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Article: Effect of implant design on survival and success rates of titanium oral implants: A 10-year prospective cohort study of the ITI® Dental Implant System

TitleEffect of implant design on survival and success rates of titanium oral implants: A 10-year prospective cohort study of the ITI® Dental Implant System
Authors
Issue Date2004
PublisherWiley-Blackwell Publishing, Inc.. The Journal's web site is located at http://www.blackwellpublishing.com/journals/CLR
Citation
Clinical Oral Implants Research, 2004, v. 15 n. 1, p. 8-17 How to Cite?
AbstractAim: The aim of this 10-year study (observation time 8-12 years, mean: 10 years) was to compare the survival rates, success rates and incidences of biological complications using three different implant designs of the ITI® Dental Implant System. Material and methods: In 89 dental patients treated comprehensively, a total of 112 hollow screw (HS), 49 hollow cylinder (HC) and 18 angulated hollow cylinder (AHC) implants were installed depending on the available bone volume and according to prosthetic needs. One and 10 years after surgical placement, clinical and radiographic parameters were assessed. The incidences of peri-implantitis according to various thresholds were registered over 10 years of maintenance. Results: Success criteria at 10 years were set at: pocket probing depth (PPD) ≤ 5 mm, bleeding on probing (BoP)-, bone loss < 0.2 mm annually. The survival rate for HS was 95.4%, for HC 85.7% and for AHC 91.7%. Ninety percent of all the HS, 71% of the HC and 88% of the AHC did not present with an incidence of peri-implantitis over the 10 years, HC having significantly higher incidence of peri-implantitis than HS (P< 0.004). With the success criteria set above, a success rate for HS of 74%, for HC of 63% and for AHC of 61% was identified at 10 years. However, including a definition of PPD ≤ 6 mm, BoP - and bone loss < 0.2 mm annually for success, the rates for HS were 78%, for HC 65% and for AHC 67%, respectively. Basing success criteria purely on clinical parameters (without radiographic analysis), such as: PPD ≤ 5 mm and BoP-, the success rates increased to 90%, 76% and 89%, respectively. With PPD ≤ 6 mm and BoP - as success criteria chosen, the respective rates were 94%, 82% and 94% for HS, HC and AHC implants, respectively. Conclusions: A significantly higher survival rate as well as a significantly lower incidence of peri-implantitis was identified for hollow screw design ITI® Dental Implants after 10 years of service when compared to hollow cylinder design ITI® Dental Implants (95.4% vs. 85.7%; 10% vs. 29%). Depending on the setting of the threshold criteria for success, success rates are highly variable and hence, reporting of success rates with elaboration on the criteria set appears crucial for comparison of different studies.
Persistent Identifierhttp://hdl.handle.net/10722/154336
ISSN
2015 Impact Factor: 3.464
2015 SCImago Journal Rankings: 1.427
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorKaroussis, IKen_US
dc.contributor.authorBrägger, Uen_US
dc.contributor.authorSalvi, GEen_US
dc.contributor.authorBürgin, Wen_US
dc.contributor.authorLang, NPen_US
dc.date.accessioned2012-08-08T08:24:40Z-
dc.date.available2012-08-08T08:24:40Z-
dc.date.issued2004en_US
dc.identifier.citationClinical Oral Implants Research, 2004, v. 15 n. 1, p. 8-17en_US
dc.identifier.issn0905-7161en_US
dc.identifier.urihttp://hdl.handle.net/10722/154336-
