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J Dent Res. 2018 Oct 29:22034518808754. doi: 10.1177/0022034518808754. [Epub ahead of print]

Pulp Stem Cell-Mediated Functional Pulp Regeneration.

Sui B1,2, Chen C2, Kou X2,3, Li B1, Xuan K1, Shi S2,3, Jin Y1.

Author information

1
1 State Key Laboratory of Military Stomatology, Center for Tissue Engineering, School of Stomatology, Fourth Military Medical University, Xi'an, China.
2
2 Department of Anatomy and Cell Biology, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, USA.
3
3 Guanghua School of Stomatology, South China Center of Craniofacial Stem Cell Research, Sun Yat-sen University, Guangzhou, China.

Abstract

The preservation of vital dental pulp with vasculature and nerve components remains one of the most significant challenges in modern dentistry. Due to the immense potential for neurovascularization, mesenchymal stem cell (MSC) transplantation has shown emerging promise in regenerative medicine and dental translational practice. Actually, pulp mesenchymal stem cells, including postnatal dental pulp stem cells (from permanent teeth) and stem cells from human exfoliated deciduous teeth, possess unique properties based on their origins from neural crest or glial cells. Furthermore, they reside in a neurovascular niche and have the potential for neurogenesis, angiogenesis, and neurovascular inductive activity. According to current pulp regeneration strategies, pulp stem cell-mediated approaches to regeneration have demonstrated convincing evidence that they can rebuild the complex histologic structure of native pulp in situ with highly organized physiologic patterns or even achieve de novo regeneration of complete dental pulp tissues. More importantly, recent clinical studies emphasized in situ neurovascularization outcomes in successful regeneration of vitalized pulp via pulp stem cell transplantation. In this review, we summarize recent breakthroughs in pulp stem cell-mediated pulp regeneration, emphasizing the crucial achievement of neurovascularization. This functional pulp regeneration represents an innovative and promising approach for future regenerative endodontics.

KEYWORDS:

angiogenesis; dental pulp; endodontics; mesenchymal stromal cells; neurogenesis; regenerative medicine

PMID:
30372659
DOI:
10.1177/0022034518808754

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