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Effects of sustained release Platelet rich plasma on bone healing in critical size defect

SIMIN LI1, JIN ZHOU2, LIANGWEI GUO1,*

Affiliation

  1. Department of Periodontology, The Stomatology Affiliated Hospital of Harbin Medical University, 141 Y iman Street, Nangang District, Harbin 150001, China
  2. Department of Hematology, The First Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Nangang District, Harbin 150001, China

Abstract

The aim of this study was to investigate and compare the osteogenetic effects of different types of platelet rich plasma ( loaded alginate scaffolds on radius defects in rabbits. A critical size defect (15mm in length) was created in the mid upper part of the bilateral radius of 46 New Zealand White rabbits. The rabbits were suppl ied with PRP alginate beads (14 rabbits), PRP alginate capsules (14 rabbits), PRP gel (14 rabbits), or the defect was left untreated (4 rabbits). At 8 an d 12 weeks after implantation, radiographic and histological observations were performed to investigate the bone healing of the defect. The results showed that each material’s ability to produce new bone formation was arranged in the following order: PRP alginate beads PRP alginate capsules PRP gel, with significant differences between each material (P 0.01 ). PRP alginate beads could be a promising material capable of enhancing bone regeneration..

Keywords

Platelet rich plasma (PRP), Alginate, Sustained release carrier, Radius bone defect.

Citation

SIMIN LI, JIN ZHOU, LIANGWEI GUO, Effects of sustained release Platelet rich plasma on bone healing in critical size defect, Optoelectronics and Advanced Materials - Rapid Communications, 8, 9-10, September-October 2014, pp.968-974 (2014).

Submitted at: May 4, 2014

Accepted at: Sept. 11, 2014