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Molecular, Cellular and Pharmaceutical Aspects of Autologous Grafts for Peri-implant Hard and Soft Tissue Defects

Jiayu Lu, Yongming Hao, Wei Zhao, Chengqi Lyu, Derong Zou
Current Pharmaceutical Biotechnology 2017, 18 (1): 85-94
27915981
The lack of supporting hard and soft tissues always prevents the rehabilitation with dental implants. Among various hard and soft tissue augmentation procedures, autologous grafts have been considered to be the gold standard. Autologous mesenchymal stem cells (MSCs) from bone marrow, dental tissue and adipose tissue have been described as promising alternatives for bone regeneration in the field of dental implantation. Mucosal cells, gingival fibroblasts and dental progenitor cells (DPS) can enhance peri-implant soft tissue augmentation and regenerate periodontal tissues around dental implants. Obtained from patients, platelet-rich plasma (PRP) and platelet-rich fibrin (PRF) are enriched in autologous platelets, which contain a great deal of growth factors and cytokines that are conducive to the regeneration of both hand and soft tissues around dental implants. Pharmaceutical treatments for osteoporosis and diabetes should be locally applied with implant procedures to restrict the resorption of autologous bone grafts and reduction of bone volume. Although autografts hold great potentials for dental implants, new approaches should also be explored with minimally invasion donor sites methods such as tissue engineering combined with autologous three factors and bio-3D printing involving selfassembling cell aggregates.

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