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Article: Survival and failure rates of orthodontic temporary anchorage devices: A systematic review

TitleSurvival and failure rates of orthodontic temporary anchorage devices: A systematic review
Authors
Issue Date2009
PublisherWiley-Blackwell Publishing, Inc.. The Journal's web site is located at http://www.blackwellpublishing.com/journals/CLR
Citation
Clinical Oral Implants Research, 2009, v. 20 n. 12, p. 1351-1359 How to Cite?
AbstractAim: The purpose of this study was to systematically review the literature on the survival rates of palatal implants, Onplants®, miniplates and mini screws. Material and methods: An electronic MEDLINE search supplemented by manual searching was conducted to identify randomized clinical trials, prospective and retrospective cohort studies on palatal implants, Onplants ®, miniplates and miniscrews with a mean follow-up time of at least 12 weeks and of at least 10 units per modality having been examined clinically at a follow-up visit. Assessment of studies and data abstraction was performed independently by two reviewers. Reported failures of used devices were analyzed using random-effects Poisson regression models to obtain summary estimates and 95% confidence intervals (CI) of failure and survival proportions. Results: The search up to January 2009 provided 390 titles and 71 abstracts with full-text analysis of 34 articles, yielding 27 studies that met the inclusion criteria. In meta-analysis, the failure rate for Onplants ® was 17.2% (95% CI: 5.9-35.8%), 10.5% for palatal implants (95% CI: 6.1-18.1%), 16.4% for miniscrews (95% CI: 13.4-20.1%) and 7.3% for miniplates (95% CI: 5.4-9.9%). Miniplates and palatal implants, representing torque-resisting temporary anchorage devices (TADs), when grouped together, showed a 1.92-fold (95% CI: 1.06-2.78) lower clinical failure rate than miniscrews. Conclusion: Based on the available evidence in the literature, palatal implants and miniplates showed comparable survival rates of ≥90% over a period of at least 12 weeks, and yielded superior survival than miniscrews. Palatal implants and miniplates for temporary anchorage provide reliable absolute orthodontic anchorage. If the intended orthodontic treatment would require multiple miniscrew placement to provide adequate anchorage, the reliability of such systems is questionable. For patients who are undergoing extensive orthodontic treatment, force vectors may need to be varied or the roots of the teeth to be moved may need to slide past the anchors. In this context, palatal implants or miniplates should be the TADs of choice. © 2009 John Wiley & Sons A/S.
Persistent Identifierhttp://hdl.handle.net/10722/66841
ISSN
2015 Impact Factor: 3.464
2015 SCImago Journal Rankings: 1.427
ISI Accession Number ID
Funding AgencyGrant Number
Clinical Research Foundation for the Promotion of Oral Health, Brienz, Switzerland
Funding Information:

This study has been supported by the Clinical Research Foundation for the Promotion of Oral Health, Brienz, Switzerland. The authors acknowledge the continuous support of Prof. Odont. Riitta Suuronen, REGA Institute for Regenerative Medicine, University of Tampere, Finland, and Prof. Dr Timo Peltomaki, University of Zurich, School of Dental and Oral Medicine. Likewise, the stimulating encouragement of Prof. Dr Urban Hagg and Prof. A. Bakr M. Rabie, The University of Hong Kong, is highly appreciated.

References

 

DC FieldValueLanguage
dc.contributor.authorSchätzle, Men_HK
dc.contributor.authorMännchen, Ren_HK
dc.contributor.authorZwahlen, Men_HK
dc.contributor.authorLang, NPen_HK
dc.date.accessioned2010-09-06T05:49:48Z-
dc.date.available2010-09-06T05:49:48Z-
dc.date.issued2009en_HK
dc.identifier.citationClinical Oral Implants Research, 2009, v. 20 n. 12, p. 1351-1359en_HK
dc.identifier.issn0905-7161en_HK
dc.identifier.urihttp://hdl.handle.net/10722/66841-
dc.description.abstractAim: The purpose of this study was to systematically review the literature on the survival rates of palatal implants, Onplants®, miniplates and mini screws. Material and methods: An electronic MEDLINE search supplemented by manual searching was conducted to identify randomized clinical trials, prospective and retrospective cohort studies on palatal implants, Onplants ®, miniplates and miniscrews with a mean follow-up time of at least 12 weeks and of at least 10 units per modality having been examined clinically at a follow-up visit. Assessment of studies and data abstraction was performed independently by two reviewers. Reported failures of used devices were analyzed using random-effects Poisson regression models to obtain summary estimates and 95% confidence intervals (CI) of failure and survival proportions. Results: The search up to January 2009 provided 390 titles and 71 abstracts with full-text analysis of 34 articles, yielding 27 studies that met the inclusion criteria. In meta-analysis, the failure rate for Onplants ® was 17.2% (95% CI: 5.9-35.8%), 10.5% for palatal implants (95% CI: 6.1-18.1%), 16.4% for miniscrews (95% CI: 13.4-20.1%) and 7.3% for miniplates (95% CI: 5.4-9.9%). Miniplates and palatal implants, representing torque-resisting temporary anchorage devices (TADs), when grouped together, showed a 1.92-fold (95% CI: 1.06-2.78) lower clinical failure rate than miniscrews. Conclusion: Based on the available evidence in the literature, palatal implants and miniplates showed comparable survival rates of ≥90% over a period of at least 12 weeks, and yielded superior survival than miniscrews. Palatal implants and miniplates for temporary anchorage provide reliable absolute orthodontic anchorage. If the intended orthodontic treatment would require multiple miniscrew placement to provide adequate anchorage, the reliability of such systems is questionable. For patients who are undergoing extensive orthodontic treatment, force vectors may need to be varied or the roots of the teeth to be moved may need to slide past the anchors. In this context, palatal implants or miniplates should be the TADs of choice. © 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.meshConfidence Intervalsen_HK
dc.subject.meshDental Prosthesis Designen_HK
dc.subject.meshDental Prosthesis, Implant-Supported - instrumentationen_HK
dc.subject.meshDental Restoration Failureen_HK
dc.subject.meshHumansen_HK
dc.subject.meshOrthodontic Anchorage Procedures - instrumentationen_HK
dc.subject.meshPoisson Distributionen_HK
dc.subject.meshSurvival Rateen_HK
dc.subject.meshTime Factorsen_HK
dc.titleSurvival and failure rates of orthodontic temporary anchorage devices: A systematic reviewen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0905-7161&volume=20&spage=1351&epage=1359&date=2009&atitle=Survival+and+failure+rates+of+orthodontic+temporary+anchorage+devices:+a+systematic+reviewen_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.1600-0501.2009.01754.xen_HK
dc.identifier.pmid19793320-
dc.identifier.scopuseid_2-s2.0-70449346220en_HK
dc.identifier.hkuros169068en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-70449346220&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume20en_HK
dc.identifier.issue12en_HK
dc.identifier.spage1351en_HK
dc.identifier.epage1359en_HK
dc.identifier.isiWOS:000271629000008-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridSchätzle, M=6602163648en_HK
dc.identifier.scopusauthoridMännchen, R=6506137819en_HK
dc.identifier.scopusauthoridZwahlen, M=7004748418en_HK
dc.identifier.scopusauthoridLang, NP=7201577367en_HK
dc.identifier.citeulike6206828-

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