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An Official Publication of the Indian Association of Oral and Maxillofacial Pathologists


 
ORIGINAL ARTICLE Table of Contents   
Year : 2019  |  Volume : 23  |  Issue : 2  |  Page : 208-212
Evaluation of bone formation using recombinant human bone morphogenetic proteins-7 in small maxillofacial bony defects


1 Department of Oral and Maxillofacial Surgery, King George Medical University, Lucknow, Uttar Pradesh, India
2 Department of Health Research-Multidisciplinary Research Unit, King George Medical University, Lucknow, Uttar Pradesh, India

Correspondence Address:
Divya Mehrotra
Department of Oral and Maxillofacial Surgery, King George Medical University, Lucknow - 226 003, Uttar Pradesh
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jomfp.JOMFP_292_18

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Context: Bone morphogenetic proteins (BMP) are multifunctional molecules of transforming growth factor-β superfamily that induces the differentiation of fibroblasts into osteoblasts to form bone. Aims: This study was undertaken to evaluate the effects of recombinant human BMP-7 (rhBMP-7) in bone healing of small maxillofacial bone defects and assess the serum levels of osteopontin (OPN) and receptor activator of nuclear factor kappa-B ligand (RANKL) biomarkers for bone remodeling. Materials and Methods: Twenty patients with small maxillofacial bony defects were enrolled in this study and randomly allocated to two groups; wherein after apicoectomy of the involved teeth, the control group had defect filled with collagen sponge only while the experimental group had rhBMP-7 impregnated collagen sponge placed in the defect. Results: The clinical parameters showed no significant difference between the two groups (P > 0.05). The radiographic parameters showed a significantly slower rate of reduction in bone defect volume (P < 0.01) in control group than the experimental group when followed at 2, 4 and 24 postoperative weeks. RANKL and OPN serum levels showed no significant changes in pre- and post-operative stage. Conclusion: This study confirms that rhBMP-7 in collagen definitely accelerates bone healing in maxillofacial bone defects and minimizes postoperative complications. RANKL and OPN biomarkers in serum may not show bone remodeling, hence tissue samples may be used to assess their levels.


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Journal of Oral and Maxillofacial Pathology | Published by Wolters Kluwer - Medknow
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