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Journal of Dentistry, Shiraz University of Medical Sciences، جلد ۱۲، شماره ۱، صفحات ۱-۰
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عنوان انگلیسی The Effect of Platelet-rich Plasma (PRP) and Bio-oss on Bone Regeneration in Furcation Class II Defects: A Histologic and Histomorphometric Study in Dogs
چکیده انگلیسی مقاله Statement of Problem: Periodontal regeneration in the furcation defect is considered as one of the most challenging aspects of periodontal therapy. Among different approaches, GTR has shown promising biologic and clinical results. There is evidence indicating that the use of platelet-rich plasma (PRP) may improve the outcome of regenerative periodontal therapy. Purpose: This study aimed to examine the effect of the combination of PRP and Bio-oss on bone regeneration in class II furcation defects in dogs. Materials and Method: 48 experimental defects with 5 mm horizontal and 5 mm vertical open probing depth were created in furcation areas of each premolar of dogs. The defects were randomly divided in to 3 groups: test group in which the defects were grafted with bio-oss and PRP; control group in which the defects were grafted with bio-oss alone; and negative control group in which no graft was used. A n ab sorbable collagen membrane was placed over each defect site and the flaps were sutured. The animals were sacrificed 3 months later and biopsy samples were taken from the defect sites for histologic and histomorphometric assessment. In each section , the area fractions (%) within the bone specimens occupied by newly formed bone, soft tissue, and residual grafting particles were determined. The data were analyzed statistically using Student's t test through SPSS software (version 13.0). Results: The bone fill was 61% in the test group, 58 % in the control group, and 39 % in the negative control group. Although no significant difference was observed between the test and control groups, the differences between the test and control groups with negative control group were significant ( p < 0.05). In the control group , the lamellar bone formation was higher and the chronic inflammatory infiltration was lower. Conclusion: Within the limitation s of this study, the use of bio-oss and PRP in the treatment of class II furcation involvement has no additional benefit over bio-oss alone. However, it seems that PRP can improve the quality of the new bone while decreasing the amount of tissue inflamation.
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نویسندگان مقاله m ابویی | m shahabuei
dept. of periodontics, school of dentistry, isfahan university of medical science, isfahan, iran periodontist dept. of orad and maxillofacial pathology, school of dentistry, shahid beheshti university of medical scinces, tehran, iran dept. of periodontics, schoolf of dentisry, kerman university of medical science, kerman, iran

سازمان اصلی تایید شده: دانشگاه شهید بهشتی (Shahid beheshti university)

e دباغ | e dabbagh
periodontist


m ادیب راد | m adibrad
dept. of periodontics, school of dentistry, isfahan university of medical science, isfahan, iran

سازمان اصلی تایید شده: دانشگاه اصفهان (Isfahan university)

s وزیری | s vaziri
periodontist


b اسلامی | b eslami
dept. of oral and maxillofacial pathology, school of dentistry, shahid beheshti university of medical scinces, tehran, iran

سازمان اصلی تایید شده: دانشگاه شهید بهشتی (Shahid beheshti university)

s کریمی افشار | s karimi afshar
dept. of periodontics, schoolf of dentisry, kerman university of medical science, kerman, iran
نشانی اینترنتی http://dentjods.sums.ac.ir/index.php/JDSUMS/article/view/126
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