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Article: A systematic review on survival and success rates of implants placed immediately into fresh extraction sockets after at least 1 year

TitleA systematic review on survival and success rates of implants placed immediately into fresh extraction sockets after at least 1 year
Authors
KeywordsExtraction sockets
Immediate implants
Implant dentistry
Success
Survival
Systematic review
Issue Date2012
PublisherWiley-Blackwell Publishing, Inc.. The Journal's web site is located at http://www.blackwellpublishing.com/journals/CLR
Citation
Clinical Oral Implants Research, 2012, v. 23 suppl. 5, p. 39-66 How to Cite?
AbstractBACKGROUND: Type I immediate implant placement has gained popularity because it may reduce treatment time, number of surgeries and post-extraction bone loss. However, this is potentially challenged by inadequate keratinized mucosa for flap adaptation and difficulties in achieving primary stability. Moreover, it has been proven that post-extraction bone loss is an inevitable biological process, which affects treatment outcomes. OBJECTIVES: To estimate survival and success rates of implants and the implant-supported prostheses, the prevalence of biological, technical and aesthetic complications, and the magnitude of soft and hard tissue changes following implant placement immediately into fresh extraction sockets. MATERIAL AND METHODS: An electronic search in MEDLINE (PubMed) and the Cochrane Library from 1991 to July 2010 was performed to include prospective studies on immediate implants with a mean follow-up time of at least 1 year. The survival rates were computed using the STATA statistical software. Weighted means of soft and hard tissue changes were obtained by the inverse variance method. RESULTS: A total of 46 prospective studies, with a mean follow-up time of 2.08 years, were included. The annual failure rate of immediate implants was 0.82% (95% CI: 0.48-1.39%), translating into the 2-year survival rate of 98.4% (97.3-99%). Among the five factors analysed (reasons for extraction, antibiotic use, position of implant [anterior vs. posterior, maxilla vs. mandible), type of loading], only the regimen of antibiotic use affected the survival rate significantly. Lower failure rates were found in groups that were provided with a course of post-operative antibiotics. The success of implant therapy was difficult to assess due to scarce reporting on biological, technical and aesthetic complications. Soft tissue changes occurred mostly in the first 3 months after the provision of restoration, and then stabilized towards end of the first year. Marginal bone loss predominantly took place in the first year after implant placement, with a magnitude generally less than 1 mm. Controversy on hard tissue preservation with platform-switching technique remained unsolved. CONCLUSIONS: Despite the high survival rate observed, more long-term studies are necessary to determine the success of implant treatment provided immediately after tooth extraction. Special attention has to be given to aesthetic outcomes.
Persistent Identifierhttp://hdl.handle.net/10722/145504
ISSN
2023 Impact Factor: 4.8
2023 SCImago Journal Rankings: 1.865
ISI Accession Number ID
Funding AgencyGrant Number
Osteology Foundation, Luzerne, Switzerland
Clinical Research Foundation (CRF) for the promotion of oral health, Brienz, Switzerland
Funding Information:

This systematic review was supported by an educational grant of the Osteology Foundation, Luzerne, Switzerland, and the Clinical Research Foundation (CRF) for the promotion of oral health, Brienz, Switzerland. The valuable contributions of Drs M. Lulic and W. C. Tan are highly appreciated.

 

DC FieldValueLanguage
dc.contributor.authorLang, NPen_US
dc.contributor.authorPun, LBen_US
dc.contributor.authorLau, KYen_US
dc.contributor.authorLi, KYen_US
dc.contributor.authorWong, MCMen_US
dc.date.accessioned2012-02-28T01:52:57Z-
dc.date.available2012-02-28T01:52:57Z-
dc.date.issued2012en_US
dc.identifier.citationClinical Oral Implants Research, 2012, v. 23 suppl. 5, p. 39-66en_US
dc.identifier.issn0905-7161en_US
dc.identifier.urihttp://hdl.handle.net/10722/145504-
dc.description.abstractBACKGROUND: Type I immediate implant placement has gained popularity because it may reduce treatment time, number of surgeries and post-extraction bone loss. However, this is potentially challenged by inadequate keratinized mucosa for flap adaptation and difficulties in achieving primary stability. Moreover, it has been proven that post-extraction bone loss is an inevitable biological process, which affects treatment outcomes. OBJECTIVES: To estimate survival and success rates of implants and the implant-supported prostheses, the prevalence of biological, technical and aesthetic complications, and the magnitude of soft and hard tissue changes following implant placement immediately into fresh extraction sockets. MATERIAL AND METHODS: An electronic search in MEDLINE (PubMed) and the Cochrane Library from 1991 to July 2010 was performed to include prospective studies on immediate implants with a mean follow-up time of at least 1 year. The survival rates were computed using the STATA statistical software. Weighted means of soft and hard tissue changes were obtained by the inverse variance method. RESULTS: A total of 46 prospective studies, with a mean follow-up time of 2.08 years, were included. The annual failure rate of immediate implants was 0.82% (95% CI: 0.48-1.39%), translating into the 2-year survival rate of 98.4% (97.3-99%). Among the five factors analysed (reasons for extraction, antibiotic use, position of implant [anterior vs. posterior, maxilla vs. mandible), type of loading], only the regimen of antibiotic use affected the survival rate significantly. Lower failure rates were found in groups that were provided with a course of post-operative antibiotics. The success of implant therapy was difficult to assess due to scarce reporting on biological, technical and aesthetic complications. Soft tissue changes occurred mostly in the first 3 months after the provision of restoration, and then stabilized towards end of the first year. Marginal bone loss predominantly took place in the first year after implant placement, with a magnitude generally less than 1 mm. Controversy on hard tissue preservation with platform-switching technique remained unsolved. CONCLUSIONS: Despite the high survival rate observed, more long-term studies are necessary to determine the success of implant treatment provided immediately after tooth extraction. Special attention has to be given to aesthetic outcomes.-
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.rightsThe definitive version is available at www3.interscience.wiley.comen_US
dc.subjectExtraction sockets-
dc.subjectImmediate implants-
dc.subjectImplant dentistry-
dc.subjectSuccess-
dc.subjectSurvival-
dc.subjectSystematic review-
dc.subject.meshDental Implantation, Endosseous - methods-
dc.subject.meshDental Implants-
dc.subject.meshDental Restoration Failure-
dc.subject.meshTooth Extraction-
dc.subject.meshTooth Socket - surgery-
dc.titleA systematic review on survival and success rates of implants placed immediately into fresh extraction sockets after at least 1 yearen_US
dc.typeArticleen_US
dc.identifier.emailLang, NP: nplang@hkucc.hku.hken_US
dc.identifier.emailLau, KY: iriskylau@hotmail.comen_US
dc.identifier.emailLi, KY: likaryan@graduate.hku.hken_US
dc.identifier.emailWong, MCM: mcmwong@hkucc.hku.hk-
dc.identifier.authorityLang, NP=rp00031en_US
dc.identifier.authorityWong, MCM=rp00024en_US
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1111/j.1600-0501.2011.02372.x-
dc.identifier.pmid22211305-
dc.identifier.scopuseid_2-s2.0-84855225599-
dc.identifier.hkuros198612en_US
dc.identifier.volume23en_US
dc.identifier.issuesuppl. 5-
dc.identifier.spage39en_US
dc.identifier.epage66en_US
dc.identifier.isiWOS:000298600900004-
dc.publisher.placeUnited States-
dc.identifier.issnl0905-7161-

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