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Application of a Collagen Scaffold Saturated With Platelet-Rich Plasma in Prevention of Bisphosphonate-Related Osteonecrosis of the Jaw in the Rat Animal Model Publisher



Razmara F1, 2 ; Bayat M1, 2 ; Shirian S3, 4, 5 ; Shabankare G1 ; Mohamadnia A6, 7 ; Mortazavi M8 ; Alijani MR3 ; Bahrami N1, 9
Authors
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Authors Affiliations
  1. 1. Craniomaxillofacial Research Center, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Oral and Maxillofacial Surgery Department, School of Dentistry, Tehran University of Medical Sciences, International Campus, Tehran, Iran
  3. 3. Department of Pathology, School of Veterinary Medicine, Shahrekord University, Shahrekord, Iran
  4. 4. Shiraz Molecular Pathology Research Center, Dr Daneshbod Pathol Lab, Shiraz, Iran
  5. 5. Shefa Neuroscience Research Center, Khatam Alanbia Hospital, Tehran, Iran
  6. 6. Chronic Respiratory Diseases Research Center, National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
  7. 7. Department of Biotechnology, School of Advanced Technologies in Medicine, Shahid Bheshti University of Medical Sciences, Tehran, Iran
  8. 8. Department of Oral and Maxillofacial Surgery, School of Dentistry, Alborz University of Medical Science, Karaj, Iran
  9. 9. Department of Tissue Engineering, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran

Source: Heliyon Published:2021


Abstract

Background: Among the myriad adverse events of drugs in the oral cavity, Bisphosphonate-related osteonecrosis of the jaw (BRONJ) is one of the most detrimental drug reactions that have ever been known. Objective: This study was aimed to investigate the success of applying collagen scaffold alone and platelet-rich plasma (PRP)+collagen scaffold in prevention of zoledronic acid-induced BRONJ in the rat. Methods: A total of 17 male Wistar-rats were treated with 4 weekly doses of zoledronic acid. All rats were undergone bilateral tooth extraction of mandibular first molars and divided into three groups of scaffold + PRP + suture, scaffold + suture, and suture only. All rats were scarified and clinical, radiological, histological and histomorphomerical evaluations were made on week 8 post-treatment. The soft tissue healing, bone mineralized density (BMD), number of osteoclasts and osteoblasts, necrotic bone (NB), intensity of inflammation and new bone formation (NBF) were analyzed. Results: BMD, number of osteoblasts and NBF variables proved to be statistically were higher in the treatment groups than the control group. In addition, the PRP + scaffold group showed the better results in terms of BMD, number of osteoblasts and NBF than that of the scaffold alone group. Number of osteoclasts, inflammation intensity and osteonecrosis were also significantly different in the PRP + scaffold group compared to the scaffold alone and the control groups. Conclusion: Application of a PRP-enriched collagen scaffold appeared to be a successful preventive treatment for BRONJ by effecting of the number of osteoblasts and osteoclasts, BMD, NBF, inflammation, and osteonecrosis. © 2021
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