accession Number ID
Funding AgencyGrant Number
AstraTech AS, Molndal, Sweden
Funding Information:

The study has been supported by research grant from AstraTech AS, Molndal, Sweden. The authors want to acknowledge the diligent support regarding study monitoring and data management provided by Ann-Sofie Andresson and Frederick Cedar at the AstraTech.

References

 

DC FieldValueLanguage
dc.contributor.authorTomasi, Cen_HK
dc.contributor.authorSanz, Men_HK
dc.contributor.authorCecchinato, Den_HK
dc.contributor.authorPjetursson, Ben_HK
dc.contributor.authorFerrus, Jen_HK
dc.contributor.authorLang, NPen_HK
dc.contributor.authorLindhe, Jen_HK
dc.date.accessioned2010-09-06T05:47:15Z-
dc.date.available2010-09-06T05:47:15Z-
dc.date.issued2010en_HK
dc.identifier.citationClinical Oral Implants Research, 2010, v. 21 n. 1, p. 30-36en_HK
dc.identifier.issn0905-7161en_HK
dc.identifier.urihttp://hdl.handle.net/10722/66545-
dc.description.abstractAim: To use multilevel, multivariate models to analyze factors that may affect bone alterations during healing after an implant immediately placed into an extraction socket. Material and methods: Data included in the current analysis were obtained from a clinical trial in which a series of measurements were performed to characterize the extraction site immediately after implant installation and at re-entry 4 months later. A regression multilevel, multivariate model was built to analyze factors affecting the following variables: (i) the distance between the implant surface and the outer bony crest (S-OC), (ii) the horizontal residual gap (S-IC), (iii) the vertical residual gap (R-D) and (iv) the vertical position of the bone crest opposite the implant (R-C). Results: It was demonstrated that (i) the S-OC change was significantly affected by the thickness of the bone crest; (ii) the size of the residual gap was dependent of the size of the initial gap and the thickness of the bone crest; and (iii) the reduction of the buccal vertical gap was dependent on the age of the subject. Moreover, the position of the implant opposite the alveolar crest of the buccal ridge and its bucco-lingual implant position influenced the amount of buccal crest resorption. Conclusions: Clinicians must consider the thickness of the buccal bony wall in the extraction site and the vertical as well as the horizontal positioning of the implant in the socket, because these factors will influence hard tissue changes during healing. © 2009 John Wiley & Sons A/S.en_HK
dc.languageengen_HK
dc.publisherWiley-Blackwell Publishing, Inc.. The Journal's web site is located at http://www.blackwellpublishing.com/journals/CLRen_HK
dc.relation.ispartofClinical Oral Implants Researchen_HK
dc.subject.meshAdulten_HK
dc.subject.meshAlveolar Process - anatomy & histology - surgeryen_HK
dc.subject.meshDental Implantation, Endosseous - methodsen_HK
dc.subject.meshDental Implants, Single-Toothen_HK
dc.subject.meshFemaleen_HK
dc.subject.meshHumansen_HK
dc.subject.meshMaleen_HK
dc.subject.meshMultivariate Analysisen_HK
dc.subject.meshTooth Extractionen_HK
dc.subject.meshTooth Socket - surgeryen_HK
dc.subject.meshTreatment Outcomeen_HK
dc.subject.meshWound Healingen_HK
dc.titleBone dimensional variations at implants placed in fresh extraction sockets: A multilevel multivariate analysisen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0905-7161&volume=21&spage=30&epage=36&date=2010&atitle=Bone+dimensional+variations+at+implants+placed+in+fresh+extraction+sockets:+a+multilevel+multivariate+analysisen_HK
dc.identifier.emailLang, NP:nplang@hkucc.hku.hken_HK
dc.identifier.authorityLang, NP=rp00031en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1111/j.1600-0501.2009.01848.xen_HK
dc.identifier.pmid20070744-
dc.identifier.scopuseid_2-s2.0-72949090580en_HK
dc.identifier.hkuros169092en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-72949090580&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume21en_HK
dc.identifier.issue1en_HK
dc.identifier.spage30en_HK
dc.identifier.epage36en_HK
dc.identifier.isiWOS:000272835900004-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridTomasi, C=8562464300en_HK
dc.identifier.scopusauthoridSanz, M=7201640876en_HK
dc.identifier.scopusauthoridCecchinato, D=6508390388en_HK
dc.identifier.scopusauthoridPjetursson, B=6506841442en_HK
dc.identifier.scopusauthoridFerrus, J=8589292400en_HK
dc.identifier.scopusauthoridLang, NP=7201577367en_HK
dc.identifier.scopusauthoridLindhe, J=7101988857en_HK
dc.identifier.citeulike6422456-

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