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Crestal Bone Loss and Oral Implants

Journal article
Authors Tomas Albrektsson
D. Buser
Lars Sennerby
Published in Clinical Implant Dentistry and Related Research
Volume 14
Issue 6
Pages 783-791
ISSN 1523-0899
Publication year 2012
Published at Institute of Odontology
Institute of Clinical Sciences, Department of Biomaterials
Pages 783-791
Language en
Keywords bone, crestal bone loss, implant, surface dental implants, follow-up, prevalence, survival, diseases, maxilla, tissue, NTISTRY3rd European Workshop on Periodontology, JAN 30-FEB 03, 1999, THURGAU, SWITZERLAND
Subject categories Dentistry


Background: A consensus meeting was arranged to critically analyze whether the high figures of peri-implantitis at machined implants that recently have been reported in the literature are valid also for modern implants. Purpose: The aims of this paper were to present the outcomes from the consensus meeting and to evaluate recent long-term clinical studies on modern implants with regard to frequency of peri-implant infection. Materials and Methods: Ten different studies of three modern implant brands of moderately rough surfaces with 10-year or longer follow-up times were found through a PubMed and manual search. Results: It was concluded that bleeding on probing or probing depths are weak indicators of crestal bone loss (CBL); that CBL occurs for many other reasons than infection; that implant-, clinician-, and patient-related factors contribute to CBL; and that modern oral implants outperform older devices. Based on a literature search, the frequency of implants with reported peri-implant infection and significant bone loss leading to implant removal or other surgical intervention was on average 2.7% during 7 to 16 years of function. Conclusion: The summed frequency of peri-implantitis and implant failure is commonly less than 5% over 10 years of follow-up for modern implants when using established protocols.

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