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de Moraes PH, Olate S, Lauria A, et al. 8-10 year follow-up survival of dental implants in maxillae with or without autogenous bone graft reconstruction. Int J Clin Exp Med. 2015;8(10):19282-9
de Moraes, P. H., Olate, S., Lauria, A., Asprino, L., de Moraes, M., & de Albergaria-Barbosa, J. R. (2015). 8-10 year follow-up survival of dental implants in maxillae with or without autogenous bone graft reconstruction. International journal of clinical and experimental medicine, 8(10), 19282-9.
de Moraes, Paulo H, et al. "8-10 year follow-up survival of dental implants in maxillae with or without autogenous bone graft reconstruction." International journal of clinical and experimental medicine vol. 8,10 (2015): 19282-9.
de Moraes PH, Olate S, Lauria A, Asprino L, de Moraes M, de Albergaria-Barbosa JR. 8-10 year follow-up survival of dental implants in maxillae with or without autogenous bone graft reconstruction. Int J Clin Exp Med. 2015 Oct 15;8(10):19282-9. eCollection 2015. PMID: 26770565; PMCID: PMC4694465.
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Int J Clin Exp Med. 2015 Oct 15;8(10):19282-9. eCollection 2015.

8-10 year follow-up survival of dental implants in maxillae with or without autogenous bone graft reconstruction.

International journal of clinical and experimental medicine

Paulo H de Moraes, Sergio Olate, Andrezza Lauria, Luciana Asprino, Márcio de Moraes, José Ricardo de Albergaria-Barbosa

Affiliations

  1. Division of Oral and Maxillofacial Surgery, State University of Campinas Brazil.
  2. Department of Oral and Maxillofacial Surgery, Universidad de La FronteraChile; Center for Biomedical Research, Universidad Autónoma de ChileChile.

PMID: 26770565 PMCID: PMC4694465

Abstract

The aim of this research was to ascertain the survival of implants installed in the atrophic maxillae of patients treated with or without autogenous bone graft at 8 to 10 years of follow-up. A retrospective study was conducted using clinical and imaging analysis. 42 adult patients were selected, treated with osseointegrated implants in a fixed maxillary prosthesis model with suprastructure using 6 to 8 implants; of these, 22 underwent reconstruction with a bone graft taken from the anterior iliac crest and 20 were treated without any type of bone graft. The sequence of removal, installation and management of the grafts followed routine patterns, and the implant installation and prosthesis preparation also followed parameters established in previous publications. Variables of implant survival, stage of loss and bone stability of the implants were analyzed with the Wilcoxon signed-rank test, considering a value of P<0.05 to obtain statistical significance. After 8 to 10 years of follow-up the 306 implants installed in the 42 patients were evaluated. 162 implants were in the bone graft group, where 8.0% of implants were lost in the pre-loading stage, 3.7% in the post-loading stage and 88.7% had complete survival. In the group without bone graft, 6.17% were lost in the pre-loading stage, 1.85% in the post-loading stage and 90.97% had complete survival. There was no significant difference in the survival of the implants between the two groups (P=0.082). Cervical bone loss between the groups showed no significant differences either (P=0.241). The implants in grafted maxillae with cases of severe maxillary atrophy are just as efficient as implants installed in maxillae without bone graft.

Keywords: Autogenous bone graft; implant survival; maxillary reconstruction

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