dc.description.abstractAim: The aim of this 10-year study (observation time 8-12 years, mean: 10 years) was to compare the survival rates, success rates and incidences of biological complications using three different implant designs of the ITI® Dental Implant System. Material and methods: In 89 dental patients treated comprehensively, a total of 112 hollow screw (HS), 49 hollow cylinder (HC) and 18 angulated hollow cylinder (AHC) implants were installed depending on the available bone volume and according to prosthetic needs. One and 10 years after surgical placement, clinical and radiographic parameters were assessed. The incidences of peri-implantitis according to various thresholds were registered over 10 years of maintenance. Results: Success criteria at 10 years were set at: pocket probing depth (PPD) ≤ 5 mm, bleeding on probing (BoP)-, bone loss < 0.2 mm annually. The survival rate for HS was 95.4%, for HC 85.7% and for AHC 91.7%. Ninety percent of all the HS, 71% of the HC and 88% of the AHC did not present with an incidence of peri-implantitis over the 10 years, HC having significantly higher incidence of peri-implantitis than HS (P< 0.004). With the success criteria set above, a success rate for HS of 74%, for HC of 63% and for AHC of 61% was identified at 10 years. However, including a definition of PPD ≤ 6 mm, BoP - and bone loss < 0.2 mm annually for success, the rates for HS were 78%, for HC 65% and for AHC 67%, respectively. Basing success criteria purely on clinical parameters (without radiographic analysis), such as: PPD ≤ 5 mm and BoP-, the success rates increased to 90%, 76% and 89%, respectively. With PPD ≤ 6 mm and BoP - as success criteria chosen, the respective rates were 94%, 82% and 94% for HS, HC and AHC implants, respectively. Conclusions: A significantly higher survival rate as well as a significantly lower incidence of peri-implantitis was identified for hollow screw design ITI® Dental Implants after 10 years of service when compared to hollow cylinder design ITI® Dental Implants (95.4% vs. 85.7%; 10% vs. 29%). Depending on the setting of the threshold criteria for success, success rates are highly variable and hence, reporting of success rates with elaboration on the criteria set appears crucial for comparison of different studies.en_US
dc.languageengen_US
dc.publisherWiley-Blackwell Publishing, Inc.. The Journal's web site is located at http://www.blackwellpublishing.com/journals/CLRen_US
dc.relation.ispartofClinical Oral Implants Researchen_US
dc.subject.meshAdulten_US
dc.subject.meshAgeden_US
dc.subject.meshAlveolar Bone Loss - Etiology - Radiographyen_US
dc.subject.meshDental Implantation, Endosseous - Adverse Effectsen_US
dc.subject.meshDental Implants - Adverse Effectsen_US
dc.subject.meshDental Prosthesis Designen_US
dc.subject.meshDental Prosthesis Retentionen_US
dc.subject.meshDental Restoration Failureen_US
dc.subject.meshFemaleen_US
dc.subject.meshFollow-Up Studiesen_US
dc.subject.meshHumansen_US
dc.subject.meshLife Tablesen_US
dc.subject.meshMaleen_US
dc.subject.meshMiddle Ageden_US
dc.subject.meshPeriodontitis - Etiologyen_US
dc.subject.meshProspective Studiesen_US
dc.subject.meshStatistics, Nonparametricen_US
dc.subject.meshSurvival Analysisen_US
dc.titleEffect of implant design on survival and success rates of titanium oral implants: A 10-year prospective cohort study of the ITI® Dental Implant Systemen_US
dc.typeArticleen_US
dc.identifier.emailLang, NP:nplang@hkucc.hku.hken_US
dc.identifier.authorityLang, NP=rp00031en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1111/j.1600-0501.2004.00983.xen_US
dc.identifier.pmid14731173-
dc.identifier.scopuseid_2-s2.0-2142653009en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-2142653009&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume15en_US
dc.identifier.issue1en_US
dc.identifier.spage8en_US
dc.identifier.epage17en_US
dc.identifier.isiWOS:000188305800002-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridKaroussis, IK=6603174242en_US
dc.identifier.scopusauthoridBrägger, U=7005538598en_US
dc.identifier.scopusauthoridSalvi, GE=35600695300en_US
dc.identifier.scopusauthoridBürgin, W=7003413848en_US
dc.identifier.scopusauthoridLang, NP=7201577367en_US

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