Immediate Dentoalveolar Restoration Technique (IDR). Autograft characterization and a case report


Published: 31 October 2017
Abstract Views: 1286
pdf: 3635
HTML: 151
Publisher's note
All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article or claim that may be made by its manufacturer is not guaranteed or endorsed by the publisher.

Authors

  • W. Martins Junior Department of Periodontology, University of Ribeirao Preto, Ribeirão Preto, SP, Brazil, Brazil.
  • E. Prado Ferraz Department of Oral and Maxillofacial Surgery and Periodontology, School of Dentistry of Ribeirao Preto, University of Sao Paulo, Ribeirao Preto, SP, Brazil, Brazil.
  • M. Mateus Beloti Department of Oral and Maxillofacial Surgery and Periodontology, School of Dentistry of Ribeirao Preto, University of Sao Paulo, Ribeirao Preto, SP, Brazil, Brazil.
  • A. Luiz Rosa Department of Oral and Maxillofacial Surgery and Periodontology, School of Dentistry of Ribeirao Preto, University of Sao Paulo, Ribeirao Preto, SP, Brazil, Brazil.
  • J. C. Martins da Rosa Department of Implantology, São Leopoldo Mandic Dental Research Center, Campinas, SP, Brazil, Brazil.

Case report We present a case of implant rehabilitation using the immediate dentoalveolar restoration (IDR) technique where the bone walls are reconstructed by a bone graft harvested from the maxillary tuberosity. In addition, we performed cellular and molecular evaluations of osteoblastic cells harvested from maxillary tuberosity as: cell proliferation, alkaline phosphatase activity, extracellular matrix mineralization and gene expression of osteoblastic markers. Three maxillary tuberosities were reconstructed using microtomography and qualitative-quantitative analyses were performed. Clinical and tomographic evidences showed that IDR is a feasible technique that allows in only one session the full reconstruction of alveolar socket, placement of dental implant and provisionalization. Cell proliferation increased over time and cell displayed alkaline phosphatase (ALP) activity, extracellular mineralized matrix and gene expression of all evaluated bone markers (ALP, RUNX2, bone sialoprotein, osteopontin, osteocalcin and distal-less homeobox 5), ratifying the osteogenic potential of the tuberosity cells. Micro-CT analysis showed the maxillary tuberosity as a highly porous structure surrounded by a thin cortical that resembles a mechanical barrier. These cellular, molecular and tomographic features indicate that the maxillary tuberosity is a source of osteoblastic cells and acts as a natural scaffold, supporting the excellent functional and aesthetic results of IDR technique.


Martins Junior, W., Prado Ferraz, E., Mateus Beloti, M., Luiz Rosa, A., & Martins da Rosa, J. C. (2017). Immediate Dentoalveolar Restoration Technique (IDR). Autograft characterization and a case report. Journal of Osseointegration, 9(3), 305–309. https://doi.org/10.23805/jo.2017.09.03.06

Downloads

Download data is not yet available.

Citations