Bone Quality and Quantity and Dental Implant Failure : A Systematic Review and Meta-analysis

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Bone Quality and Quantity and Dental Implant Failure : A Systematic Review and Meta-analysis

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Publication Article, peer reviewed scientific
Title Bone Quality and Quantity and Dental Implant Failure : A Systematic Review and Meta-analysis
Author Chrcanovic, Bruno ; Albrektsson, Tomas ; Wennerberg, Ann
Research Centre Biofilms - Research Center for Biointerfaces
Date 2017
English abstract
Purpose: The aim of this study was to test the null hypothesis that there is no difference in implant failure rates, marginal bone loss, and postoperative infection for implants inserted in bone with different qualities and quantities according to the classification of Lekholm and Zarb. Materials and Methods: An electronic search was undertaken in January 2015 for randomized and nonrandomized human clinical studies. Results: A total of 94 publications were included. When bone sites of different qualities were considered, the results suggested the following comparative implant failure rates: 1 > 2, 1 > 3, 3 > 2, 4 > 1, 4 > 2, and 4 > 3. Sensitivity analyses suggested that when implants inserted in bone qualities 1 and 2 and 1 and 3 were compared, oxidized and sandblasted/acid-etched surfaces showed a decrease in significant difference in failures compared with turned implants. The same is not true for failure of implants inserted in bone quality 4 compared to failure of implants in all other bone qualities. When bone sites of different quantities were considered, the following comparative implant failure rates were observed: A > B, A > C, A < D, B < C, B < D, C < D, E > A, E > B, E > C, E > D. Due to insufficient information, meta-analyses for the outcomes postoperative infection and marginal bone loss were not performed. Conclusion: Sites with poorer bone quality and lack of bone volume may statistically affect implant failure rates. Implant surfaces may play a role in failure of implants in different bone qualities.
DOI https://doi.org/10.11607/ijp.5142 (link to publisher's fulltext.)
Link http://www.quintpub.com/journals/ijp/abstract.php?... (external link to publication)
Publisher Quintessence Publishing
Host/Issue International Journal of Prosthodontics;
ISSN 0893-2174
Language eng (iso)
Subject Dental implants
Bone density
Bone quantity
Implant failure rate
Meta-analysis
Medicine
Research Subject Categories::ODONTOLOGY
Handle http://hdl.handle.net/2043/22477 Permalink to this page
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