J Oral Maxillofac Res. 2019 Sep 05;10(3):e7. doi: 10.5037/jomr.2019.10307. eCollection 2019.

Extraction Socket Preservation Using Growth Factors and Stem Cells: a Systematic Review.

Journal of oral & maxillofacial research

Mindaugas Pranskunas, Pablo Galindo-Moreno, Miguel Padial-Molina

PMID: 31620269 PMCID: PMC6788421 DOI: 10.5037/jomr.2019.10307

Abstract

OBJECTIVES: To evaluate the reported literature on the use of stem cells or growth factors for post extraction treatment of the alveolar bone.

MATERIAL AND METHODS: A NCBI PubMed and PubMed Central databases search was conducted between September 2010 and August 2018, to identify animal or clinical studies reporting the clinical, radiographical and/or histological outcomes of socket preservation techniques after applying mesenchymal stem cells or growth factors. Only studies published in English language in the last 10 years were included in the study.

RESULTS: Eleven studies were identified fulfilling the inclusion criteria. They evaluate a total of 386 post extraction sockets. The main tested materials identified in the current review were bone morphogenetic protein-2 - 3 studies and mesenchymal stem cells - 3 studies. Other comparators were bone morphogenetic protein-9, platelet-derived growth factor-BB homodimers and bone marrow. Overall evaluation indicate positive results for all test groups showing differences in final socket width between 0.64 and 1.28 mm favouring the test groups. Histologically, no particular differences are detected between test and control groups. Most of the studies present low risk of bias.

CONCLUSIONS: In general, the use of mesenchymal stem cells or bioactive osteogenic molecules favours bone regeneration after tooth extraction, as evaluated clinically, radiographically and histologically. However, specific differences that support particular recommendations are still unclear in light of the current published evidence. Future studies should include the standardization of the mesenchymal stem cells selection and purification as well as dosage and delivery methods of bioactive molecules.

Copyright © Pranskunas M, Galindo-Moreno P, Padial-Molina M. Published in the JOURNAL OF ORAL & MAXILLOFACIAL RESEARCH (http://www.ejomr.org), 5 September 2019.

Keywords: alveolar bone atrophy; alveolar bone grafting; bone remodeling; mesenchymal stem cells; stem cell transplantation; transforming growth factors

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