Peter Fairbairn (1) and Minas Leventis (2)

(1) Department of Periodontology and Implant Dentistry, School of Dentistry, University of Detroit Mercy, 2700 Martin Luther King Jr. Boulevard, Detroit, MI 48208, USA

(2) Department of Oral and Maxillofacial Surgery, Dental School, University of Athens, 2Thivon Street, Goudi, 115 27 Athens, Greece

Correspondence should be addressed to Peter Fairbairn; peterdent66@aol.com

Received 8 September 2015; Revised 10 November 2015; Accepted 11 November 2015

Academic Editor: Ali I. Abdalla

Copyright © 2015 P. Fairbairn and M. Leventis.This is an open access article distributed under the Creative Commons Attribution
License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly
cited.

Purpose. To present a novel protocol for alveolar bone regeneration in parallel to early implant placement. Methods. 497 patients in need of extraction and early implant placement with simultaneous bone augmentation were treated in a period of 10 years. In all
patients the same specific method was followed and grafting was performed utilizing in situ hardening fully resorbable alloplastic
grafting materials consisting of ?-tricalcium phosphate and calcium sulfate. The protocol involved atraumatic extraction, implant
placement after 4 weeks with simultaneous bone augmentation, and loading of the implant 12 weeks after placement and grafting.
Follow-up periods ranged from 6months to 10 years (mean of 4 years). Results. A total of 601 postextraction sites were rehabilitated in 497 patients utilizing the novel protocol.Three implants failed before loading and three implants failed one year after loading, leaving an overall survival rate of 99.0%. Conclusions. This standardized protocol allows successful long-term functional results regarding alveolar bone regeneration and implant rehabilitation. The concept of placing the implant 4 weeks after extraction, augmenting the bone around the implant utilizing fully resorbable, biomechanically stable, alloplastic materials, and loading the implant at 12 weeks seems to offer advantages when compared with traditional treatment modalities.

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